OpenBSC April 2025

openbsc@lists.osmocom.org

9 participants
28 discussions

Video Recordings of OsmoCon 2017
by Harald Welte 09 Feb '26

09 Feb '26

Hi all, the Osmocom Conference 2017 last week was an overwhelming success. We received lots of positive feedback from all sides. Thanks to all the speakers, to the attendees as well as to the anonymous sponsor of the travel grant funds. It is my great pleasure that due to the great support by C3VOC (The CCC Video Operation Center), we have full recordings of all talks given at OsmoCon 2017. You can find the videos on the C3VOC site at https://media.ccc.de/search/?q=osmocon They are also linked individually from the OsmoCon 2017 homepage at https://osmocom.org/projects/osmo-dev-con/wiki/OsmoCon2017 I hope the video recordings will be of help for everyone who could not make it to the event in person. We will also be collecting the slides and put them up on the wiki during the next few days. Please don't hesitate to raise any feedback and/or questions. Technical feedback/questions regarding Osmocom software / projects should be addressed to the appropriate mailing lists, such as openbsc(a)lists.osmocom.org. Feedback to the organizers should be sent to osmocon2017(a)sysmocom.de. Looking forward to the next OsmoCon, which we'll expect to be spanning ore than just a single day. Regards, Harald -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

3 2

GPRS - local and foreign TLLIs
by Luca Melette 03 Feb '26

03 Feb '26

Hello everybody, after setting up a nanoBTS with OpenBSC/SGSN/GGSN, I had some troubles trying to connect my smartphone to the GPRS cell. Investigating the BTS-to-SGSN traffic, I saw that the frames sent by the SGSN were all marked with the same N(U) value (at LLC layer), the value was 0. With some debug, I found that the there was a mismatch in the TLLI storage, used to keep the status of attached terminals. The mentioned code is contained in gprs_llc.c, involving LL Entity functions and gprs_llc_tx_ui(). /* look-up or create the LL Entity for this (TLLI, SAPI) tuple */ lle = lle_by_tlli_sapi(msgb_tlli(msg), sapi); if (!lle) { struct gprs_llc_llme *llme; LOGP(DLLC, LOGL_ERROR, "LLC TX: unknown TLLI 0x%08x, " "creating LLME on the fly\n", msgb_tlli(msg)); llme = llme_alloc(msgb_tlli(msg)); lle = &llme->lle[sapi]; } The TX function uses the previously received TLLI to lookup for the LLE. The lle_by_tlli_sapi() performs the search, but preliminary it applies a foreign2local TLLI conversion to ensure to have a local one. Since no valid entry for the searched TLLI is found, a new one is created. And the problem is here. The new entry has the foreign TLLI. Next time the lookup fails again, and a new entry is created. This way, the counter N(U) is always reset, and the mobile do not recognize the message sequence and no attach is possible. My question is about foreign and local TLLIs. I patched the lookup, avoiding the conversion, so that the LLE is found and everything works fine... but... What is the sense of the conversion? Should the TLLI be always stored as a local one? Can this problem be solved with another foreign2local while allocating new entries? Actually, my problem has been solved with that workaround. But I'm curious to know what is the right way. Hope somebody can answer :) Thanks. Cheers, LM

5 6

OsmoNITB timeslots configuration and UmTRX
by Родион Гадыршин 26 Jan '26

26 Jan '26

Hello, list. I have umtrx v2.1 and I have already built GSM and GPRS components. Now I want to know which way of configuring timeslots in osmobsc.cfn is the best. I want GPRS, calls and SMS work. My current configuration is: timeslot 0 phys_chan_config CCCH+SDCCH4 hopping enabled 0 timeslot 1 phys_chan_config SDCCH8 hopping enabled 0 timeslot 2 phys_chan_config TCH/F hopping enabled 0 timeslot 3 phys_chan_config TCH/F hopping enabled 0 timeslot 4 phys_chan_config PDCH hopping enabled 0 timeslot 5 phys_chan_config PDCH hopping enabled 0 timeslot 6 phys_chan_config PDCH hopping enabled 0 timeslot 7 phys_chan_config PDCH hopping enabled 0 Is there a better way to configure? Maybe better use TCH/F_TCH/H_PDCH, but I have heard, that TCH/F is currently not working in dynamic configurations - only TCH/H does. And there is no only TCH/H_PDCH mode. So, could you please give me an advice?

3 2

On the use of 'decmatch' in TTCN-3
by Harald Welte 26 Jan '26

26 Jan '26

Hi, I know that TTCN-3 is still new to a lot of you, but we are writing tons of integration testing against the various osmocom programs in it. It is quite amazing technology, and I would like to ask you to bear with me reading this mail :) Pau was stating the question earlier today on not finding an example on how to use decmatch. Indeed, it took me some months to find that gem in the TTCN-3 world. It solves the problem that you often have during test of layered protocol stacks: you have separate encoders/decoders for each protocol layer, and now you want to match on some of the *inner* payload. So normally, you have some kind of header definition + a binary (octetstring) payload. This happens in RSL with the L3_INFO IE, and just the same on BSSAP/DTAP where again the L3 message (for example call control) is encapsulated inside one information element. Now you have multiple options of addressing the problem: a) hand-written calls to the decoder function b) write na 'emulation' for the entire protocol layer c) use decmatch. a) would look like this (pseudo-code): var octetstring l3oct; var RSL_Message rsl RSL.receive(tr_RSL_DATA_REQ(g_chan_nr, ?, ?)) -> value rsl { var PDU_ML3_MS_NW l3 := dec_PDU_ML3_MS_NW(rsl.payload); if (match(l3, some_template)) { ... do something } ... } Which uses the built-in pattern-matching on the RSL port to match any message that matches the tr_RSL_DATA_REQ template, and stores the resulting RSL message in a variable. It then uses an explicit call to the decoder function of the L3 message, and then uses regular conditional expressions for further matching on that inner L3 payload. This is more or less how you would write in C, python or any other quite imperative programming languages. It's very verbose, time consuming and un-abstract/elegant. TTCN-3 has many declarative aspects to it. Code like the above is a waste of your time :) b) would mean that you implement some test component that handles the RSL messages on its bottom side test port, and the L3 messages on its top side test port. That is a possible way, and if you need a lot of state/logic of RSL, it maeks sense. But what if you really simply want to have a match? Then it would be a lot of effort and a large detour. c) decmatch to the rescue! You can write RSL.receive(tr_RSL_DATA_REQ(g_chan_nr, ?, decmatch tr_RRM_RR_STATUS)) which means: * do a receive on the RSL test port, and match on an incoming RSL message that matches the tr_RSL_DATA_REQ template, with channel number specified, link_id any (?), *and* if the octetstring payload, if decoded, matches the template tr_RRM_RR_STATUS ! This is *extremely* powerful and expressive. It allows you to condense complex, parametric template matching over multiple proocol layers. It would in the end match RSL DATA REQUEST, only if they contained a [valid] encoded RR STATUS. See https://gerrit.osmocom.org/6229 for the actual test case I used for the above examples. Please also note that I never had to even write the function name of the decoder (dec_PDU_ML3_MS_NW), but TTCN-3 *automatically* figures out which decoder function it must call in order to decode from the binary octetstring. Happy (TTCN-3) hacking + Osmocom bugfixing, Harald -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

