OpenBSC

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4315 discussions

OpenBSC CDMA Support
by Nick Khamis 05 Jun '13

05 Jun '13

Hello Everyone, We just purchased a Nokia wcdma unit, and probably a unit missing many parts... And was wondering if OpenBSC has support or even partial support for cdma air interface? Kind Regards, Nick from Montreal.

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Bounce action notification
by mailman＠lists.osmocom.org 05 Jun '13

05 Jun '13

This is a Mailman mailing list bounce action notice: List: OpenBSC Member: situsaja(a)bshellz.net Action: Subscription disabled. Reason: Excessive or fatal bounces. The triggering bounce notice is attached below. Questions? Contact the Mailman site administrator at mailman(a)lists.osmocom.org.

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SimpleHLR: A web interface for OpenBSC
by Peter Caprioli 03 Jun '13

03 Jun '13

Hello everyone, I've just finnished writing together a small web interface for the OpenBSC HLR. It allows you to modify various parameters in the database and also provides a set of functions to modify the HLR or sending SMSes in your own scripts. The project is still very alpha but it seems to work reasonably good. Feel free to give any feedback! Screenshots and source code is available on my website: https://stormhub.org/simplehlr/ -- *Best regards, Peter Caprioli*

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Hello from Montreal
by Nick Khamis 03 Jun '13

03 Jun '13

Hello Everyone, Random weekend googling brought my attention to the very interesting projects of OpenBSC, Osmocom etc.. My background started off on a good foot in EE, and quickly spiraled downwards into the uninteresting world of information system or business applications with many lines of code written etc.. I still don't know how that happened, but lets blame it on demand.... Upon completing my research as a masters student, my specializations veered towards Natural Language Processing, Machine Learning, Semantic Web etc.. which was a little more interesting with formal concepts and so on. Manage to published papers, and even a book: http://scholar.google.ca/citations?user=lh6e3q0AAAAJ&hl=en http://www.amazon.com/Applying-Computational-Linguistics-API-Documentation/… Moving forward, and the PURPOSE for my email is I would really like to sink my teeth into the mysterious world of GSM, be it at the node side (i.e., cell phone, bank or via rail train) and the base station side or whatever... Maybe even devise a possible PhD topic funded by a research lab here in Canada. Security topics and exploitations are heavily funded here by DoD and so on, the trick really comes down to wording.... Anyhow, I am afraid that any more chatter may be perceived as "noise" so let's just call this the hello world of emails, and hope it's welcomed and not scrutinized for taking away from valuable development time, at which point I do apologize! Kind Regards, Ninus from the land of 1900Mhz and T1 networks

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Using FakeBTS
by Priyanka Behl 31 May '13

31 May '13

Hi everyone, I have this 1 question: is it possible to have a complete communicating network with FakeBTS runing on 1 machine and all other processes on the other? (I have asked this question earlier but have not received any answer as yet. can somebody please care to reply, its a little urgent) Thanks and regards Priyanka

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[PATCH] rsl: fix the unaligned memory access
by Nicolas J. Bouliane 29 May '13

29 May '13

the armv5 can do 32bit/16bit reads only from the aligned address use tlv.h macro to copy data to local variable Signed-off-by: Nicolas J. Bouliane <nicolas.bouliane(a)nutaq.com> --- src/common/rsl.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) diff --git a/src/common/rsl.c b/src/common/rsl.c index 9a50a33..5a1b867 100644 --- a/src/common/rsl.c +++ b/src/common/rsl.c @@ -1089,7 +1089,6 @@ static int rsl_tx_ipac_XXcx_ack(struct gsm_lchan *lchan, int inc_pt2, { struct msgb *msg; uint8_t chan_nr = gsm_lchan2chan_nr(lchan); - uint32_t *att_ip; const char *name; struct in_addr ia; @@ -1116,8 +1115,7 @@ static int rsl_tx_ipac_XXcx_ack(struct gsm_lchan *lchan, int inc_pt2, /* locally bound IP */ msgb_v_put(msg, RSL_IE_IPAC_LOCAL_IP); - att_ip = (uint32_t *) msgb_put(msg, sizeof(uint32_t)); - *att_ip = htonl(lchan->abis_ip.bound_ip); + msgb_put_u32(msg, lchan->abis_ip.bound_ip); /* locally bound port */ msgb_tv16_put(msg, RSL_IE_IPAC_LOCAL_PORT, @@ -1199,11 +1197,9 @@ static int tx_ipac_XXcx_nack(struct gsm_lchan *lchan, uint8_t cause, return -ENOMEM; if (inc_ipport) { - uint32_t *att_ip; /* remote IP */ msgb_v_put(msg, RSL_IE_IPAC_REMOTE_IP); - att_ip = (uint32_t *) msgb_put(msg, sizeof(uint32_t)); - *att_ip = htonl(lchan->abis_ip.connect_ip); + msgb_put_u32(msg, lchan->abis_ip.connect_ip); /* remote port */ msgb_tv16_put(msg, RSL_IE_IPAC_REMOTE_PORT, @@ -1248,8 +1244,8 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg) struct gsm_lchan *lchan = msg->lchan; struct gsm_bts_role_bts *btsb = bts_role_bts(msg->lchan->ts->trx->bts); const uint8_t *payload_type, *speech_mode, *payload_type2; - const uint32_t *connect_ip; - const uint16_t *connect_port; + uint32_t connect_ip = 0; + uint16_t connect_port = 0; int rc, inc_ip_port = 0, port; char *name; @@ -1267,8 +1263,14 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg) speech_mode = TLVP_VAL(&tp, RSL_IE_IPAC_SPEECH_MODE); payload_type = TLVP_VAL(&tp, RSL_IE_IPAC_RTP_PAYLOAD); payload_type2 = TLVP_VAL(&tp, RSL_IE_IPAC_RTP_PAYLOAD2); - connect_ip = (uint32_t *) TLVP_VAL(&tp, RSL_IE_IPAC_REMOTE_IP); - connect_port = (uint16_t *) TLVP_VAL(&tp, RSL_IE_IPAC_REMOTE_PORT); + + if (TLVP_PRESENT(&tp, RSL_IE_IPAC_REMOTE_IP)) { + connect_ip = tlvp_val32_unal(&tp, RSL_IE_IPAC_REMOTE_IP); + } + + if (TLVP_PRESENT(&tp, RSL_IE_IPAC_REMOTE_PORT)) { + connect_port = tlvp_val16_unal(&tp, RSL_IE_IPAC_REMOTE_PORT); + } if (dch->c.msg_type == RSL_MT_IPAC_CRCX && connect_ip && connect_port) inc_ip_port = 1; @@ -1350,14 +1352,14 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg) /* Special rule: If connect_ip == 0.0.0.0, use RSL IP * address */ - if (*connect_ip == 0) { + if (connect_ip == 0) { struct ipabis_link *link = lchan->ts->trx->rsl_link; ia.s_addr = htonl(link->ip); } else - ia.s_addr = *connect_ip; + ia.s_addr = connect_ip; rc = osmo_rtp_socket_connect(lchan->abis_ip.rtp_socket, - inet_ntoa(ia), ntohs(*connect_port)); + inet_ntoa(ia), ntohs(connect_port)); if (rc < 0) { LOGP(DRSL, LOGL_ERROR, "%s Failed to connect RTP/RTCP sockets\n", @@ -1370,7 +1372,7 @@ static int rsl_rx_ipac_XXcx(struct msgb *msg) } /* save IP address and port number */ lchan->abis_ip.connect_ip = ntohl(ia.s_addr); - lchan->abis_ip.connect_port = ntohs(*connect_port); + lchan->abis_ip.connect_port = ntohs(connect_port); } else { /* FIXME: discard all codec frames */ -- 1.7.10.4

