[Freeswitch-users] is there a way to validate RTP is flowing after bridging two channels?

Stanislav Sinyagin ssinyagin at gmail.com
Mon Jan 18 01:29:20 MSK 2016

you can, for example, start a recording within a running session, run it
for 10 seconds, and then build a histogram using SOX. You would then easily
distinguish a complete silence from speech.

Also at the end of a call, you can get the RTP statistics in channel
variables before it gets destroyed, so you can extract the number of RTP
packets received.

On Sun, Jan 17, 2016 at 11:17 PM, Dave Horton <dave at dchorton.com> wrote:

> I have a need to bridge two channels together and then somehow verify that
> I am getting RTP packets from both directions.  The need stems from a
> desire to detect a one-way audio situation in rare nat’ed scenarios where
> signaling gets established but one party may have restrictive firewall
> rules preventing his/her RTP stream from reaching the FS endpoint.  Any
> ideas?
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