3 3

osmo-gsm-manuals in project repos: I see no .pdf
by Neels Hofmeyr 08 Jan '26

08 Jan '26

Hi Oliver, so I merged the stuff to add the manuals to the individual git repositories, since you said that it works. But when I do --enable-manuals I don't see any PDF files generated. Also a manual 'make pdf' says "nothing to be done". (I probably should have tried it before merging after all) So what am I doing wrong? Alternatively, can you fix it please? ~N

3 3

Excel in NURS FPX 4010 Assessments with Our Expert Online Tutoring
by williammores96＠gmail.com 05 Jan '26

05 Jan '26

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4 6

Some phones cant receive SMS
by Henry Caga 16 Dec '25

16 Dec '25

Hi, I would like to ask for help regarding my osmo-bsc setup. I have 2 problems as of now. 1) My setup is working fine on my phones, i can send and receive sms. However, on some phones, i can only send sms or call. But i cannot receive sms. I attached the sample logs from the phone that can receive sms and phone that cannot receive sms. I also included my config files. 2) i have a GPSDO TCXO and i wanted to use the maximum setting like setting up the 10mhz reference. what should i set or configure at the config files in order to set it? 3) Is there a way to improve my setup? Im using 50w PA and are there any settings that i have missed? Thank you Henry Phone that can receive sms ========= 20220226175408907 DRLL <0000> chan_alloc.c:240 (bts=0) channel load average is 0.00% 20220226175408907 DRLL <0000> chan_alloc.c:253 (bts=0) T3122 wait indicator set to 10 seconds 20220226175409767 DNM <0004> abis_nm.c:345 BTS 0 reported connected PCU version 0.8.0.178-b75c2 20220226175414767 DNM <0004> abis_nm.c:345 BTS 0 reported connected PCU version 0.8.0.178-b75c2 20220226175415439 DLSCCP <0020> sccp_user.c:175 Delivering N-UNITDATA.indication to SCCP User 'msc-0' 20220226175415439 DMSC <0007> osmo_bsc_sigtran.c:231 N-UNITDATA.ind(00 16 52 08 08 59 51 20 20 02 00 04 21 09 04 23 1d 63 44 1a 03 05 03 f4 ) 20220226175415439 DMSC <0007> osmo_bsc_bssap.c:1259 Rx MSC UDT: 00 16 52 08 08 59 51 20 20 02 00 04 21 09 04 23 1d 63 44 1a 03 05 03 f4 20220226175415439 DMSC <0007> osmo_bsc_bssap.c:1116 Rx MSC UDT BSSMAP PAGING 20220226175415439 DMSC <0007> osmo_bsc_bssap.c:131 Paging request from MSC BTS: 0 IMSI: '515020220004012' TMSI: '0x231d6344/589128516' LAC: 0x3f4 20220226175416335 DRSL <0003> abis_rsl.c:1383 (bts=0) CHAN RQD: reason: answer to paging (ra=0x9e, neci=0x01, chreq_reason=0x01) 20220226175416335 DRLL <0000> lchan_select.c:173 (bts=0) lchan_select_by_type(SDCCH) 20220226175416335 DRLL <0000> lchan_select.c:87 looking for lchan CCCH+SDCCH4: (bts=0,trx=0,ts=0,pchan=CCCH+SDCCH4,state=UNUSED) ss=0 is available 20220226175416335 DRSL <0003> abis_rsl.c:476 (bts=0,trx=0,ts=0,pchan=CCCH+SDCCH4,state=IN_USE) Tx RSL Channel Activate with act_type=INITIAL 20220226175416662 DMSC <0007> fsm.c:461 SUBSCR_CONN[0x558560323460]{INIT}: Allocated 20220226175416662 DMSC <0007> gsm_08_08.c:489 Tx MSC COMPL L3 20220226175416662 DRSL <0003> gsm_08_08.c:232 RR GSM48_MT_RR_PAG_RESP: TMSI-0x231D6344 matches earlier Paging from msc 0 20220226175416662 DMSC <0007> osmo_bsc_sigtran.c:308 Initializing resources for new SCCP connection to MSC 0: RI=SSN_PC,PC=0.23.1,SSN=BSSAP... 20220226175416663 DMSC <0007> gsm_08_08.c:532 SUBSCR_CONN(msc0-conn4294967295_IMSI515020220004012)[0x558560323460]{INIT}: Received Event MO-CONNECT.req 20220226175416663 DMSC <0007> osmo_bsc_sigtran.c:350 Allocated new connection id: 7 20220226175416663 DMSC <0007> osmo_bsc_sigtran.c:354 Opening new SCCP connection (id=7) to MSC: RI=SSN_PC,PC=0.23.1,SSN=BSSAP 20220226175416663 DLSCCP <0020> sccp_scoc.c:1729 Received SCCP User Primitive (N-CONNECT.request) 20220226175416663 DLSCCP <0020> fsm.c:461 SCCP-SCOC(7)[0x55856030ca50]{IDLE}: Allocated 20220226175416663 DLSCCP <0020> sccp_scoc.c:1769 SCCP-SCOC(7)[0x55856030ca50]{IDLE}: Received Event N-CONNECT.req 20220226175416663 DLSCCP <0020> sccp_scoc.c:830 SCCP-SCOC(7)[0x55856030ca50]{IDLE}: state_chg to CONN_PEND_OUT 20220226175416663 DMSC <0007> bsc_subscr_conn_fsm.c:286 SUBSCR_CONN(msc0-conn4294967295_IMSI515020220004012)[0x558560323460]{INIT}: state_chg to WAIT_CC 20220226175416664 DLSCCP <0020> sccp_scoc.c:1662 Received CO:COAK for local reference 7 20220226175416664 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(7)[0x55856030ca50]{CONN_PEND_OUT}: Received Event RCOC-CONNECT_CONFIRM.ind 20220226175416664 DLSCCP <0020> sccp_scoc.c:981 SCCP-SCOC(7)[0x55856030ca50]{CONN_PEND_OUT}: state_chg to ACTIVE 20220226175416664 DLSCCP <0020> sccp_user.c:175 Delivering N-CONNECT.confirm to SCCP User 'msc-0' 20220226175416664 DMSC <0007> osmo_bsc_sigtran.c:244 N-CONNECT.cnf(7, ) 20220226175416664 