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

[Anonim Stefan]

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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