OpenBSC

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8 participants
4276 discussions

Installation Error
by Ihab el Bakri 18 Feb '10

18 Feb '10

Hi, I am having some trouble installing OpenBSC on kernel 2.6.32 (Ubuntu), the actual error message: make[2]: Entering directory `/home/bs11/openbsc/openbsc/src' gcc -DHAVE_CONFIG_H -I. -I.. -I../include -Wall -g -O2 -MT gsm_04_11.o -MD -MP -MF .deps/gsm_04_11.Tpo -c -o gsm_04_11.o gsm_04_11.c gsm_04_11.c:349:16: error: invalid suffix "b111" on integer constant gsm_04_11.c:350:8: error: invalid suffix "b000" on integer constant gsm_04_11.c:352:8: error: invalid suffix "b001" on integer constant gsm_04_11.c:354:8: error: invalid suffix "b010" on integer constant gsm_04_11.c:356:8: error: invalid suffix "b011" on integer constant make[2]: *** [gsm_04_11.o] Error 1 make[2]: Leaving directory `/home/bs11/openbsc/openbsc/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/bs11/openbsc/openbsc' make: *** [all] Error 2 any other information about connecting to the BS-11 with a sangoma E1 card will be very helpfull ! best regards Ihab el Bakri _________________________________________________________________ Hotmail: Powerful Free email with security by Microsoft. https://signup.live.com/signup.aspx?id=60969

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Who has a nanoBTS for sale?
by Konrad Meier 18 Feb '10

18 Feb '10

Hello, I am working at the university of Freiburg in Germany and I am very interested in buying some nanoBTS for a project at the computation department. Who has a nanoBTS (GSM1800) for sale? Depending on the price I need 3-5 units. Regards Konrad Meier

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Reseting Unit-ID on nanoBTS
by Bjarni S. Sigurðsson 05 Feb '10

05 Feb '10

Hello, I have a nanoBTS from ipaccess. I used ipaccess-config to set the Unit-ID of the nanoBTS and also the Primary OML IP address. Everything worked OK and OpenBSC and the nanoBTS where communicating. My problem now is that I want to connect the nanoBTS back to my original BSC (from Zynetix). By using ipaccess-config I set the OML IP address back to what it was originally but the unit does not connect to the original BSC. I have two other nanoBTS's and their Unit-ID is 65535/255/255 before they 'sign up' to the BSC, where they get another Unit-ID. I've tried using ipaccess-config to set the Unit-ID to that value but get an error: "Failure to set attribute. This seems fatal" Does anyone know how I can reset the Unit-ID to 65535/255/255 ? Best regards, Bjarni S. Sigurdsson

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RSL "Channel Release" Sequence
by Holger Freyther 05 Feb '10

05 Feb '10

Hi, I'm currently implementing Early Assignment in the On Waves branch and as part of this I will have to take care of RSL channel releases as well. Someone else was pointing this out as well but I could not find the email. Our channel release is a bit sloppy and I will fix it and start using T3111 and T3109 in the rsl code for doing so. In the "normal" case (bsc on the left, bts on the right): RSL Channel Release --> <- RSL Channel Release Ack <- Release Indication SAPI=0 RSL Channel Release -> <- RSL Channel Release Ack In the "abnormal" case: <- Error Indication RSL Channel Release -> <- RSL Channel Release Ack <- Release Indication SAPI=0 RSL Channel Release -> <- RSL Channel Release Ack I'm going to change that into the following way. "normal" case: 1.) Release the established SAPIs 2.) After their ACKs release the Channel Have all this guarded by T3109 (or whatever is more appropriate) "abnormal" case: 1.) Start T3109 2.) Then do the normal case. During the shutdown sequence I need to make sure that we are not allocating the channel again. I'm thinking of either using the chan mode Harald was introducing while doing the hand over work, or just a "locked" flag to not assign the channel. I hope to be done with this by tomorrow or the day after, anyone has comments or ideas on how to approach this? z.