DMSC <0007> osmo_bsc_sigtran.c:247 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{WAIT_CC}: Received Event MO-CONNECT.cfm 20220226175416664 DMSC <0007> bsc_subscr_conn_fsm.c:354 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{WAIT_CC}: state_chg to ACTIVE 20220226175416664 DLSCCP <0020> sccp_scoc.c:1662 Received CO:CODT for local reference 7 20220226175416664 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(7)[0x55856030ca50]{ACTIVE}: Received Event RCOC-DT1.ind 20220226175416664 DLSCCP <0020> sccp_user.c:175 Delivering N-DATA.indication to SCCP User 'msc-0' 20220226175416664 DMSC <0007> osmo_bsc_sigtran.c:261 N-DATA.ind(7, 00 0b 2f 08 08 59 51 20 20 02 00 04 21 ) 20220226175416664 DMSC <0007> a_reset.c:227 A-RESET(msc-0)[0x55856030c700]{CONN}: Received Event EV_N_CONNECT 20220226175416664 DMSC <0007> osmo_bsc_bssap.c:1153 Rx MSC DT1 BSSMAP COMMON ID 20220226175416664 DMSC <0007> osmo_bsc_bssap.c:1099 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{ACTIVE}: Received Event COMMON_ID.ind 20220226175416664 DLSCCP <0020> sccp_scoc.c:1662 Received CO:CODT for local reference 7 20220226175416664 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(7)[0x55856030ca50]{ACTIVE}: Received Event RCOC-DT1.ind 20220226175416664 DLSCCP <0020> sccp_user.c:175 Delivering N-DATA.indication to SCCP User 'msc-0' 20220226175416664 DMSC <0007> osmo_bsc_sigtran.c:261 N-DATA.ind(7, 01 03 26 09 01 23 01 00 07 91 44 77 58 10 06 50 00 17 20 06 d1 32 99 0c 00 00 22 20 62 71 45 51 23 07 f4 f2 9c 9e 76 9f 01 ) 20220226175416664 DMSC <0007> a_reset.c:227 A-RESET(msc-0)[0x55856030c700]{CONN}: Received Event EV_N_CONNECT 20220226175416664 DMSC <0007> osmo_bsc_bssap.c:1208 Rx MSC DTAP: 01 03 26 09 01 23 01 00 07 91 44 77 58 10 06 50 00 17 20 06 d1 32 99 0c 00 00 22 20 62 71 45 51 23 07 f4 f2 9c 9e 76 9f 01 20220226175416664 DMSC <0007> osmo_bsc_bssap.c:1232 Rx MSC DTAP, SAPI: 3 CHAN: 0 20220226175416664 DMSC <0007> osmo_bsc_bssap.c:1249 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{ACTIVE}: Received Event MT_DTAP 20220226175416664 DRLL <0000> abis_rsl.c:833 (bts=0,trx=0,ts=0,ss=0) RSL RLL ESTABLISH REQ (link_id=0x03) 20220226175416757 DRSL <0003> abis_rsl.c:1082 (bts=0,trx=0,ts=0,ss=0): meas_rep_count++=1 meas_rep_last_seen_nr=0 20220226175416907 DRLL <0000> chan_alloc.c:240 (bts=0) channel load average is 0.20% 20220226175416907 DRLL <0000> chan_alloc.c:253 (bts=0) T3122 wait indicator set to 10 seconds 20220226175417227 DRSL <0003> abis_rsl.c:1082 (bts=0,trx=0,ts=0,ss=0): meas_rep_count++=2 meas_rep_last_seen_nr=1 20220226175417839 DMSC <0007> gsm_08_08.c:548 Tx MSC DTAP LINK_ID=0x03 20220226175417839 DMSC <0007> gsm_08_08.c:554 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{ACTIVE}: Received Event MO_DTAP 20220226175417839 DMSC <0007> osmo_bsc_sigtran.c:394 Tx MSC: DTAP 20220226175417839 DMSC <0007> osmo_bsc_sigtran.c:418 Sending connection (id=7) oriented data to MSC: RI=SSN_PC,PC=0.23.1,SSN=BSSAP (01 03 02 89 04 ) 20220226175417839 DLSCCP <0020> sccp_scoc.c:1729 Received SCCP User Primitive (N-DATA.request) 20220226175417839 DLSCCP <0020> sccp_scoc.c:1769 SCCP-SCOC(7)[0x55856030ca50]{ACTIVE}: Received Event N-DATA.req 20220226175418075 DMSC <0007> gsm_08_08.c:548 Tx MSC DTAP LINK_ID=0x03 20220226175418075 DMSC <0007> gsm_08_08.c:554 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{ACTIVE}: Received Event MO_DTAP 20220226175418075 DMSC <0007> osmo_bsc_sigtran.c:394 Tx MSC: DTAP 20220226175418076 DMSC <0007> osmo_bsc_sigtran.c:418 Sending connection (id=7) oriented data to MSC: RI=SSN_PC,PC=0.23.1,SSN=BSSAP (01 03 09 89 01 06 02 00 41 02 00 00 ) 20220226175418076 DLSCCP <0020> sccp_scoc.c:1729 Received SCCP User Primitive (N-DATA.request) 20220226175418076 DLSCCP <0020> sccp_scoc.c:1769 SCCP-SCOC(7)[0x55856030ca50]{ACTIVE}: Received Event N-DATA.req 20220226175418085 DLSCCP <0020> sccp_scoc.c:1662 Received CO:CODT for local reference 7 20220226175418085 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(7)[0x55856030ca50]{ACTIVE}: Received Event RCOC-DT1.ind 20220226175418085 DLSCCP <0020> sccp_user.c:175 Delivering N-DATA.indication to SCCP User 'msc-0' 20220226175418085 DMSC <0007> osmo_bsc_sigtran.c:261 N-DATA.ind(7, 01 03 02 09 04 ) 20220226175418085 DMSC <0007> a_reset.c:227 A-RESET(msc-0)[0x55856030c700]{CONN}: Received Event EV_N_CONNECT 20220226175418085 DMSC <0007> osmo_bsc_bssap.c:1208 Rx MSC DTAP: 01 03 02 09 04 20220226175418085 DMSC <0007> osmo_bsc_bssap.c:1232 Rx MSC DTAP, SAPI: 3 CHAN: 0 20220226175418085 DMSC <0007> osmo_bsc_bssap.c:1249 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{ACTIVE}: Received Event MT_DTAP 20220226175418085 DLSCCP <0020> sccp_scoc.c:1662 Received CO:CODT for local reference 7 20220226175418085 