Change in osmo-pcu[master]: WIP: Move FLOW tbf_state transition to tbf_fsm.

This is merely a historical archive of years 2008-2021, before the migration to mailman3.

A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/gerrit-log@lists.osmocom.org/.

pespin gerrit-no-reply at lists.osmocom.org
Thu Jul 22 18:26:21 UTC 2021 

pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-pcu/+/25012 )


Change subject: WIP: Move FLOW tbf_state transition to tbf_fsm.
......................................................................

WIP: Move FLOW tbf_state transition to tbf_fsm.

Related: OS#2709
Change-Id: Ia8c7de759c195d09263fb1f083fbf6cfa3087f8d
---
M src/pdch.cpp
M src/tbf.cpp
M src/tbf_fsm.c
M src/tbf_fsm.h
M tests/tbf/TbfTest.cpp
M tests/tbf/TbfTest.err
6 files changed, 317 insertions(+), 99 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-pcu refs/changes/12/25012/1

diff --git a/src/pdch.cpp b/src/pdch.cpp
index f53e155..b5622b4 100644
--- a/src/pdch.cpp
+++ b/src/pdch.cpp
@@ -368,15 +368,7 @@
 				tbf->direction == new_tbf->direction)
 			tbf_free(tbf);
 
-		if (new_tbf->state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH)) {
-			/* We now know that the PACCH really existed */
-			LOGPTBF(new_tbf, LOGL_INFO,
-				"The TBF has been confirmed on the PACCH, "
-				"changed type from CCCH to PACCH\n");
-			osmo_fsm_inst_dispatch(new_tbf->state_fsm.fi, TBF_EV_ASSIGN_DEL_CCCH, NULL);
-			osmo_fsm_inst_dispatch(new_tbf->state_fsm.fi, TBF_EV_ASSIGN_ADD_PACCH, NULL);
-		}
-		TBF_SET_STATE(new_tbf, TBF_ST_FLOW);
+		osmo_fsm_inst_dispatch(new_tbf->state_fsm.fi, TBF_EV_ASSIGN_ACK_PACCH, NULL);
 		/* stop pending assignment timer */
 		new_tbf->t_stop(T0, "control acked (DL-TBF)");
 		if (new_tbf->check_n_clear(GPRS_RLCMAC_FLAG_TO_DL_ASS))
@@ -401,7 +393,7 @@
 				tbf->direction == new_tbf->direction)
 			tbf_free(tbf);
 
-		TBF_SET_STATE(new_tbf, TBF_ST_FLOW);
+		osmo_fsm_inst_dispatch(new_tbf->state_fsm.fi, TBF_EV_ASSIGN_ACK_PACCH, NULL);
 		if (new_tbf->check_n_clear(GPRS_RLCMAC_FLAG_TO_UL_ASS))
 			LOGPTBF(new_tbf, LOGL_NOTICE, "Recovered uplink assignment for UL\n");
 
diff --git a/src/tbf.cpp b/src/tbf.cpp
index 6f79e14..8f8c064 100644
--- a/src/tbf.cpp
+++ b/src/tbf.cpp
@@ -806,7 +806,7 @@
 			if (!dl_tbf->upgrade_to_multislot) {
 				/* change state to FLOW, so scheduler
 				 * will start transmission */
-				TBF_SET_STATE(dl_tbf, TBF_ST_FLOW);
+				osmo_fsm_inst_dispatch(dl_tbf->state_fsm.fi, TBF_EV_ASSIGN_READY_CCCH, NULL);
 				return;
 			}
 
diff --git a/src/tbf_fsm.c b/src/tbf_fsm.c
index d591c31..a049066 100644
--- a/src/tbf_fsm.c
+++ b/src/tbf_fsm.c
@@ -45,6 +45,8 @@
 	{ TBF_EV_ASSIGN_ADD_PACCH, "ASSIGN_ADD_PACCH" },
 	{ TBF_EV_ASSIGN_DEL_CCCH, "ASSIGN_DEL_CCCH" },
 	//{ TBF_EV_ASSIGN_DEL_PACCH, "ASSIGN_DEL_PACCH" },
+	{ TBF_EV_ASSIGN_ACK_PACCH, "ASSIGN_ACK_PACCH" },
+	{ TBF_EV_ASSIGN_READY_CCCH, "ASSIGN_READY_CCCH" },
 	{ 0, NULL }
 };
 
