OpenBSC

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4274 discussions

Re: measurement report
by Dieter Spaar 17 Jun '09

17 Jun '09

On Tue, 16 Jun 2009 17:22:55 CEST, "Dieter Spaar" <spaar(a)mirider.augusta.de> wrote: > > I am not sure if you will get the measurement reports for an active > connection by default or if they have to be turned on with a "Start > Measurement" command over OML. Please forget about the "Start Measurement" OML message, they have been introduced with newer versions of GSM 12.21 and are most certainly not available with the BS-11 (and probably intended for other things). Best regards, Dieter -- Dieter Spaar, Germany spaar(a)mirider.augusta.de

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Re: fixes for mncc-harald branch
by Harald Welte 16 Jun '09

16 Jun '09

On Mon, Jun 15, 2009 at 08:38:55PM +0200, Andreas.Eversberg wrote: > > > yes, can you please provide a patch that adds it to gsm_mncc, rather > than gsm_mncc_number? > > here it is... thanks, applied. -- - 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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change my email
by Andreas.Eversberg 16 Jun '09

16 Jun '09

harald, could you please change my email within the source code? my email is "a ndr ea s aet ever sber g dot eu". (remove spaces) this works much better, even after versatel era :-]. regards, andreas

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WG: fixes for mncc-harald branch
by Andreas.Eversberg 16 Jun '09

16 Jun '09

> yes, can you please provide a patch that adds it to gsm_mncc, rather than gsm_mncc_number? here it is...

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Re: Possible to control the radio strength of a nanoBTS?
by Dieter Spaar 15 Jun '09

15 Jun '09

Hello Nordin, On Mon, 15 Jun 2009 12:49:48 +0200, "Nordin" <bouchtaoui(a)gmail.com> wrote: > > I don't know if that kind of information is provided in the Broadcast > channel (BCCH). I'll check it out. GPRS is indicated through the SYSTEM INFORMATION on the BCCH. bsc_hack doese not (yet) indicate it. Best regards, Dieter -- Dieter Spaar, Germany spaar(a)mirider.augusta.de

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Possible to control the radio strength of a nanoBTS?
by Nordin 15 Jun '09

15 Jun '09

Hello guys, While I'm still busy with understanding the OpenBSC sourcecodes and GSM protocols, I wonder if it's possible to control the nanoBTS's transmissionpower. If some additional code is needed, I'd like to give a try with some hints or directions to look at. Thank you.

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fixes for mncc-harald branch
by Andreas.Eversberg 15 Jun '09

15 Jun '09

hi, finally i ported linux-call-router to new mncc api. this is quite easy, because only data types changed. i don't care about change of mncc api from time to time, because openbsc does not have that much applications yet. i think that trau frames don't have anything todo with mncc api and should be use own interface in the future (hopefully with ipaccess). i tested openbsc with linux-call-router. everything worked fine after adding some fixes. now, the mncc-harald includes every work i made, except the installation of library and include files. fix 1: i use this workarround to allow my mobile to get a traffic channel. the mobile reqests a sdcch channel, but currently openbsc is not able to switch channel. (this should be possible in the future for handover.) also it checks if there is actually a traffic channel currently in use, when making a call. fix 2: not actually a fix: adding imsi to gsm_mncc_number allows to notify application about calling/connected imsi. also it is possible to dial a subscriber with no extension assigned, just by using imsi. maybe it is wiser to put imsi string into gsm_mncc, because it is only used only once in a message. fix 3: while detaching, we don't hold a ressource (we don't call lchan_use), so we don't need to "lchan_put". fix 4: the given cause value and location parameters are used in mncc_release_ind function, rather than hardcoded. the plain cause numbers are replaced by the definitions from header file. additionally i uploaded a new inofficial version of openbsc and linux-call-router at www.linux-call-router.de. andreas

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AW: Open bsc + trixbox
by Andreas.Eversberg 14 Jun '09

14 Jun '09

hi fabian, trixbox uses asterisk. asterisk is supported by linux-call-router (integrated channel driver). linux-call-router is supports a modified version of openbsc. (see last post) so you can use trixbox with openbsc. regards, andreas ________________________________ Von: openbsc-bounces(a)lists.gnumonks.org [mailto:openbsc-bounces@lists.gnumonks.org] Im Auftrag von FABIAN SMITH Gesendet: Samstag, 13. Juni 2009 19:24 An: openbsc(a)lists.gnumonks.org Betreff: Open bsc + trixbox Will openbsc work with trixbox or other pbx's ?

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Open bsc + trixbox
by FABIAN SMITH 14 Jun '09

14 Jun '09

Will openbsc work with trixbox or other pbx's ?

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Ideas regarding BSC/MSC split up
by Holger Freyther 13 Jun '09

13 Jun '09

Hey Guys, some of us started to look into the various 08.0x specs and even SCCP (not me yet) and I think our common goal is to go towards a more "normal" BSS/MSC and in the same way keeping the spirit of bsc_hack to allow to run a whole network with one executable. A rough split up of BSC vs. MSC would be: BSC has the secret of: - init hardware, bcch, oml/rsl setup - paging - channel allocation/management MSC has most of the policies: - HLR/VLR and who to allow into the network - call handling etc... To keep this short ('m quite tired at the moment) my goal/approach is to create a libmsc.a and move the db.c, gsm_subscriber.c and on the way to move policy out of gsm_04_08.c to the libmsc.a. bsc and msc would communicate with an API that resembles the DTAP, BSSMAP interface. The MNCC use case Andreas and Harald are working on should remain supported, same as the bsc_hack.c. The goal of having an interface like DTAP and BSSMAP is to allow implementing the A-Interface. I will start this work in a branch called holger/msc and will seek for feedback once I have something that is worthwhile to share. good night z.

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