[Freeswitch-users] Remote audio not heard

[Russell Treleaven]

Are you getting silent rtp or no rtp?
from fs_cli "sofia global siptrace on"
Also get a tcpdump of both legs and analyse with wireshark.

On Sat, Aug 23, 2014 at 1:21 PM, Michael <mike at brenden.com> wrote:
> While calling certain destination phone numbers (via freeswitch-1.4.7,
> and flowroute),
>
> often,
>
> on the calling devices (SPA942, SPA942, GrandStream, old phone on
> SPA3102 ATA),
>
> no ringing is heard and,
>
> though the destination has answered,
>
> no audio returns from the destination
>
> (although destination can hear audio from caller).
>
> The same destination numbers sometimes work correctly and sometimes fail
> as above.
>
> Logs show normal activity, meaning no difference between normal and fail.
>
> Exact same thing happened on freeswitch-1.2.something, 1.4.6, and now
> 1.4.7.  Exact same thing happens across wildly different calling phones,
> across many different destination numbers.  Just about the only thing
> that has not been changed, updated, etc. is flowroute as the carrier.
> Could it be a problem at the flowroute end?  Anyone else having similar
> experiences?
>
> Any ideas on where to begin?
>
> TIA, Michael
>
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