[Asterisk-Users] Cisco 7960 Echo

[Richard Tomson II]

Have you turned on the echo cancellation on the X100P?
Check the zaptel Makefile. I use the Mark2 with Aggressive_suppressor.

Rich.

On Fri, 2003-03-14 at 10:42, Mike Reiling wrote:
> Hello everyone,
> 	I finally got my Cisco 7960.  Seems like a very nice phone.  I have it 
> configured for SIP and working with asterisk.  But, I am having some 
> echo problems.  The person I call does not hear an echo, but I hear my 
> own voice echo back to me about .5 seconds later (maybe a little less). 
>   Does not matter if I call an internal Zap extension, or outbound over 
> my X100P.  I changed the codecs, around and the one that gives the 
> least amount of echo is g729a.
> 
> It is plugged in my office, but my asterisk server is in the attic, 
> with a wireless link.  Could that be a problem.  There is very minimal 
> latency.  A traceroute from the phone shows this:
> 
> SIP Phone> traceroute cartman
> traceroute to cartman(192.168.100.3), 30 hops and 40 byte packets
> SIP Phone>
>     1)    192.168.100.3     10ms    1ms   10ms
> 
> The server is a celeron 433.  Should I toss a faster processor at the 
> computer, or is it the wireless link?  I can't really image it being 
> the wifi link, as VOIP works over the internet, with much higher 
> latency.
> 
> Any suggestions?
> 
> Thanks,
> Mike
> 
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