OpenBSC

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4315 discussions

OpenBSC with Dahdi+Asterisk and several BTS
by Ellen Apolinar 18 Jun '12

18 Jun '12

Hey folks, I am new with OpenBSC and want to build OpenBSC with several BTS from different types. At first what I need: I want to test OpenBSC without a BTS just to see if the installation worked successfully. Also I need to know what I have to do if I want to use a BTS which isn't configured yet. What we want to do in the end is to test the BTS with a selfmade programm. For this we need an interface between the hardware BTS and the pc. What I have: Ubuntu 11.10 Kernel 3.0.22 several BTS (Siemens BS60/BS240, Nokia Citytalk, Alcatel G9100 etc...) HFC-E1 card from Cologne Chip OpenBSC Asterisk 1.8.4.4 + Web-GUI (Asterisk NOW 2.0) Dahdi 2.4.1 Libpri 1.4 mISDN v2.x mISDNuser 2.0.11 LCR 1.7 Twinkle, Wireshark etc. Why mISDN + Dahdi: First I tried to use mISDn + mISDNuser + LCR for a connection between OpenBSC and Asterisk. mISDN was integrated in the Kernel so I thought it's the best idea to use it. I installed mISDNuser and LCR but there are several problems. For further informations you can have a look here: http://www.ip-phone-forum.de/showthread.php?t=247932 Because of the problems mit LCR/chan_LCR and Asterisk I decided to use Dahdi because it's also installed since I installed Asterisk. Asterisks works fine with the softphones which I created with Twinkle and also the Asterisk GUI works without problems. To use Dahdi: modprobe -r hfcmulti modprobe -r mISDN_core /etc/init.d/dahdi restart /etc/dahdi/system.conf: dchan=1 bchan=2-30 openbsc.cfg: e1_input e1_line 0 driver dahdi To start OpenBSC: cd /etc/openbsc/src/osmo-nitb ./osmo-nitb Error: <0005> bsc_init.c:493 Failed to parse the config file: 'openbsc.cfg' So now I'm not sure what to do because I'm not sure what exactly is wrong and if it could work without a BTS. There are enough informations if I want to test a BS11 or a nanoBTS but I'm a little bit lost how to work with another BTS. In the next day I will get the traces from the several BTS to build an interface between BTS and OpenBSC so I can build the openbsc.cfg-file. But it would be great if it is possible to test OpenBSC before I get the traces. To get a connection between OpenBSC and Astrisk with Dahdi is a problem which I should solve by myself. There should be enough information in the internet. if you have questions or need more informations just write an e-mail. Best regards and thanks in advance. It would be great if someone could help me or give me some advice what I could do. Ellen

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GPRS Gb code (NS/BSSGP) to libosmocore.git / PCU
by Harald Welte 18 Jun '12

18 Jun '12

Hi all! For some time, Ivan of Fairwaves has been working on PCU code for OpenBTS. In order to not have to re-implement NS/BSSGP, he used the openbsc/src/libgb/* code that we already had as part of openbsc.git I've now finally found some time and completely separated this code from all the dependencies to openbsc stuff and migrated it as new "libosmogb" into the libosmocore.git repository. This has been done with git filter-branch, and thus the history has been preserved during the migration. All Gb code has now been removed from openbsc.git. This separation has been much more painful than anticipated (especially on the BSSGP side), and the result is not very clean either. I hope to get back and clean this up further at some point, providing a better interface between applications and the library. Ivan's PCU code is now in osmo-pcu.git on git.osmocom.org, and I've also already ported it over to use the shared libosmogb. The latter is not yet pushed, but I'll do that soon. I've also removed any other direct include and/or linking against openbsc/osmo-sgsn/openggsn, so the PCU can now build fully autonomously, just linking against the shared libosmo{core,gsm,vty,gb}. Next upcomig will be the support of osmo-bts (sysmoBTS hardware) from osmo-pcu. Andreas Eversberg has been contracted by sysmocom to spend some time on this. There is also a new osmocom-pcu(a)lists.osmocom.org mailing list for those interested specificall in GPRS PCU issues. We thought it is best to keep it separate, as it will be of interest to people from the OpenBSC as well as the OpenBTS communities, and list-crossposting might not be the best thing to do. 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)

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Query OpenBTS
by Manan Bhatt 10 Jun '12

10 Jun '12

Hi all, I am currently trying to implement GSM Test-bed. I am having gnuradio 3.3.0 openBTS-UHD 2.8. Both are installed successfully. I have USRP1 with one daughter board RFX900 and antenna is connected to TX/RX. I have given --wuth-usrp1 and --with-singledb as argument to ./configure of OpenBTS. I have configured Tranceiver52M also. When i probe the usrp it is giving me frequency as 64MHz. My problem is when i run OpenBTS ,it is giving error like Starting the system... 1339228185.9317 ALARM 3079269056 ControlCommon.cpp:658:load: TMSITable cannot open TMSITable.txt for reading 1339228185.9319 ALARM 3079269056 OpenBTS.cpp:517:main: OpenBTS starting, ver 2.6PUBLIC build date Jun 9 2012 1339228185.9384 FORCE 3077736672 Logger.cpp:196:gLogInit: Setting initial global logging level to NOTICE 1339228191.0458 ALARM 3077827440 USRPDevice.cpp:555:setRxFreq: set RX: 900200000.0000failed baseband freq: 897000000.0000 DDC freq: -3200000.0000 residual freq: 0.0030 1339228191.0461 ALARM 3077827440 Transceiver.cpp:540:driveControl: RX failed to tune 1339228191.0463 ALARM 3079269056 TRXManager.cpp:348:tune: RXTUNE failed with status 1 1339228191.0467 ALARM 3079269056 TRXManager.cpp:401:powerOn: POWERON failed with status 1 1339228191.0470 ALARM 3079269056 TRXManager.cpp:415:setPower: SETPOWER failed with status 1 1339228191.5256 ALARM 3079269056 TRXManager.cpp:415:setPower: SETPOWER failed with status 1 1339228191.526095 3079269056: Welcome to OpenBTS. Type "help" to see available commands. OpenBTS> 1339228193.5264 ALARM 3035151216 TRXManager.cpp:415:setPower: SETPOWER failed with status 1 1339228196.5294 ALARM 3070430064 TRXManager.cpp:90:clockHandler: TRX clock interface timed out, assuming TRX is dead. Please anyone can guide we what is the problem.May be it is related to 52MHz and 64MHz frequency difference or problem with my daughter board. -- Regards, Manan Bhatt M. Tech. Dept of Computer sci & Eng. NIT,Surathkal.

