[asterisk-users] Robotic sound sometimes

[Steve Edwards]

On Fri, 12 Feb 2010, Peder wrote:

> Since it is sporadic, my guess would be network latency / packet loss 
> /jitter to ITSP.  You may have lots of capacity and they may claim to 
> have lots of capacity, but what about the links between you and them. 
> Who knows when/if there is loss and latency and jitter there.  Setup 
> wireshark to grab some calls and when someone complains about it, look 
> at the stats for that call.  It will tell you if there is loss or 
> latency or jitter.

Do you know of a link that explains how to detect latency or jitter? My 
wireshark skills are pretty non-existent. Does it have a wizzy filter that 
will tell you or do you need to check the timestamps of the RTP packets? 
Any chance you could write up your technique?

-- 
Thanks in advance,
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Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
Newline                                              Fax: +1-760-731-3000