@@ -116,6 +118,21 @@
 	case TBF_EV_ASSIGN_ADD_PACCH:
 		mod_ass_type(ctx, GPRS_RLCMAC_FLAG_PACCH, true);
 		break;
+	case TBF_EV_ASSIGN_ACK_PACCH:
+		if (ctx->state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH)) {
+			/* We now know that the PACCH really existed */
+			LOGPTBF(ctx->tbf, LOGL_INFO,
+				"The TBF has been confirmed on the PACCH, "
+				"changed type from CCCH to PACCH\n");
+			mod_ass_type(ctx, GPRS_RLCMAC_FLAG_CCCH, false);
+			mod_ass_type(ctx, GPRS_RLCMAC_FLAG_PACCH, true);
+		}
+		tbf_fsm_state_chg(fi, TBF_ST_FLOW);
+		break;
+	case TBF_EV_ASSIGN_READY_CCCH:
+		/* change state to FLOW, so scheduler will start transmission */
+		tbf_fsm_state_chg(fi, TBF_ST_FLOW);
+		break;
 	default:
 		OSMO_ASSERT(0);
 	}
@@ -152,7 +169,9 @@
 	[TBF_ST_ASSIGN] = {
 		.in_event_mask =
 			X(TBF_EV_ASSIGN_ADD_CCCH) |
-			X(TBF_EV_ASSIGN_ADD_PACCH),
+			X(TBF_EV_ASSIGN_ADD_PACCH) |
+			X(TBF_EV_ASSIGN_ACK_PACCH) |
+			X(TBF_EV_ASSIGN_READY_CCCH),
 		.out_state_mask =
 			X(TBF_ST_FLOW) |
 			X(TBF_ST_FINISHED) |
diff --git a/src/tbf_fsm.h b/src/tbf_fsm.h
index 0e280d1..677f735 100644
--- a/src/tbf_fsm.h
+++ b/src/tbf_fsm.h
@@ -31,6 +31,8 @@
 	TBF_EV_ASSIGN_ADD_PACCH,
 	TBF_EV_ASSIGN_DEL_CCCH,
 	//TBF_EV_ASSIGN_DEL_PACCH,
+	TBF_EV_ASSIGN_ACK_PACCH, /*  We received a CTRL ACK confirming assignment started on PACCH */
+	TBF_EV_ASSIGN_READY_CCCH, /* TBF Start Time timer triggered */
 };
 
 enum tbf_fsm_states {
diff --git a/tests/tbf/TbfTest.cpp b/tests/tbf/TbfTest.cpp
index 5065e90..afae1ac 100644
--- a/tests/tbf/TbfTest.cpp
+++ b/tests/tbf/TbfTest.cpp
@@ -205,7 +205,8 @@
 
 	/* "Establish" the DL TBF */
 	TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_SEND_ASS);
-	TBF_SET_STATE(dl_tbf, TBF_ST_FLOW);
+	osmo_fsm_inst_dispatch(dl_tbf->state_fsm.fi, TBF_EV_ASSIGN_ADD_CCCH, NULL);
+	osmo_fsm_inst_dispatch(dl_tbf->state_fsm.fi, TBF_EV_ASSIGN_ACK_PACCH, NULL);
 	dl_tbf->m_wait_confirm = 0;
 	check_tbf(dl_tbf);
 
diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err
index a023465..f2beb1f 100644
--- a/tests/tbf/TbfTest.err
+++ b/tests/tbf/TbfTest.err
@@ -63,7 +63,14 @@
 MS(TLLI=0xffffffff, IMSI=, TA=220, 45/0,) Attaching DL TBF: TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) appending 200 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) appending 200 bytes
@@ -72,7 +79,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -161,7 +168,14 @@
 MS(TLLI=0xffffffff, IMSI=, TA=220, 45/0,) Attaching DL TBF: TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) appending 200 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) appending 200 bytes
@@ -170,7 +184,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -259,7 +273,14 @@
 MS(TLLI=0xffffffff, IMSI=, TA=220, 45/0,) Attaching DL TBF: TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) appending 200 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) appending 200 bytes
@@ -268,7 +289,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -446,7 +467,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Copying data unit 0 (BSN 20)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 91 + 13 = 104
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduled DL Acknowledgement polling on UNKNOWN (FN=104, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduled DL Acknowledgement polling on PACCH (FN=104, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduled Ack/Nack polling on FN=104, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) msg block (BSN 20, CS-1): 0f 00 28 09 c6 c7 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink acknowledge
@@ -469,7 +490,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FINISHED) Copying data unit 0 (BSN 21)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FINISHED) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 203 + 13 = 216
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FINISHED) Scheduled DL Acknowledgement polling on UNKNOWN (FN=216, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FINISHED) Scheduled DL Acknowledgement polling on PACCH (FN=216, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FINISHED) starting timer T3191 [final block (DL-TBF)] with 5 sec. 0 microsec, cur_fn=2654167
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FINISHED) Scheduled Ack/Nack polling on FN=216, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FINISHED) msg block (BSN 21, CS-1): 0f 01 2a 4d 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
@@ -512,7 +533,14 @@
 MS(TLLI=0xffffffff, IMSI=, TA=220, 45/0,) Attaching DL TBF: TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 Creating MS object, TLLI = 0xffffffff
 Modifying MS object, TLLI = 0xffffffff, MS class 0 -> 45
 Found first unallocated TRX=0 TFI=1
@@ -534,7 +562,14 @@
 MS(TLLI=0xffffffff, IMSI=, TA=220, 45/0,) Attaching DL TBF: TBF(TFI=1 TLLI=0xffffffff DIR=DL STATE=NULL)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=1 TLLI=0xffffffff DIR=DL STATE=NULL) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_1){NULL}: state_chg to FLOW
+TBF(DL-TFI_1){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=1 TLLI=0xffffffff DIR=DL STATE=NULL) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_1){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_1){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=1 TLLI=0xffffffff DIR=DL STATE=ASSIGN) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=1 TLLI=0xffffffff DIR=DL STATE=ASSIGN) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=1 TLLI=0xffffffff DIR=DL STATE=ASSIGN) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_1){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xf1000001, partly confirmed
 The MS object cannot fully confirm an unexpected TLLI: 0xf1000002, partly confirmed
 Modifying MS object, TLLI = 0xf1000001, IMSI '' -> '001001000000001'
@@ -1691,6 +1726,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) FN=2654283 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654283 -> 2654275
 PDCH(bts=0,trx=0,ts=7) Got CS-1 RLC block: R=0, SI=0, TFI=0, CPS=0, RSB=0, rc=184
@@ -1778,6 +1814,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) FN=2654283 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654283 -> 2654275
 PDCH(bts=0,trx=0,ts=7) Got CS-1 RLC block: R=0, SI=0, TFI=0, CPS=0, RSB=0, rc=184
@@ -1830,6 +1867,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) FN=2654288 Rx Packet Control Ack (reason=DL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) [UPLINK] DOWNLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) changes DL ASS state from GPRS_RLCMAC_DL_ASS_WAIT_ACK to GPRS_RLCMAC_DL_ASS_NONE
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW) stopping timer T0 [control acked (DL-TBF)]
 PDCH(bts=0,trx=0,ts=7) Expiring FN=2654288 but previous FN=2654279 is still reserved!
@@ -1935,6 +1973,7 @@
 TBF(TFI=1 TLLI=0xf5667788 DIR=UL STATE=ASSIGN) FN=2654361 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=1 TLLI=0xf5667788 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=1 TLLI=0xf5667788 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_1){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_1){ASSIGN}: state_chg to FLOW
 PDCH(bts=0,trx=0,ts=7) Expiring FN=2654361 but previous FN=2654353 is still reserved!
