[Freeswitch-users] Looking for a specific bug in jira - was Sonus and RFC 2833 related

[Kristian Kielhofner]

On 12/31/08, Anthony Minessale <anthony.minessale at gmail.com> wrote:
> in case you want to know the other big annoying one:
>
> If you suddenly change timestamp base mid call, sonus will lose 2 sec of
> audio trying to adjust.
>
> Say you have an ivr that asks you to dial an ext then places the call.
>  While the ivr is the far end and interacting with the sonus there is a
> series of timestamps generated by FS.
> Then when the call is placed we start passing through the timestamps from
> the new farther far end so the jitter can
>  be preserved.  (if we rewrite the timestamps to our original ones, any
> jitter would be locked in place).
>
> With sonus, you pretty much have to set FS to rewrite the timestamps or live
> with the audio drop =(
>

Anthony,

  Thanks for the pointer.  It's nice to also know that I won't be able
to implement *proper* jitter buffering in my network as long as Sonus
is involved somewhere in the call path.

  Sheesh.

-- 
Kristian Kielhofner
http://blog.krisk.org
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