Questions

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Christopher HENARD christopher.henard at esial.net
Wed May 11 09:17:08 UTC 2011


Yes I know it would be easier but I unfortunately don't have a nanoBTS.

2011/5/11 Nordin <bouchtaoui at gmail.com>

>  I think you better try OpenBSC with a real nanoBTS if you own one. If that
> works, you can analize the traffice between OpenBSC and nanoBTS. You can
> than simulate packages as nanoBTS packages to OpenBSC and you get what you
> want I think. Hope this helps.
>
>
>
>
> On 11-5-2011 10:30, Christopher HENARD wrote:
>
>> Hi everyone,
>>
>> As I said in previous messages, I want to write a program to dialogue with
>> openBSC (more precisely, osmo-nitb)
>>
>> In fact I tried to compile osmo-bts  but it seems some structures are not
>> even define anywhere (struct osmobts_ms, struct osmol2_entity...). I know
>> it's still under development but I can't test the main program and read
>> the
>> code is a little bit long.
>>
>> For ipaccess-proxy, the main thread also starts bsc_select_main, resulting
>> in osmo-nitb and proxy both waiting for something but nothing happens.
>> That
>> brings these questions:
>>
>> Is there any documentation of the code of open BSC ?
>> Are all the protocols of Abis interface implemented (LAPD, BTSM, RR) ? If
>> yes, where can they be found in the code and is it possible to use them
>> externally to forge packets ?
>> Is it possible to connect 2 open BSC together ? What are the requirements?
>> In the main loop of osmo-nitb, what are the message open BSC is waiting
>> for
>> (bsc_select_main)?
>> Do you think it would be possible that a SMSC communicate with open BSC ?
>> What are the requirements?
>> Have you implemented part of the SS7 stacks (mtp, SCCP, ...) ?
>>
>> Thank you
>>
>> 2011/5/10 Christopher HENARD<christopher.henard at esial.net>
>>
>>  Ok, I'll see that, thanks.
>>>
>>>
>>> 2011/5/10 Harald Welte<laforge at gnumonks.org>
>>>
>>>  On Tue, May 10, 2011 at 04:33:40PM +0200, Christopher HENARD wrote:
>>>>
>>>>> Ok, I'll try with ipaccess-proxy code since I don't know what is
>>>>>
>>>> Andrea's
>>>>
>>>>> GSM BTS.
>>>>>
>>>> see the osmo-bts.git repository on git.osmocom.org
>>>>
>>>>  However, the process osmo-nitb need a config file to start, and as I
>>>>>
>>>> want to
>>>>
>>>>> simulate nano BTS and forge IP packets, what config file am I supposed
>>>>>
>>>> to
>>>>
>>>>> provide to osmo-nitb?
>>>>>
>>>> openbsc.cfg.nanobts or something along those lines.
>>>>
>>>>  Thank you
>>>>>
>>>> --
>>>> - Harald Welte<laforge at 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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