 PDCH(bts=0,trx=0,ts=7) Timeout for registered USF (FN=2654353): TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW)
@@ -2014,6 +2053,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) FN=2654283 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654283 -> 2654275
 PDCH(bts=0,trx=0,ts=7) Got CS-1 RLC block: R=0, SI=0, TFI=0, CPS=0, RSB=0, rc=184
@@ -2103,6 +2143,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) FN=2654340 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654340 -> 2654331
 PDCH(bts=0,trx=0,ts=7) Got CS-1 RLC block: R=0, SI=0, TFI=0, CPS=0, RSB=0, rc=184
@@ -2164,6 +2205,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) FN=2654283 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654283 -> 2654275
 PDCH(bts=0,trx=0,ts=7) Got CS-1 RLC block: R=0, SI=0, TFI=0, CPS=0, RSB=0, rc=184
@@ -2317,6 +2359,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) FN=2654283 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654283 -> 2654275
 PDCH(bts=0,trx=0,ts=7) Got CS-1 RLC block: R=0, SI=0, TFI=0, CPS=0, RSB=0, rc=184
@@ -2409,6 +2452,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) FN=2654288 Rx Packet Control Ack (reason=DL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) [UPLINK] DOWNLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) changes DL ASS state from GPRS_RLCMAC_DL_ASS_WAIT_ACK to GPRS_RLCMAC_DL_ASS_NONE
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FLOW) stopping timer T0 [control acked (DL-TBF)]
 PDCH(bts=0,trx=0,ts=7) Expiring FN=2654288 but previous FN=2654279 is still reserved!
@@ -3087,6 +3131,7 @@
 MS(TLLI=0xf1223344, IMSI=0011223344, TA=7, 1/0, UL DL) Detaching TBF: TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=RELEASING)
 ********** DL-TBF ends here **********
 TBF(DL-TFI_0){RELEASING}: Deallocated
+TBF(DL-TFI_1){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(DL-TFI_1){ASSIGN}: state_chg to FLOW
 TBF(TFI=1 TLLI=0xf1223344 DIR=DL STATE=FLOW) stopping timer T0 [control acked (DL-TBF)]
 PDCH(bts=0,trx=0,ts=7) Expiring FN=2654409 but previous FN=2654383 is still reserved!
@@ -3464,6 +3509,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) FN=2654283 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654283 -> 2654275
 PDCH(bts=0,trx=0,ts=7) Got CS-1 RLC block: R=0, SI=0, TFI=0, CPS=0, RSB=0, rc=184
@@ -3559,6 +3605,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) FN=2654283 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654283 -> 2654275
 PDCH(bts=0,trx=0,ts=7) Got CS-1 RLC block: R=0, SI=0, TFI=0, CPS=0, RSB=0, rc=184
@@ -3747,7 +3794,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 10 bytes
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 0 + 13 = 13
@@ -3755,7 +3809,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -3770,7 +3824,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-1): 0f 00 00 16 28 fe 03 02 02 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 00 
 Detected FN jump! 2654167 -> 8
@@ -3939,7 +3993,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 20)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because 20 blocks sent.
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 91 + 13 = 104
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=104, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=104, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=104, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 20, MCS-1): 0f 00 05 96 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 00 
 PDCH(bts=0,trx=0,ts=4) FN=95 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
@@ -3979,19 +4033,19 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 24)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 108 + 13 = 121
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=121, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=121, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=121, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 24, MCS-1): 0f 00 06 16 18 fe 03 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 Detected FN jump! 8 -> 112
 PDCH(bts=0,trx=0,ts=4) Expiring FN=112 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 112)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 PDCH(bts=0,trx=0,ts=4) Expiring FN=112 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 112)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
 PDCH(bts=0,trx=0,ts=4) Expiring FN=112 but previous FN=104 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=104): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -4038,7 +4092,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 10 bytes
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 0 + 13 = 13
@@ -4046,7 +4107,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -4061,7 +4122,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-2): 0f 00 00 12 28 fe 03 02 02 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 Detected FN jump! 112 -> 8
@@ -4225,19 +4286,19 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 19)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 86 + 13 = 99
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=99, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=99, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=99, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 19, MCS-2): 0f c0 04 12 20 fe 03 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 Detected FN jump! 8 -> 91
