[Freeswitch-users] GSM to GSM bridge with ringback question

[Anonim Stefan]

Hi Brian,

I put the Freeswitch logs in previous mail also:
http://pastebin.com/XkcX7HXg. If comment out the session.answer() in the
python script, 200 OK won't go to A-leg until B-leg answers.

Further test: If I try to "playback" a 8KHz file for A-leg when it answers,
it behaves the same as setting the ringback (i.e. won't get any incoming
RTP after)

Thank you,
Stefan

On Fri, Feb 24, 2017 at 1:07 AM, Brian West <brian at freeswitch.org> wrote:

> Is one leg already answered?  Without logs its hard to tell.
>
>
> On Thu, Feb 23, 2017 at 6:17 AM, Anonim Stefan <fanx07 at gmail.com> wrote:
>
>> Hi,
>>
>> I'm doing a GSM call bridge between two phones connected to a nanoBTS,
>> with no dtmf. I am facing an issue only when setting ringback; here's my
>> dialplan python code:
>>
>>         bts_command="{ignore_early_media=true,bridge_early_media=fal
>> se}sofia/gateway/gw/43112"
>>         session.answer()
>>         session.execute("set","ringback=local_stream://moh") -> plays
>> the stream at 8000 Khz
>>         session.execute("bridge", bts_command)
>>
>> The problem is that when the B-peer answers, A-party ringback stops and I
>> *can not* hear the B-party. If I'm doing this without the ringback line it
>> works ok. See logs at [1] for this scenario.
>>
>> This is not happening with PCMA codec tests (which also have dtmf codec).
>> I tried also libearal or disabled DTMF without success.
>>
>> I am using FreeSWITCH version: 1.6.12~64bit ( 64bit)
>>
>> Did something similar happen to someone before and has an idea how to fix
>> this, while still keeping the ringback tone?
>>
>> [1] http://pastebin.com/XkcX7HXg
>>
>> Thank you,
>> Stefan
>>
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>
>
>
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