OpenBSC

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4277 discussions

question!
by Cattalina Maria 16 Jun '18

16 Jun '18

Hello. I have some problems.I want to create a GSM network for my final diploma project for University.I'm using USRP2 and I haven't find any specific configuration files for this type of USRP.Do you have any configuration files for USRP2? I'm running Kali Linux (amd64). I've attached the config files that I've used from osmocom.org and some printscreens.Sorry for my English.I'm looking forward for your response.Thank you!

3 2

Osmo-bts "shutdown timer expired"
by Георгий Прайзендорф 16 Jun '18

16 Jun '18

Hi, sorry for my English. I installed osmocombb on Kali rolling. When i'm trying to start my own bts, it works for 4 seconds, then i can see message "Shutdown timer expired". Bellow you can see my config files. 1 screenshot - 2 trx firmware on motorola c115. 2 screenshot, left - follow the commercial BTS timer, right - starting MSC, SMS, HLR. 3 screenshot - starting osmo-bts. 4 screen - my problem. I can connect with telnet to BSC and BTS, but BTS - only for this 4 seconds, when it's up. I didn't replaced filters on motorola, is it my problem? Or i just need to install smth more? Also, if i write to the wrong mail list, tell me please where should i write with my problem?

2 1

Regarding Programming SIM cards
by Ferdaus, Farah 14 Jun '18

14 Jun '18

Hi there, I have built and installed the requirements for OpenBTS and my USRP (Ettus N210) is responding but now I am stuck at SIM card stage. I am trying to program a Super SIM 16-in-1 using the Insten_USB_SIM_Card_Writer<https://www.amazon.com/Insten-Reader-Writer-Backup-Phone/dp/B0188GHIP2/ref=…> and following the steps mentioned here<http://openbts.org/w/index.php?title=ProgrammingSIMcards> and here<http://osmocom.org/projects/pysim/wiki> but unable to write the sim card. Every time I run the pcsc_scan command it stops working. Below is the output. "wslopenbts@wslopenbts-desktop:~$ pcsc_scan PC/SC device scanner V 1.4.25 (c) 2001-2011, Ludovic Rousseau <ludovic.rousseau(a)free.fr> Compiled with PC/SC lite version: 1.8.14 Using reader plug'n play mechanism Scanning present readers... Waiting for the first reader...^C" The problem seems that the PC is not getting the SIM card reader. But the SIM card reader was plugged into the PC while running the command and the LED turned red which indicate it was getting the power from the PC. Do you think, buying another new SIM card reader can resolve the issue? I can test by buying another SIM and SIM card reader; Do any of you have any suggestion for the SIM and SIM card reader, particularly which one will be good? Finally, any guideline for me regarding programming the SIM card. I will be very grateful if you help me by giving suggestions to resolve my issue. Can anyone please help me regarding this issue. Thanks in advance Best Regards, Farah

3 3

osmo-trx-lms
by Antony Lemmens 05 Jun '18

05 Jun '18

Hello folks, I had trouble with the osmo-trx-uhd and LimeSDR (like in Bug #2723), so I tried the branch "laforge/lime". The result is that the LimeSDR apparently transmit successfully data (my MS display correctly the MCC/MNC and the spectro shows the correct frequency) but it seems that the LimeSDR/driver/not-sure-what does not receive any signal in return. I know that my complete hardware and software setup (cables, tem cell, spectro) is OK because it works fine with the Fairwaves UmTRX board. The LimeSuiteGUI shows some problems with the RX calibration, but if I do a full reset to default settings from the GUI, it works fine (so I suppose that the problem does not come from the LimeSDR board itself). If I restart osmo-trx-lms, it cause the problem again. Is there some specific settings to do in osmo-trx.cfg to make it work? I know that it is a work in progress, and if you need some feedback or tests, do not hesitate to ask. Have a nice day, Antony

2 1

ABIS over IuB SCTP
by Borjan Jovanovski 04 Jun '18

04 Jun '18

Hi everyone, i would like to know if it is possible to connect a bts which uses abis over sctp to OpenBSC and if so i would kindly ask for an explenation on how to do that. Kind thanks.