 PDCH(bts=0,trx=0,ts=4) Expiring FN=91 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 91)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 PDCH(bts=0,trx=0,ts=4) Expiring FN=91 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 91)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -4280,7 +4341,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 10 bytes
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 0 + 13 = 13
@@ -4288,7 +4356,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -4303,7 +4371,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-3): 0f 00 00 06 28 fe 03 02 02 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 Detected FN jump! 91 -> 8
@@ -4427,19 +4495,19 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 14)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 65 + 13 = 78
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=78, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=78, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=78, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 14, MCS-3): 0f 80 03 06 7c fe 03 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 56 56 56 56 00 
 Detected FN jump! 8 -> 69
 PDCH(bts=0,trx=0,ts=4) Expiring FN=69 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 69)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 PDCH(bts=0,trx=0,ts=4) Expiring FN=69 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 69)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -4482,7 +4550,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 10 bytes
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 0 + 13 = 13
@@ -4490,7 +4565,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -4505,7 +4580,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-4): 0f 00 00 00 28 fe 03 02 02 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 Detected FN jump! 69 -> 8
@@ -4613,19 +4688,19 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 12)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 56 + 13 = 69
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=69, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=69, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=69, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 12, MCS-4): 0f 00 03 00 70 fe 03 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 Detected FN jump! 8 -> 60
 PDCH(bts=0,trx=0,ts=4) Expiring FN=60 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 60)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 PDCH(bts=0,trx=0,ts=4) Expiring FN=60 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 60)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -4668,7 +4743,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 10 bytes
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 0 + 13 = 13
@@ -4676,7 +4758,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -4691,7 +4773,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-5): 0f 00 00 08 c5 7f 40 40 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 Detected FN jump! 60 -> 8
@@ -4783,19 +4865,19 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 47 + 13 = 60
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=60, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=60, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=60, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 10, MCS-5): 0f 80 02 08 c4 7f 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 Detected FN jump! 8 -> 52
 PDCH(bts=0,trx=0,ts=4) Expiring FN=52 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 52)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 PDCH(bts=0,trx=0,ts=4) Expiring FN=52 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 52)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -4838,7 +4920,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 10 bytes
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 0 + 13 = 13
@@ -4846,7 +4935,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -4861,7 +4950,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-6): 0f 00 00 00 c5 7f 40 40 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 Detected FN jump! 52 -> 8
@@ -4929,19 +5018,19 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 7)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 34 + 13 = 47
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=47, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=47, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=47, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 7, MCS-6): 0f c0 01 00 e2 7f 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 c0 ca ca ca 0a 
 Detected FN jump! 8 -> 39
 PDCH(bts=0,trx=0,ts=4) Expiring FN=39 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 39)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 PDCH(bts=0,trx=0,ts=4) Expiring FN=39 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 39)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -4984,7 +5073,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 10 bytes
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 0 + 13 = 13