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(7)[0x55856030ca50]{ACTIVE}: Received Event RCOC-DT1.ind 20220226175418085 DLSCCP <0020> sccp_user.c:175 Delivering N-DATA.indication to SCCP User 'msc-0' 20220226175418085 DMSC <0007> osmo_bsc_sigtran.c:261 N-DATA.ind(7, 00 04 20 04 01 09 ) 20220226175418085 DMSC <0007> a_reset.c:227 A-RESET(msc-0)[0x55856030c700]{CONN}: Received Event EV_N_CONNECT 20220226175418085 DMSC <0007> osmo_bsc_bssap.c:1153 Rx MSC DT1 BSSMAP CLEAR COMMAND 20220226175418085 DMSC <0007> osmo_bsc_bssap.c:473 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{ACTIVE}: Received Event CLEAR_CMD 20220226175418085 DMSC <0007> bsc_subscr_conn_fsm.c:774 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{ACTIVE}: state_chg to CLEARING 20220226175418085 DMSC <0007> bsc_subscr_conn_fsm.c:775 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{CLEARING}: Releasing all lchans (if any) after BSSMAP Clear Command 20220226175418085 DMSC <0007> lchan_fsm.c:1458 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{CLEARING}: lchan lchan(0-0-0-CCCH_SDCCH4-0)[0x55856030cee0] detaches from conn 20220226175418085 DRR <0002> gsm_04_08_rr.c:323 Sending Channel Release: Chan: Number: 0 Type: 1 RR-Cause: 0x0 'Normal event' 20220226175418085 DRSL <0003> abis_rsl.c:644 (bts=0,trx=0,ts=0,ss=0) DEACTivate SACCH CMD 20220226175418085 DRLL <0000> abis_rsl.c:857 (bts=0,trx=0,ts=0,ss=0) RSL RLL RELEASE REQ (link_id=0x03, reason=1) 20220226175418085 DMSC <0007> osmo_bsc_sigtran.c:390 Tx MSC: BSSMAP: CLEAR COMPLETE 20220226175418085 DMSC <0007> osmo_bsc_sigtran.c:418 Sending connection (id=7) oriented data to MSC: RI=SSN_PC,PC=0.23.1,SSN=BSSAP (00 01 21 ) 20220226175418085 DLSCCP <0020> sccp_scoc.c:1729 Received SCCP User Primitive (N-DATA.request) 20220226175418085 DLSCCP <0020> sccp_scoc.c:1769 SCCP-SCOC(7)[0x55856030ca50]{ACTIVE}: Received Event N-DATA.req 20220226175418085 DLSCCP <0020> sccp_scoc.c:1662 Received CO:RELRE for local reference 7 20220226175418085 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(7)[0x55856030ca50]{ACTIVE}: Received Event RCOC-RELEASED.ind 20220226175418085 DLSCCP <0020> sccp_user.c:175 Delivering N-DISCONNECT.indication to SCCP User 'msc-0' 20220226175418085 DMSC <0007> osmo_bsc_sigtran.c:274 N-DISCONNECT.ind(7, , cause=768) 20220226175418085 DMSC <0007> osmo_bsc_sigtran.c:281 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{CLEARING}: Received Event DISCONNET.ind 20220226175418085 DMSC <0007> bsc_subscr_conn_fsm.c:791 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{CLEARING}: Terminating (cause = OSMO_FSM_TERM_REGULAR) 20220226175418085 DMSC <0007> bsc_subscr_conn_fsm.c:862 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{CLEARING}: FSM instance already terminating, not dispatching event LCLS_FAIL 20220226175418085 DMSC <0007> bsc_subscr_conn_fsm.c:866 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{CLEARING}: Releasing all lchans (if any) because this conn is terminating 20220226175418085 DMSC <0007> bsc_subscr_conn_fsm.c:845 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{CLEARING}: Putting bsc_subscr 20220226175418085 DMSC <0007> bsc_subscr_conn_fsm.c:791 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{CLEARING}: Freeing instance 20220226175418085 DMSC <0007> fsm.c:573 SUBSCR_CONN(msc0-conn7_IMSI515020220004012)[0x558560323460]{CLEARING}: Deallocated 20220226175418085 DLSCCP <0020> sccp_scoc.c:1070 SCCP-SCOC(7)[0x55856030ca50]{ACTIVE}: state_chg to IDLE 20220226175418085 DLSCCP <0020> sccp_scoc.c:517 SCCP-SCOC(7)[0x55856030ca50]{IDLE}: Terminating (cause = OSMO_FSM_TERM_REQUEST) 20220226175418085 DLSCCP <0020> sccp_scoc.c:517 SCCP-SCOC(7)[0x55856030ca50]{IDLE}: Freeing instance 20220226175418085 DLSCCP <0020> fsm.c:573 SCCP-SCOC(7)[0x55856030ca50]{IDLE}: Deallocated 20220226175419767 DNM <0004> abis_nm.c:345 BTS 0 reported connected PCU version 0.8.0.178-b75c2 20220226175424767 DNM <0004> abis_nm.c:345 BTS 0 reported connected PCU version 0.8.0.178-b75c2 20220226175424910 DRLL <0000> chan_alloc.c:240 (bts=0) channel load average is 3.03% 20220226175424910 DRLL <0000> chan_alloc.c:253 (bts=0) T3122 wait indicator set to 10 seconds ========= Phone that doesnt receive sms ========== 20220226173512464 DNM <0004> abis_nm.c:345 BTS 0 reported connected PCU version 0.8.0.178-b75c2 20220226173514434 DRLL <0000> chan_alloc.c:240 (bts=0) channel load average is 0.00% 20220226173514434 DRLL <0000> chan_alloc.c:253 (bts=0) T3122 wait indicator set to 10 seconds 20220226173517464 DNM <0004> abis_nm.c:345 BTS 0 reported connected PCU version 0.8.0.178-b75c2 20220226173519748 DLSCCP <0020> sccp_user.c:175 Delivering N-UNITDATA.indication to SCCP User 'msc-0' 20220226173519748 DMSC <0007> osmo_bsc_sigtran.c:231 