[Freeswitch-users] Voice channels in recorded file is out of sync

Jayesh Nambiar jayesh1017 at gmail.com
Wed Apr 30 22:19:07 MSD 2014

Alright. Let me use another endpoint here and check.


--- Jayesh

On Wednesday, April 30, 2014, Jayesh Nambiar <jayesh1017 at gmail.com> wrote:

> Hi,
> This problem has been reported several times in JIRA as well as lists
> without a proper solution. The problem is that the A-Leg runs a little
> ahead than the B-Leg in the recording only. The actual conversation is
> clear. I have following inputs to it:
> 1) This happens when the calls are made from a specific network and for
> calls that go beyond 20 minutes.
> 2) I tried this on Ubuntu 12.04 as well as Ubuntu 13.10, the problem still
> remains the same.
> 3) I've tried this with multiple version of freeswitch and the latest one
> I tested with is the following version: Version
> 1.5.12b+git~20140419T062924Z~f408dae2af~64bit (git f408dae 2014-04-19
> 06:29:24Z 64bit). In all versions the problem is consistent.
> 4) I tried with suppress-cng=true as well as false but the problem is
> still there.
> 5) I've added parameters like "bridge_generate_comfort_noise=true" before
> bridge.
> 6) I've tried with "record_waste_resources=true" before calling
> record_session.
> 7) I've tried with "record_fill_cng=true" before calling record_session.
> None of these helped me in solving this problem. I understand that it is
> something in the network probably, but I'll be greatful if anyone can point
> me for what to check on the network!! When can freeswitch record_session
> introduce such problem so that I can start looking into those directions.
> The endpoint being used was Grandstream GXP-1400. Is there a specific
> condition under which the freeswitch recording channels can go out of
> sync?? Because it starts well but suddenly when the conversation reaches
> 15-20 minutes the overlapping starts; meaning the channels start going out
> of sync !! Any help or pointers will be of great help.
> Thanks,
> --- Jayesh
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