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Problem after create-trx1, query gives no info about it.
by till 05 Feb '10

05 Feb '10

Hi, i have problems bringing up the second TRX. I used the following procedure: ./bs11_config -p /dev/ttyUSB0 disconnect ./bs11_config -p /dev/ttyUSB0 create-trx1 After reboot the query tells me: ./bs11_config -p /dev/ttyUSB0 query LMT LOGON: ACK PHASE: 3 Normal MBCCU0: Load MBCCU1: Load Abis-link: Restoring ... BS11 Power Amplifier 0 ATTRIBUTES: TRX Power: 30mW (GSM) LMT LOGOFF: ACK Now i wondered where is the trx1, did anyone has a similar problem? I have the BS-11 ESN PCB Serial Number: 001127 which should have two TRX. Greets & thx Till -- Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3.5 - sicherer, schneller und einfacher! http://portal.gmx.net/de/go/chbrowser

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USSD traces from live networks needed
by Alexander Chemeris 28 Jan '10

28 Jan '10

Hi all, I'm cross-posting this to both OpenBTS and OpenBSC mailing lists in a hope to get wider audience. Sorry if you get this message twice. Ivan and I are working on USSD support for OpenBTS now. We've got all our test phones working except old Siemens A52 (newer A65 is ok). When we request more information from the phone in order to create menu-like experience, this phone deny processing any further USSD with "NOT EXECUTED" error, while still keeping L3 channel open. This looks quite much like a bug in the phone, but also seems we have a problem in our code too - I tested it with my working SIM card and my normal operator USSD menu and it works. So I kindly ask everyone who have Nokia 3310 with MBUS cable or any other GSM sniffer and have access to live network with working USSD to help us with gathering some real-network data. Please: 1) Call some simple USSD request, which just return a single piece of data. Like "Show my balance" 2) Call some menu-like USSD request and go through several levels of it. On our network we have a kind of "Self-care service" through USSD which works that way. 3) If you know how to summon network-originated USSD request or notification - we will appreciate if you include this too. I have never seen this on my home network, though. 4) Send me your trace. Thanks! -- Regards, Alexander Chemeris.

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Patch/Driver for Sangoma E1 interface ?
by Carcellelist 27 Jan '10

27 Jan '10

Hi there, Has anyone been working on using OpenBSC with a Sangoma E1 card connected to the BTS ? I guess they would be some patches to add to the generic driver to have it fully working and recognized within the OpenBSC framework ? The last thread I saw related to Sangoma was from Oystein : http://lists.gnumonks.org/pipermail/openbsc/2009-August/000821.html Cheers, Xavier.

1 0

adding an input to openbsc
by K2 26 Jan '10

26 Jan '10

Hi What needs to be changed in openbsc in order to add a new input ? I'm currently developing a GAN protocol stack, and would like to add it to openbsc so it could deal with the DTAP msg coming from GAN regards, -- k2

3 3

maybe there is an select problem
by Andreas.Eversberg 23 Jan '10

23 Jan '10

hi, while porting the select.c to LCR, i found the problem: the unix select function returns a set of file descriptors to be handled. the result-loop (the loop after the select()) is called again, if more than one descriptor is removed by the callback funtion. this may lead to a another call to the callback function, because the bits of the FD_SETs do not change and still set. i think we must clear these bits, if they are handled, so the handler will not be called twice in case of a "restart" of that loop. regards, andreas

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Re: phone without encryption
by Dieter Spaar 21 Jan '10

21 Jan '10

Hello Andreas, On Wed, 20 Jan 2010 09:30:17 +0100, "Andreas.Eversberg" <Andreas.Eversberg(a)versatel.de> wrote: > > some stupid question: if a phone does not support any encryption, is it > possible to use it on an official GSM network? (authentication works, of > course) if so, what phone might it be? I did a quick check, at least Vodafone and T-Mobile here in Germany reject the Location Update Request with "Network Failure" (0x11) if they get a classmark without any encryption available. The registration works with the same phone if the classmark indicates that encryption support is available. The test was done with a phone where I can modify the classmark data. Best regards, Dieter -- Dieter Spaar, Germany spaar(a)mirider.augusta.de

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