N-UNITDATA.ind(00 16 52 08 08 59 51 20 11 27 23 70 04 09 04 38 2a bc 18 1a 03 05 03 f4 ) 20220226173519748 DMSC <0007> osmo_bsc_bssap.c:1259 Rx MSC UDT: 00 16 52 08 08 59 51 20 11 27 23 70 04 09 04 38 2a bc 18 1a 03 05 03 f4 20220226173519748 DMSC <0007> osmo_bsc_bssap.c:1116 Rx MSC UDT BSSMAP PAGING 20220226173519748 DMSC <0007> osmo_bsc_bssap.c:131 Paging request from MSC BTS: 0 IMSI: '515021172320740' TMSI: '0x382abc18/942324760' LAC: 0x3f4 20220226173522006 DRSL <0003> abis_rsl.c:1383 (bts=0) CHAN RQD: reason: answer to paging (ra=0x87, neci=0x01, chreq_reason=0x01) 20220226173522006 DRLL <0000> lchan_select.c:173 (bts=0) lchan_select_by_type(SDCCH) 20220226173522006 DRLL <0000> lchan_select.c:87 looking for lchan CCCH+SDCCH4: (bts=0,trx=0,ts=0,pchan=CCCH+SDCCH4,state=UNUSED) ss=0 is available 20220226173522006 DRSL <0003> abis_rsl.c:476 (bts=0,trx=0,ts=0,pchan=CCCH+SDCCH4,state=IN_USE) Tx RSL Channel Activate with act_type=INITIAL 20220226173522295 DMSC <0007> fsm.c:461 SUBSCR_CONN[0x56450d5e3f80]{INIT}: Allocated 20220226173522295 DMSC <0007> gsm_08_08.c:489 Tx MSC COMPL L3 20220226173522295 DRSL <0003> gsm_08_08.c:232 RR GSM48_MT_RR_PAG_RESP: TMSI-0x382ABC18 matches earlier Paging from msc 0 20220226173522295 DMSC <0007> osmo_bsc_sigtran.c:308 Initializing resources for new SCCP connection to MSC 0: RI=SSN_PC,PC=0.23.1,SSN=BSSAP... 20220226173522295 DMSC <0007> gsm_08_08.c:532 SUBSCR_CONN(msc0-conn4294967295_IMSI515021172320740)[0x56450d5e3f80]{INIT}: Received Event MO-CONNECT.req 20220226173522295 DMSC <0007> osmo_bsc_sigtran.c:350 Allocated new connection id: 5 20220226173522295 DMSC <0007> osmo_bsc_sigtran.c:354 Opening new SCCP connection (id=5) to MSC: RI=SSN_PC,PC=0.23.1,SSN=BSSAP 20220226173522295 DLSCCP <0020> sccp_scoc.c:1729 Received SCCP User Primitive (N-CONNECT.request) 20220226173522295 DLSCCP <0020> fsm.c:461 SCCP-SCOC(5)[0x56450d5e2160]{IDLE}: Allocated 20220226173522295 DLSCCP <0020> sccp_scoc.c:1769 SCCP-SCOC(5)[0x56450d5e2160]{IDLE}: Received Event N-CONNECT.req 20220226173522295 DLSCCP <0020> sccp_scoc.c:830 SCCP-SCOC(5)[0x56450d5e2160]{IDLE}: state_chg to CONN_PEND_OUT 20220226173522295 DMSC <0007> bsc_subscr_conn_fsm.c:286 SUBSCR_CONN(msc0-conn4294967295_IMSI515021172320740)[0x56450d5e3f80]{INIT}: state_chg to WAIT_CC 20220226173522296 DLSCCP <0020> sccp_scoc.c:1662 Received CO:COAK for local reference 5 20220226173522296 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(5)[0x56450d5e2160]{CONN_PEND_OUT}: Received Event RCOC-CONNECT_CONFIRM.ind 20220226173522296 DLSCCP <0020> sccp_scoc.c:981 SCCP-SCOC(5)[0x56450d5e2160]{CONN_PEND_OUT}: state_chg to ACTIVE 20220226173522296 DLSCCP <0020> sccp_user.c:175 Delivering N-CONNECT.confirm to SCCP User 'msc-0' 20220226173522296 DMSC <0007> osmo_bsc_sigtran.c:244 N-CONNECT.cnf(5, ) 20220226173522296 DMSC <0007> osmo_bsc_sigtran.c:247 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{WAIT_CC}: Received Event MO-CONNECT.cfm 20220226173522296 DMSC <0007> bsc_subscr_conn_fsm.c:354 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{WAIT_CC}: state_chg to ACTIVE 20220226173522296 DLSCCP <0020> sccp_scoc.c:1662 Received CO:CODT for local reference 5 20220226173522296 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(5)[0x56450d5e2160]{ACTIVE}: Received Event RCOC-DT1.ind 20220226173522296 DLSCCP <0020> sccp_user.c:175 Delivering N-DATA.indication to SCCP User 'msc-0' 20220226173522296 DMSC <0007> osmo_bsc_sigtran.c:261 N-DATA.ind(5, 00 0b 2f 08 08 59 51 20 11 27 23 70 04 ) 20220226173522296 DMSC <0007> a_reset.c:227 A-RESET(msc-0)[0x56450d5d3700]{CONN}: Received Event EV_N_CONNECT 20220226173522296 DMSC <0007> osmo_bsc_bssap.c:1153 Rx MSC DT1 BSSMAP COMMON ID 20220226173522296 DMSC <0007> osmo_bsc_bssap.c:1099 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{ACTIVE}: Received Event COMMON_ID.ind 20220226173522296 DLSCCP <0020> sccp_scoc.c:1662 Received CO:CODT for local reference 5 20220226173522296 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(5)[0x56450d5e2160]{ACTIVE}: Received Event RCOC-DT1.ind 20220226173522296 DLSCCP <0020> sccp_user.c:175 Delivering N-DATA.indication to SCCP User 'msc-0' 20220226173522296 DMSC <0007> osmo_bsc_sigtran.c:261 N-DATA.ind(5, 01 03 28 09 01 25 01 00 07 91 44 77 58 10 06 50 00 19 20 0c 91 36 39 71 82 34 93 00 00 22 20 62 71 53 91 23 06 f4 f2 9c 0e 92 01 ) 20220226173522296 DMSC <0007> a_reset.c:227 A-RESET(msc-0)[0x56450d5d3700]{CONN}: Received Event EV_N_CONNECT 20220226173522296 DMSC <0007> osmo_bsc_bssap.c:1208 Rx MSC DTAP: 01 03 28 09 01 25 01 00 07 91 44 77 58 10 06 50 00 19 20 0c 91 36 39 71 82 34 93 00 00 22 20 62 71 53 91 23 06 f4 f2 9c 0e 92 01 20220226173522296 DMSC <0007> osmo_bsc_bssap.c:1232 Rx MSC DTAP, SAPI: 3 CHAN: 0 20220226173522296 