Tue Aug 10 17:08:40 2021 <0004> abis_rsl.c:1848 (bts=0) CHAN RQD: reason: call re-establishment (ra=0x49, neci=0x01, chreq_reason=0x02)
Tue Aug 10 17:08:40 2021 <0004> abis_rsl.c:1924 (bts=0,trx=1,ts=7,ss=0) Activating ARFCN(73) SS(0) lctype TCH_H r=CALL ra=0x49 ta=0
Tue Aug 10 17:08:40 2021 <0004> abis_rsl.c:595 (bts=0,trx=1,ts=7,pchan=TCH/H) Tx RSL Channel Activate with act_type=INITIAL
Tue Aug 10 17:08:40 2021 <0004> abis_rsl.c:1231 (bts=0,trx=1,ts=7,ss=0) state NONE -> ACTIVATION REQUESTED
Tue Aug 10 17:08:40 2021 <0004> abis_rsl.c:1603 (bts=0,trx=1,ts=7,ss=0) CHANNEL ACTIVATE ACK
Tue Aug 10 17:08:40 2021 <0004> abis_rsl.c:1231 (bts=0,trx=1,ts=7,ss=0) state ACTIVATION REQUESTED -> ACTIVE
Tue Aug 10 17:08:41 2021 <000a> bsc_api.c:415 Sending (bts=0,trx=1,ts=7,ss=0) ChanModify for speech: SPEECH_AMR on channel TCH_H
Tue Aug 10 17:08:41 2021 <0003> gsm_04_08_utils.c:517 -> CHANNEL MODE MODIFY mode=0x41
<—————————————————————————————————————— This is what we observed, no Channel Modify Ack
Tue Aug 10 17:08:47 2021 <000a> bsc_api.c:139 Assignment T10 timeout on 0x15b4350
Tue Aug 10 17:08:47 2021 <0003> osmo_msc.c:82 MSC assign failure (do nothing).
Tue Aug 10 17:08:51 2021 <0004> abis_rsl.c:1848 (bts=0) CHAN RQD: reason: call re-establishment (ra=0x49, neci=0x01, chreq_reason=0x02)
Tue Aug 10 17:08:51 2021 <0004> abis_rsl.c:1924 (bts=0,trx=1,ts=7,ss=1) Activating ARFCN(73) SS(1) lctype TCH_H r=CALL ra=0x49 ta=0
Tue Aug 10 17:08:51 2021 <0004> abis_rsl.c:595 (bts=0,trx=1,ts=7,pchan=TCH/H) Tx RSL Channel Activate with act_type=INITIAL
Tue Aug 10 17:08:51 2021 <0004> abis_rsl.c:1231 (bts=0,trx=1,ts=7,ss=1) state NONE -> ACTIVATION REQUESTED
Tue Aug 10 17:08:51 2021 <0004> abis_rsl.c:1603 (bts=0,trx=1,ts=7,ss=1) CHANNEL ACTIVATE ACK
Tue Aug 10 17:08:51 2021 <0004> abis_rsl.c:1231 (bts=0,trx=1,ts=7,ss=1) state ACTIVATION REQUESTED -> ACTIVE
Tue Aug 10 17:08:53 2021 <0017> smpp_smsc.c:746 [entropy] smpp_pdu_rx(00 00 00 10 00 00 00 15 00 00 00 00 00 00 00 24 )
Tue Aug 10 17:08:53 2021 <0017> smpp_smsc.c:595 [entropy] Rx Enquire Link
Tue Aug 10 17:08:53 2021 <0017> smpp_smsc.c:599 [entropy] Tx Enquire Link Response
Tue Aug 10 17:09:03 2021 <0004> abis_rsl.c:1848 (bts=0) CHAN RQD: reason: call re-establishment (ra=0x47, neci=0x01, chreq_reason=0x02)
Tue Aug 10 17:09:03 2021 <0004> abis_rsl.c:1924 (bts=0,trx=1,ts=6,ss=0) Activating ARFCN(73) SS(0) lctype TCH_H r=CALL ra=0x47 ta=0
Tue Aug 10 17:09:03 2021 <0004> abis_rsl.c:595 (bts=0,trx=1,ts=6,pchan=TCH/H) Tx RSL Channel Activate with act_type=INITIAL
Tue Aug 10 17:09:03 2021 <0004> abis_rsl.c:1231 (bts=0,trx=1,ts=6,ss=0) state NONE -> ACTIVATION REQUESTED
Tue Aug 10 17:09:03 2021 <0004> abis_rsl.c:1603 (bts=0,trx=1,ts=6,ss=0) CHANNEL ACTIVATE ACK
Tue Aug 10 17:09:03 2021 <0004> abis_rsl.c:1231 (bts=0,trx=1,ts=6,ss=0) state ACTIVATION REQUESTED -> ACTIVE
Tue Aug 10 17:09:13 2021 <0004> abis_rsl.c:1358 (bts=0,trx=1,ts=7,ss=0) CONNECTION FAIL: RELEASING state ACTIVE CAUSE=0x01(Radio Link Failure)
Tue Aug 10 17:09:13 2021 <0004> abis_rsl.c:867 (bts=0,trx=1,ts=7,ss=0) RF Channel Release due to error: 1
Tue Aug 10 17:09:13 2021 <0004> abis_rsl.c:777 (bts=0,trx=1,ts=7,ss=0) DEACTivate SACCH CMD
Tue Aug 10 17:09:13 2021 <0004> abis_rsl.c:1231 (bts=0,trx=1,ts=7,ss=0) state ACTIVE -> RELEASE DUE ERROR
Tue Aug 10 17:09:13 2021 <0004> abis_rsl.c:939 (bts=0,trx=1,ts=7,ss=0) RF CHANNEL RELEASE ACK
Tue Aug 10 17:09:17 2021 <0004> abis_rsl.c:826 (bts=0,trx=1,ts=7,ss=0) is back in operation.