3 9

nanoBTS constantly restarting
by Michael Spahn 02 Jun '18

02 Jun '18

Hello all, I have recently tried migrating an OsmoNITB setup to the new standard using mostly this guide right here: https://osmocom.org/projects/cellular-infrastructure/wiki/Osmocom_Network_I… <https://osmocom.org/projects/cellular-infrastructure/wiki/Osmocom_Network_I…> However, while my nanoBTS works perfectly fine in the old setup, it just doesn not work at all in the new one. When I start osmo-bsc the LED on the BTS starts flashing green after a few seconds and then stops flashing and just stays green all the time, which is the expected behaviour. Unfortunately though, after another couple of seconds, the LED starts flashing green again and then turns red. This is what the log shows: BTS 0: Failure Event Report: Type=processing failure, Severity=critical failure, Probable cause=Manufacturer specific values: Fatal software error, Additional Text=l2_bch.c:1154 **** ** l2_bch.c#1154:BCHbcchSItypeValid( prim_p->infoType ) ** IPA_SW_FATAL_ERROR ** In task "TRX Proc:L2_BCH" @ (1063). **** 　 . BTS 0: Failure Event Report: Type=processing failure, Severity=critical failure, Probable cause=Manufacturer specific values: Fatal software error, Additional Text=TRX Proc:L2_BCH:l2_bch.c#1154 (1063). BTS 0: Failure Event Report: Type=processing failure, Severity=warning level failure, Probable cause=Manufacturer specific values: Software warning, Additional Text=31385:WARN:OAM_RES:trx_fatal_error_log.c#255:TRX has logged the error: 　 . BTS 0: Failure Event Report: Type=processing failure, Severity=warning level failure, Probable cause=Manufacturer specific values: Software warning, Additional Text=31385:WARN:OAM_RES:trx_fatal_error_log.c#256:TRX Proc:L2_BCH:l2_bch.c#1154 (1063) . BTS 0: Failure Event Report: Type=processing failure, Severity=critical failure, Probable cause=Manufacturer specific values: Fatal software error, Additional Text=BCHbcchSItypeValid( prim_p->infoType ). BTS 0: Failure Event Report: Type=processing failure, Severity=warning level failure, Probable cause=Manufacturer specific values: Software warning, Additional Text=31385:WARN:OAM_RES:trx_fatal_error_log.c#260:BCHbcchSItypeValid( prim_p->infoType ) 　 20180328072641280 DLINP <0013> input/ipaccess.c:247 Sign link vanished, dead socket 20180328072641281 DLINP <0013> input/ipaccess.c:71 Forcing socket shutdown with no signal link set 20180328072641282 DCTRL <000e> osmo_bsc_ctrl.c:160 No more BTS connected, sending TRAP. 　 Now I'm not claiming that my config is already 100% correct but I feel like this isn't a configuration issue. I'm using the most recent nightly builds of the entire osmocom library. Does anyone know what could be at fault here? Kind regards, Michael Spahn

4 9

React to IMSI Attach but not PERIODIC
by Keith Whyte 31 May '18

31 May '18

Hi All, I have a use case where I'd like to react to MS connecting to the network, that is on initial IMSI ATTACH. We already have the SMPP alert notification mechanism which can be used, but unfortunately in SMPP the ms_availability_status only has 3 posible values in the spec: 0: Available 1: Denied 2: Unavailable. So currently if I react to status 0, this would also happen on periodic LURs I could keep state separately but that sounds prone to errors. The external process reacting to the alert notification could try somehow to get the previous status from HLR or database, but that sounds like a race condition. One possibility might be to extend this with a further custom value 3: Available (Initial Attach) or some such? Any thoughts?

4 9

UICC with ISIM application
by Tomcsányi, Domonkos 30 May '18

30 May '18

Hello All, Sorry if this is an off-topic question, but I was wondering: does anyone know of any carrier that actually uses a UICC ('SIM card') with the ISIM application installed? So far all cards I saw have only USIM, maybe CSIM on them. I'd like to extend Benoit's card library with ISIM support, but there is no way to test my code right now, so I'm thinking about buying maybe a card. Thanks. Domi

3 3

Writing FPLMS to SIM
by Keith Whyte 28 May '18

28 May '18

Hi all Somebody mentioned recently (at osmodevcon was it?) about writing to the FPLMNS list to avoid service loss due to LUR reject cause 11 (I think?) I notice we don't seem to have this an a option in pySim-prog.py, so I am wondering what tool was used? Thanks! (I noted the commented FIXME section for HPLMN in pySim.read.py and from there was able to modify read address and read and decipher the FPLMN list, although i did not get a nice readable output format yet.)

3 3

Re: Compiler Error OsmocomTRX
by Babar Ali 28 May '18

28 May '18

I received following error while compling osmo-trx on rasbian, i have already build libosmocore-0-11-0 from source and installed but despite this still unable to compile osmo-trx, any one can help to resolve the issue! configure: error: Package requirements (libosmocore >= 0.11.0) were not met: Requested ‘libosmocore >= 0.11.0’ but version of Osmocom Core Library is UNKNOWN Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix.” I have already build following components on Rasbian from source successfully LimeSuite SoapySDR SoapyUHD libosmocore-0.11.0/ libosmocore-0.96.0 RegardsBabar

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