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Testing OpenBSC with FakeBTS
by Priyanka Behl 28 May '13

28 May '13

Hi everyone, I am trying to test Openbsc with the FakeBTS and I wanted to know if it is possible to run FakeBTS on one machine and all other processes ie osmo-nitb, gggsn, osmo-sgsn and osmo-pcu on another machine and set up communication among these? Thanks and regards Priyanka

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Error during the installation of the softBTS
by Priyanka Behl 23 May '13

23 May '13

Hi everyone, During the installation of the softBTS the following error incurred: root@ubuntu:/# aptitude install gnu-smalltalk osmo-st-openbsc-test couldn't find any package whose name or description matched "osmo-st-openbsc-test" while gnu smalltalk has been installed. can somebody help me with this? Thanks and regards Priyanka

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For sale: 2 x nanoBTS 1800 and 1x nanoBTS booster 1800
by Konrad Meier 23 May '13

23 May '13

Hello, At the University of Freiburg (Germany) we have two nanoBTS 1800 and a nanoBTS booster 1800 for sale: NanoBTS Modell 139: 1500 Euro NanoBTS Modell 165G: 2500 Euro NanoBTS-Booster 1800: 1000 Euro The nanoBTS 139 needs to be unplugged if the software Open-BSC is restarted. Most likely this is only a software problem. Details for the booster are given here: http://www.proximus.com.ua/Nano_BTS_high_power_GSM_booster.html The NanoBTS-Booster package includes everything required: - Booster - Power supply - 2x cable to connect to the nanoBTS (0,5 meter) - 1x cable to the antenna (5 meter) - 1x omnidirectional antenna. 3 dBd gain / 1800 MHz The antenna is a high quality omnidirectional antenna from Procom (cxl-1800-3). Best regards Konrad Meier

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Testing Openbsc without a BTS
by Priyanka Behl 22 May '13

22 May '13

Hi everyone, I am trying to test Openbsc without a BTS. I need your help as I am very new to Openbsc. After doing the configurations for openbsc-multitrx.cfg file this is how I started the process: cd openbsc/openbsc src/osmo-nitb -c doc/examples/osmo-nitb/nanobts/openbsc-multitrx.cfg -C And the output I received was: <0019> input/ipaccess.c:925 enabling ipaccess BSC mode DB: Database initialized. DB: Database prepared. <0001d> sms_queue.c:220 Attempting to send 20 SMS After this I added a subscriber in the hlr and the subscriber was added in the output: <0019> ipaccess.c:841 enabling ipaccess BSC mode DB: Database initialized. DB: Database prepared. <001d> sms_queue.c:232 Attempting to send 20 SMS <0002> gsm_subsciber.c:390 Expiring inactive subscriber Testing(ID 1) After this I used the following commands on the osmo-nitb console and receive the following output: Openbsc>show subscrber id 1 ID: 1, Authorized: 1 Name: 'Testing' Extension: 9999999999 LAC: 0/0x0 IMSI: 404012345678903 TMSI: 0012D681 Pending: 0 Usecount: 1 Openbsc> subscriber id 1 send sms Hello Openbsc> subscriber id 1 silent call start any %subscriber not attached Am I doing the right thing, are there some more configurations that I am required to do and is this the only output that can be achieved without a BTS? Also the lac is being displayed as 0/0x0, is this how it should have been? Please let me know, I really need help on this. Thanks and regards Priyanka

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