Tue Aug 10 17:09:17 2021 <0004> abis_rsl.c:1231 (bts=0,trx=1,ts=7,ss=0) state RELEASE DUE ERROR -> NONE
Tue Aug 10 17:09:19 2021 <0004> abis_rsl.c:1848 (bts=0) CHAN RQD: reason: Location updating (ra=0x07, neci=0x01, chreq_reason=0x03)
Tue Aug 10 17:09:19 2021 <0004> abis_rsl.c:1924 (bts=0,trx=0,ts=1,ss=0) Activating ARFCN(8) SS(0) lctype SDCCH r=LOCATION_UPDATE ra=0x07 ta=0
Tue Aug 10 17:09:19 2021 <0004> abis_rsl.c:595 (bts=0,trx=0,ts=1,pchan=SDCCH8) Tx RSL Channel Activate with act_type=INITIAL
Tue Aug 10 17:09:19 2021 <0004> abis_rsl.c:1231 (bts=0,trx=0,ts=1,ss=0) state NONE -> ACTIVATION REQUESTED
Tue Aug 10 17:09:19 2021 <0004> abis_rsl.c:1603 (bts=0,trx=0,ts=1,ss=0) CHANNEL ACTIVATE ACK
Tue Aug 10 17:09:19 2021 <0004> abis_rsl.c:1231 (bts=0,trx=0,ts=1,ss=0) state ACTIVATION REQUESTED -> ACTIVE
Osmo-sip-connector Logs:
<0000> sip.c:330 sip_release_call(): Release with MNCC cause(NORM_CALL_CLEAR)
<0000> sip.c:302 cause2status(): Mapping cause(NORM_CALL_CLEAR) to status(200)
<0000> sip.c:353 Ending leg(0x8dc700) in con
<0000> sip.c:223 SIP event(33) status(200) phrase(OK) 0x8dc700
<0000> sip.c:257 leg(0x8dc700) got resp to bye
<0000> sip.c:223 SIP event(9) status(200) phrase(Session Terminated) 0x8d7150
<0000> sip.c:265 leg(0x8d7150) got bye, releasing.
<0000> sip.c:223 SIP event(7) status(0) phrase(INVITE sent) 0x8d7150
<0000> sip.c:223 SIP event(1) status(100) phrase(Trying) (nil)
<0000> sip.c:89 Incoming call handle(0x8d96a0)
<0000> sip.c:223 SIP event(7) status(100) phrase(Trying) 0x8dc700
<0000> sip.c:330 sip_release_call(): Release with MNCC cause(RESOURCE_UNAVAIL)
<0000> sip.c:302 cause2status(): Mapping cause(RESOURCE_UNAVAIL) to status(503)
<0000> sip.c:341 Canceling leg(0x8dc700) in cnfd state
<0000> sip.c:223 SIP event(31) status(503) phrase(Service Unavailable) 0x8d7150
<0000> sip.c:242 leg(0x8d7150) unknown SIP status(503), releasing.
<0000> sip.c:248 Releasing other leg (0x8d6f30) with status(503)
<0001> mncc.c:54 cmd(0x204) never arrived for leg(2147483656) <—————————————————————————————————————— Basically it didn’t arrived in B Leg.
<0001> mncc.c:495 call(2147483656) can not be found
Very well appreciated your help on this.
Best Regards,
Sonny