[Asterisk-Users] Latency on bridged PRI calls

[Kris Boutilier]

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com]On Behalf Of Rod Bacon
> Sent: Thursday, October 06, 2005 8:36 PM
> To: asterisk-users at lists.digium.com
> Subject: [Asterisk-Users] Latency on bridged PRI calls
> 
> 
> Nobody has been able to answer this. Not even Digium at this 
> stage, but I'm hoping someone here, smarter than I, will be able to.
> 
> We are running some TE406P (upgraded 405Ps) cards performing 
> mainly PRI bridged calls.
> 
> After a server is brought up, calls sound absolutely perfect.
> 
> Over time, delay (latency) creeps into the calls. 

Roughly how much clock time before it becomes noticeable? Also, does it degrade faster if more calls are up? Finally, is there any echo cancellation enabled for the bridged calls, either in the card or the zaptel software canceller?

{clip}
> A restart of asterisk with removal/reload of the card driver 
> fixes the problem (temporarily).

Are you running stable or CVS-head? If CVS, what date?

Just trying to fill in the blanks for the list - I've not heard of this kind of problem before.

Kris Boutilier
Information Services Coordinator
Sunshine Coast Regional District