@@ -4992,7 +5088,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5008,7 +5104,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-5): 0f 00 00 08 c5 7f 40 40 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 Detected FN jump! 39 -> 8
@@ -5084,19 +5180,19 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 30 + 13 = 43
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=43, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=43, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=43, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 10, MCS-5): 0f 80 02 08 c4 7f 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 Detected FN jump! 8 -> 34
 PDCH(bts=0,trx=0,ts=4) Expiring FN=34 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 34)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 PDCH(bts=0,trx=0,ts=4) Expiring FN=34 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 34)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -5139,7 +5235,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 10 bytes
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 0 + 13 = 13
@@ -5147,7 +5250,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5164,7 +5267,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-8): 0f 00 00 00 60 50 fc 07 04 04 04 04 04 04 04 04 04 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 40 f1 1f 10 10 10 10 10 10 10 10 10 b0 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
 Detected FN jump! 34 -> 8
@@ -5230,19 +5333,19 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 26 + 13 = 39
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=39, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=39, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=39, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 8, MCS-8): 0f 00 02 00 60 20 fd 07 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 80 f4 1f 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 b0 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
 Detected FN jump! 8 -> 30
 PDCH(bts=0,trx=0,ts=4) Expiring FN=30 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 30)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 PDCH(bts=0,trx=0,ts=4) Expiring FN=30 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 30)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -5285,7 +5388,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 10 bytes
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 0 + 13 = 13
@@ -5293,7 +5403,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) start Packet Downlink Assignment (PACCH)
 +++++++++++++++++++++++++ TX : Packet Downlink Assignment +++++++++++++++++++++++++
 ------------------------- TX : Packet Downlink Assignment -------------------------
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on UNKNOWN (FN=13, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Assignment polling on PACCH (FN=13, TS=4)
 PDCH(bts=0,trx=0,ts=4) FN=0 Scheduling control message at RTS for TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 PDCH(bts=0,trx=0,ts=4) FN=4 Scheduling data message at RTS for DL TFI=0 prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5309,7 +5419,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-6): 0f 00 00 00 c5 7f 40 40 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 Detected FN jump! 30 -> 8
@@ -5365,19 +5475,19 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 7)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 21 + 13 = 34
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=34, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=34, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=34, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 6, MCS-9): 0f 80 01 02 00 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 80 f8 1f 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 b0 b2 b2 b2 02 
 Detected FN jump! 8 -> 26
 PDCH(bts=0,trx=0,ts=4) Expiring FN=26 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 26)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 PDCH(bts=0,trx=0,ts=4) Expiring FN=26 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 26)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -5422,7 +5532,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5482,7 +5599,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5541,7 +5665,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5600,7 +5731,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5622,7 +5760,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 8 + 13 = 21
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=21, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=21, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=21, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 1, MCS-5): 0f 40 00 08 d6 3f 4e 8e ce 0e 4f 8f cf 0f 50 90 d0 10 51 91 d1 11 52 92 d2 12 53 93 d3 13 54 94 d4 14 55 95 d5 15 56 96 d6 16 57 97 d7 17 58 98 d8 d8 ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
@@ -5639,7 +5777,7 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=63 but previous FN=21 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=21): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=21, TS=4 (curr FN 63)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -5682,7 +5820,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5704,7 +5849,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 8 + 13 = 21