DMSC <0007> osmo_bsc_bssap.c:1249 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{ACTIVE}: Received Event MT_DTAP 20220226173522296 DRLL <0000> abis_rsl.c:833 (bts=0,trx=0,ts=0,ss=0) RSL RLL ESTABLISH REQ (link_id=0x03) 20220226173522439 DRLL <0000> chan_alloc.c:240 (bts=0) channel load average is 0.20% 20220226173522439 DRLL <0000> chan_alloc.c:253 (bts=0) T3122 wait indicator set to 10 seconds 20220226173522464 DNM <0004> abis_nm.c:345 BTS 0 reported connected PCU version 0.8.0.178-b75c2 20220226173522766 DMSC <0007> gsm_08_08.c:71 Tx MSC SAPI N REJECT DLCI=0x03 20220226173522766 DMSC <0007> gsm_08_08.c:74 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{ACTIVE}: Received Event TX_SCCP 20220226173522766 DMSC <0007> osmo_bsc_sigtran.c:390 Tx MSC: BSSMAP: SAPI N REJECT 20220226173522766 DMSC <0007> osmo_bsc_sigtran.c:418 Sending connection (id=5) oriented data to MSC: RI=SSN_PC,PC=0.23.1,SSN=BSSAP (00 06 25 18 03 04 01 25 ) 20220226173522766 DLSCCP <0020> sccp_scoc.c:1729 Received SCCP User Primitive (N-DATA.request) 20220226173522766 DLSCCP <0020> sccp_scoc.c:1769 SCCP-SCOC(5)[0x56450d5e2160]{ACTIVE}: Received Event N-DATA.req 20220226173522768 DLSCCP <0020> sccp_scoc.c:1662 Received CO:CODT for local reference 5 20220226173522768 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(5)[0x56450d5e2160]{ACTIVE}: Received Event RCOC-DT1.ind 20220226173522768 DLSCCP <0020> sccp_user.c:175 Delivering N-DATA.indication to SCCP User 'msc-0' 20220226173522768 DMSC <0007> osmo_bsc_sigtran.c:261 N-DATA.ind(5, 00 04 20 04 01 09 ) 20220226173522768 DMSC <0007> a_reset.c:227 A-RESET(msc-0)[0x56450d5d3700]{CONN}: Received Event EV_N_CONNECT 20220226173522768 DMSC <0007> osmo_bsc_bssap.c:1153 Rx MSC DT1 BSSMAP CLEAR COMMAND 20220226173522768 DMSC <0007> osmo_bsc_bssap.c:473 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{ACTIVE}: Received Event CLEAR_CMD 20220226173522768 DMSC <0007> bsc_subscr_conn_fsm.c:774 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{ACTIVE}: state_chg to CLEARING 20220226173522768 DMSC <0007> bsc_subscr_conn_fsm.c:775 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{CLEARING}: Releasing all lchans (if any) after BSSMAP Clear Command 20220226173522768 DMSC <0007> lchan_fsm.c:1458 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{CLEARING}: lchan lchan(0-0-0-CCCH_SDCCH4-0)[0x56450d5e4240] detaches from conn 20220226173522768 DRR <0002> gsm_04_08_rr.c:323 Sending Channel Release: Chan: Number: 0 Type: 1 RR-Cause: 0x0 'Normal event' 20220226173522768 DRSL <0003> abis_rsl.c:644 (bts=0,trx=0,ts=0,ss=0) DEACTivate SACCH CMD 20220226173522768 DMSC <0007> osmo_bsc_sigtran.c:390 Tx MSC: BSSMAP: CLEAR COMPLETE 20220226173522768 DMSC <0007> osmo_bsc_sigtran.c:418 Sending connection (id=5) oriented data to MSC: RI=SSN_PC,PC=0.23.1,SSN=BSSAP (00 01 21 ) 20220226173522768 DLSCCP <0020> sccp_scoc.c:1729 Received SCCP User Primitive (N-DATA.request) 20220226173522768 DLSCCP <0020> sccp_scoc.c:1769 SCCP-SCOC(5)[0x56450d5e2160]{ACTIVE}: Received Event N-DATA.req 20220226173522768 DLSCCP <0020> sccp_scoc.c:1662 Received CO:RELRE for local reference 5 20220226173522768 DLSCCP <0020> sccp_scoc.c:1695 SCCP-SCOC(5)[0x56450d5e2160]{ACTIVE}: Received Event RCOC-RELEASED.ind 20220226173522768 DLSCCP <0020> sccp_user.c:175 Delivering N-DISCONNECT.indication to SCCP User 'msc-0' 20220226173522768 DMSC <0007> osmo_bsc_sigtran.c:274 N-DISCONNECT.ind(5, , cause=768) 20220226173522768 DMSC <0007> osmo_bsc_sigtran.c:281 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{CLEARING}: Received Event DISCONNET.ind 20220226173522768 DMSC <0007> bsc_subscr_conn_fsm.c:791 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{CLEARING}: Terminating (cause = OSMO_FSM_TERM_REGULAR) 20220226173522768 DMSC <0007> bsc_subscr_conn_fsm.c:862 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{CLEARING}: FSM instance already terminating, not dispatching event LCLS_FAIL 20220226173522768 DMSC <0007> bsc_subscr_conn_fsm.c:866 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{CLEARING}: Releasing all lchans (if any) because this conn is terminating 20220226173522768 DMSC <0007> bsc_subscr_conn_fsm.c:845 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{CLEARING}: Putting bsc_subscr 20220226173522768 DMSC <0007> bsc_subscr_conn_fsm.c:791 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{CLEARING}: Freeing instance 20220226173522768 DMSC <0007> fsm.c:573 SUBSCR_CONN(msc0-conn5_IMSI515021172320740)[0x56450d5e3f80]{CLEARING}: Deallocated 20220226173522768 DLSCCP <0020> sccp_scoc.c:1070 SCCP-SCOC(5)[0x56450d5e2160]{ACTIVE}: state_chg to IDLE 20220226173522768 DLSCCP <0020> sccp_scoc.c:517 SCCP-SCOC(5)[0x56450d5e2160]{IDLE}: Terminating (cause = OSMO_FSM_TERM_REQUEST) 