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

[Brian West]

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=
> false}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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*Brian West*
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