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OpenBSC+LCR problem
by Arturo Rivas 08 Jun '12

08 Jun '12

Hi list! I have a installation problem with OpenBSC+LCR. I tried to install it following tutorial in the wiki and not working. I have some problem and I probe to install in various unix version Ubuntu based but I can't. I believe that codes are changing and tutorial doesn't work. Someone have installed OpenBSC+LCR recently? Pleased tell me how! In addiction, I need to know if there are documentation about the codes to complain how it work to study the program and understand it. Are there documentation available? Thank you!

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How to register subscribers in HLR/Asterisk?
by Arturo Rivas 08 Jun '12

08 Jun '12

Hello list!!! I'm trying to register subscribers but I can't. In terminal I write: 'subscriber imsi <imsi> authorized 1' but say that doesn't found this subscriber... I tried with the SIM attached in network but doesn't work. BS, Arturo Rivas.

1 0

LCR compilation problem
by Arturo Rivas 08 Jun '12

08 Jun '12

Hi! I'm trying to install OpenBSC+LCR. I'm following the next tutorial: http://openbsc.osmocom.org/trac/wiki/OpenBSC_LCR I have installed libosmocore and openbsc but I can't install lcr. I tried to apply patch from tutorial but it doesn't works, maybe version is so old because gsm_bs.cpp is not the same. When run configure terminal shows: configure: error: in '/home/rivas/OpenBSC/lcr' configure: error: --with-asterisk was given, but test for header-file asterisk/compiler.h failed I have new Ubuntu 12.04 and I have install asterisk from apt-get repository. Someone can help me? Also I need to know if there is a tutorial recently actualized. Best regards, Arturo Rivas.

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Osmocom-Erlang code
by Duncan Smith 05 Jun '12

05 Jun '12

Hi, I'm presently attemping to work with the code here: <http://cgit.osmocom.org/cgit/erlang>. I've followed the instructions in <http://cgit.osmocom.org/cgit/erlang/mgw_nat/tree/INSTALL>, the section titled "Installation procedure (manual)". So far, I've gotten osmo_ss7 to build, and I'm figuring out how to use it. However, osmo_map depends on signerl, and I can't for the life of me figure out how to build signerl properly. Is there something I'm missing? (I just started working with Erlang this week, so I may be missing something completely obvious.) I think the main issue is the makefiles aren't putting generated asn.1 code in places that Erlang expects to see headers and code, and the makefiles don't chain together. :) Thanks! -- Duncan Smith http://xrtc.net/f/

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First version of Erlang based telnet server
by M. Josenhans 29 May '12

29 May '12

Hello, while there there is a comandline interface for openbsc to configure the BSC software, until now there has been nothing comparable as user interface for the osmocom/Erlang code. This has changed. Here is a first version of an Erlang written command-line interface: https://github.com/josemic/Erlang-command-line-interface Be aware that there is currently only dummy data presented. It has not yet been integrated with the osmocom/Erlang code. Please test and provide feedback. For installation instructions please see github wiki pages. Br, Michael

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Uncaught bounce notification
by mailman-bounces＠lists.osmocom.org 25 May '12

25 May '12

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sim
by Hans Witvliet 24 May '12

24 May '12

Hi all, Perhaps i am completely mistaken.. If so, please make it a "learning-moment" for me ;-) Is it possible to crate your own SIM's ? As far as i can see, these are just small smartcards. And as such, thse can be filled with the tools that come along with OpenSC. I presume the SIM's contain a number of EF's and DF's One set that thighs a SIM to a specific operator (making it possible to SIM-lock a handy) And another set of EF's that identifies a specific user. Within the DB of the operator, the relation between the SIM-identifier and the specific user (with his 06-number and other info) is made. (I know that the sim itself is not unique, because a college had a malfuntioning SIM, and it was replaced by another one, with the same content) Reason why i want to fill my own sims is this; For one of our projects we are using certificates on a smartcard. Currently full-sized, but we think of putting it on a sim-sized card. And use it in a dongle along with 2Gb (bootable) flash storage. So my questions are: 1) can you burn your own sim's 2) would there be any objections to have, beside de GSM-info, also a certificate 3) could you "clone" an existing SIM? With regard to the last one: If i buy a couple of prepaid-sims from a operator, would it be possible to extract that info, and put it along with my own certificates on a sim of my own? Obviously, it is no use to contact the help desks of kpn, tele2, or vodafone at this moment. But _if_ their are no technical limitations i could do a test with some of our own BTS'es. And if that pilot works, we have a business case for any interested operator. Hans

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