20220226173522768 DLSCCP <0020> sccp_scoc.c:517 SCCP-SCOC(5)[0x56450d5e2160]{IDLE}: Freeing instance 20220226173522768 DLSCCP <0020> fsm.c:573 SCCP-SCOC(5)[0x56450d5e2160]{IDLE}: Deallocated ======== Osmo-bts-trx config ! ! OsmoBTS () configuration saved from vty !! ! log stderr logging color 1 logging timestamp 0 logging level rsl notice logging level oml notice logging level rll notice logging level rr notice logging level meas error logging level pag error logging level l1c error logging level l1p error logging level dsp error logging level abis error logging level loop debug ! line vty no login ! phy 0 instance 0 !COMMENT HERE FOR DEFAULT JOJO osmotrx rx-gain 50 osmotrx tx-attenuation 0 !osmotrx rx-gain 10 !osmotrx tx-attenuation oml !osmotrx maxdly 20 osmotrx ip local 127.0.0.1 osmotrx ip remote 127.0.0.1 bts 0 band 900 ipa unit-id 1012 0 oml remote-ip 127.0.0.1 gsmtap-sapi ccch gsmtap-sapi pdtch !ADDED FOR TEST JOJO gsmtap-sapi bcch gsmtap-sapi rach gsmtap-sapi agch gsmtap-sapi sdcch gsmtap-sapi sacch uplink-power-target -110 trx 0 !ms-power-control osmo !power-ramp max-initial 0 dBm !power-ramp step-size 2000 dB !power-ramp step-interval 10 phy 0 instance 0 ========= Osmo-bsc config ========= ! Configuration rendered by osmo-gsm-tester log stderr logging filter all 1 logging color 1 logging print category 1 logging print extended-timestamp 1 logging level all debug line vty no login bind 127.0.0.1 ctrl bind 127.0.0.1 e1_input e1_line 0 driver ipa ipa bind 127.0.0.1 network network country code 515 mobile network code 02 encryption a5 0 neci 1 handover 0 handover window rxlev averaging 10 handover window rxqual averaging 1 handover window rxlev neighbor averaging 10 handover power budget interval 6 handover power budget hysteresis 4 handover maximum distance 9999 allow-unusable-timeslots bts 0 type sysmobts band 900 cell_identity 1012 location_area_code 1012 training_sequence_code 1 base_station_id_code 1 channel-description attach 0 !ms max power 40 cell reselection hysteresis 4 rxlev access min 0 channel allocator ascending rach tx integer 9 rach max transmission 7 ip.access unit_id 1012 0 oml ip.access stream_id 255 line 0 gprs mode none no force-combined-si trx 0 rf_locked 0 arfcn 27 !nominal power 40 nominal power 80 ! to use full TRX power, set max_power_red 0 max_power_red 0 rsl e1 tei 0 timeslot 0 phys_chan_config CCCH+SDCCH4 hopping enabled 0 timeslot 1 phys_chan_config SDCCH8 hopping enabled 0 timeslot 2 phys_chan_config TCH/F hopping enabled 0 timeslot 3 phys_chan_config TCH/F hopping enabled 0 timeslot 4 phys_chan_config TCH/F hopping enabled 0 timeslot 5 phys_chan_config TCH/F hopping enabled 0 timeslot 6 phys_chan_config TCH/F hopping enabled 0 timeslot 7 phys_chan_config PDCH hopping enabled 0 msc 0 !ip.access rtp-base 25000 no bsc-welcome-text no bsc-msc-lost-text no bsc-grace-text type normal allow-emergency allow !codec-list fr1 !amr-config 12_2k forbidden !amr-config 10_2k forbidden !amr-config 7_95k forbidden !amr-config 7_40k forbidden !amr-config 6_70k forbidden !amr-config 5_90k forbidden !amr-config 5_15k forbidden !amr-config 4_75k forbidden mgw remote-ip 127.0.0.1 mgw remote-port 2427 !mgw endpoint-range 1 31 mgw local-ip 127.0.0.1 bsc mid-call-timeout 0 ========== Osmo-msc config ========== ! ! OsmoMSC configuration saved from vty ! log stderr logging filter all 1 logging color 0 logging print category 1 logging timestamp 1 logging level all everything logging level rll notice logging level cc notice logging level mm notice logging level mm debug logging level rr notice logging level pag notice logging level msc notice logging level mgcp notice logging level ho notice logging level ref notice logging level ctrl notice logging level lglobal notice logging level llapd notice logging level linp notice logging level lmux notice logging level lmi notice logging level lmib notice logging level lsms notice logging level lctrl notice logging level lgtp notice logging level lstats notice logging level lgsup notice logging level loap notice logging level lss7 notice logging level lsccp notice logging level lsua notice logging level lm3ua notice logging level lmgcp notice logging level all debug line vty no login bind 127.0.0.1 ! network network country code 515 mobile network code 02 short name GLOBE long name GLOBE encryption a5 0 rrlp mode none mm info 1 timezone 8 0 msc mgw remote-ip 127.0.0.1 mgw remote-port 2427 mgw local-ip 127.0.0.1 !mgw endpoint-range 1 31 !mgw bts-base 8000 assign-tmsi cs7-instance-a 0 check-imei-rqd early !timer vlr T3212 1 ctrl bind 127.0.0.1 mncc-int default-codec tch-f fr default-codec tch-h hr hlr remote-ip 127.0.0.1 smpp local-tcp-port 2775 policy accept-all smpp-first esme bhat password bhat default-route