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=21, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=21, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=21, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 1, MCS-6): 0f 40 00 00 cd bf d2 12 53 93 d3 13 54 94 d4 14 55 95 d5 15 56 96 d6 16 57 97 d7 17 58 98 d8 d8 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
@@ -5720,7 +5865,7 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=63 but previous FN=21 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=21): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=21, TS=4 (curr FN 63)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -5763,7 +5908,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5781,7 +5933,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-7): 0f 00 00 02 a0 01 04 08 0c 10 14 18 1c 20 24 28 2c 30 34 38 3c 40 44 48 4c 50 54 58 5c 60 64 68 6c 70 74 78 7c 80 84 88 8c 90 94 98 9c a0 a4 a8 ac b0 b4 b8 bc c0 c4 c8 cc d0 d4 d8 dc 80 f5 8f 93 a3 b3 c3 d3 e3 f3 03 14 24 34 44 54 64 74 84 94 a4 b4 c4 d4 e4 f4 04 15 25 35 45 55 65 75 85 95 a5 b5 c5 d5 e5 f5 05 16 26 36 b6 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
@@ -5801,7 +5953,7 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=63 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 63)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -5844,7 +5996,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5862,7 +6021,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 PDCH(bts=0,trx=0,ts=4) POLL scheduled at FN 4 + 13 = 17
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on PACCH (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-9): 0f 00 00 02 00 01 04 08 0c 10 14 18 1c 20 24 28 2c 30 34 38 3c 40 44 48 4c 50 54 58 5c 60 64 68 6c 70 74 78 7c 80 84 88 8c 90 94 98 9c a0 a4 a8 ac b0 b4 b8 bc c0 c4 c8 cc d0 d4 d8 dc e0 e4 e8 ec f0 f4 f8 fc 00 05 09 0d 11 15 19 1d 21 25 41 f3 af b4 c4 d4 e4 f4 04 15 25 35 45 55 65 75 85 95 a5 b5 c5 d5 e5 f5 05 16 26 36 b6 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
@@ -5882,7 +6041,7 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=63 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 63)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |No downlink ACK received yet|
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
@@ -5927,7 +6086,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -5993,7 +6159,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -6059,7 +6232,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -6125,7 +6305,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==0) mcs_mode_restrict=EGPRS
@@ -6225,6 +6412,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) FN=2654283 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654283 -> 2654275
 PDCH(bts=0,trx=0,ts=7) Got CS-1 RLC block: R=0, SI=0, TFI=0, CPS=0, RSB=0, rc=184
@@ -6394,6 +6582,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) FN=2654283 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654283 -> 2654275
 PDCH(bts=0,trx=0,ts=7) Got MCS-4 RLC block: R=1, SI=0, TFI=0, CPS=5, RSB=0, rc=385
@@ -6475,7 +6664,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 ws(480)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
@@ -6740,6 +6936,7 @@
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) FN=2654283 Rx Packet Control Ack (reason=UL_ASS)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
+TBF(UL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
 TBF(UL-TFI_0){ASSIGN}: state_chg to FLOW
 Detected FN jump! 2654283 -> 2654275
 PDCH(bts=0,trx=0,ts=7) Got MCS-4 RLC block: R=0, SI=0, TFI=0, CPS=0, RSB=0, rc=385
@@ -7940,7 +8137,14 @@
 ws(64)
 Modifying MS object, TLLI = 0xffffffff, TA 220 -> 0
 TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) changes DL ASS state from GPRS_RLCMAC_DL_ASS_NONE to GPRS_RLCMAC_DL_ASS_SEND_ASS
-TBF(DL-TFI_0){NULL}: state_chg to FLOW
+TBF(DL-TFI_0){NULL}: Received Event ASSIGN_ADD_CCCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=NULL EGPRS) set ass. type CCCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){NULL}: state_chg to ASSIGN
+TBF(DL-TFI_0){ASSIGN}: Received Event ASSIGN_ACK_PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) The TBF has been confirmed on the PACCH, changed type from CCCH to PACCH
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) unset ass. type CCCH [prev CCCH:1, PACCH:0]
+TBF(TFI=0 TLLI=0xffffffff DIR=DL STATE=ASSIGN EGPRS) set ass. type PACCH [prev CCCH:0, PACCH:0]
+TBF(DL-TFI_0){ASSIGN}: state_chg to FLOW
 The MS object cannot fully confirm an unexpected TLLI: 0xffeeddcc, partly confirmed
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 100 bytes
 packet reject: 40 84 7f f7 6e e6 7e ab 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 

-- 
To view, visit https://gerrit.osmocom.org/c/osmo-pcu/+/25012
To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings

Gerrit-Project: osmo-pcu
Gerrit-Branch: master
Gerrit-Change-Id: Ia8c7de759c195d09263fb1f083fbf6cfa3087f8d
Gerrit-Change-Number: 25012
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newchange
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210722/bd831e8c/attachment.htm>

More information about the gerrit-log mailing list