[Asterisk-Users] OH323 incoming audio stutter

[Michael Manousos]

Hi Tony,

Can you get an ethereal trace of the RTP packets on both
directions? A short analysis of those streams (from within the
ethereal tools) would help us find the problem.

Michael.


Tony Mountifield wrote:
> I'm using asterisk-oh323-0.6.5 with the Janus patch 4 versions of
> pwlib (v1.6.6.3) and openh323 (v1.13.5.3), and using it to connect
> to my provider's switch.
> 
> The effect that I am seeing is that a call starts off fine, but suddenly
> after a few minutes the audio coming into Asterisk via OH323 gets very
> broken up to the point of being about 90% silence with occasional brief
> snippets of audio getting through.
> 
> When this happens, the audio going out from Asterisk to the other end
> is still fine, with no disturbances.
> 
> I have observed this both when using SIP for the local leg of the call
> and when using IAX.
> 
> I'm not really sure where to look to diagnose this, not whether it is
> likely to be an Asterisk problem or something in the switch.
> 
> Any advice would be appreciated!
> 
> Cheers
> Tony