3 2

Pysim error: SW match failed
by Martin Nagy 16 Aug '25

16 Aug '25

Hi all, After buying a super Sim Kit (16 in 1) from China, I tried the reader (green PCB inside a blue transparent plastic case with a blue LED) and SIM (identified as a fakesupersim) with pysim tool. However i am getting the following error: /pySim-prog.py -n 26C3 -c 49 -x 262 -y 42 -z 1234 -j 1 -t auto Insert card now (or CTRL-C to cancel) Autodetected card type fakemagicsim Generated card parameters : > Name : 26C3 > SMSP : e1ffffffffffffffffffffffff058100945555ffffffffffff000000 > ICCID : 8949262427518313026 > MCC/MNC : 262/42 > IMSI : 262422461512085 > Ki : 7b74741a1ee14337ec23f9ab92a13648 > OPC : ccd867d60797d8d45354a51b3ef568ff Programming ... Traceback (most recent call last): File "./pySim-prog.py", line 530, in <module> card.program(cp) File "/home/nadicek/pysim/pysim/pySim/cards.py", line 231, in program self._scc.update_binary('6f30', hplmn + 'ff' * (tl-3)) File "/home/nadicek/pysim/pysim/pySim/commands.py", line 53, in update_binary return self._tp.send_apdu_checksw(pdu) File "/home/nadicek/pysim/pysim/pySim/transport/__init__.py", line 87, in send_apdu_checksw raise RuntimeError("SW match failed ! Expected %s and got %s." % (sw.lower(), rv[1])) RuntimeError: SW match failed ! Expected 9000 and got 9804. I checked mailing lists and haven’t found anybody who had similar problem with pysim. Also I have tried forcing different models of SIM, but nothing is working. Obviously I can remove this check from the script file (__init__.py in /pySim/transport), however somebody had a reason to put such condition there. I would like to ask if it is safe to remove that line of code and the purpose of that line of code. Thanks a lot and best regards Martin

3 3

pycrate repo update
by benoit michau 21 Jul '25

21 Jul '25

Dear osmocom developpers, This is just to let you know that the Python library pycrate has a new home : https://github.com/pycrate-org/pycrate. The packages on Pypi are now feeded from there. This library can be used in many cases dealing with mobile signalling. I wanted to let you know, as even if I am not aware of any osmocom projects depending on it, some of you may use the library from time to time, or could have local applications depending on it. Best Regards Benoit

2 1

Re: Help with sccp library
by mosbah abdelkader 07 Jul '25

07 Jul '25

> I don't understand. This callback will be called with data you need to write > to the network. In case of MTP Level3 you will need to wrap that around the > msgb you got. I means: is the interaction with mtp3 layer implemented (is sending sccp data by mtp3 implemented by the library?)? Also, what about the reception of data from mtp3 layer. is that implemented in the sccp lib. I am asking these questions because I see the code of mtp3 in the lib but no significant call is present in the sccp part of the lib. Thank you for your help.

4 3

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