[Asterisk-Users] Polycom 600 problem

[Russ Beaupre, P.E.]

Andrei (MPI) wrote:
> Hi Jared,
> 
> Thank you for your reply. That server is for asterisk only, things like 
> X-windows and samba were not even installed there. I limited what I 
> could from system point of view. Digium support has qualified the box as 
> "clean" for TDM400P operations.
> 
> It is not clicks and pops, it's just brief moments of silence when I 
> cannot hear the other side, while they can hear me okay. I will play 
> more with configs and ideas you guys suggested.
> 
> Also it is really strange, that the problem always appears for a specfic 
> phone. 9 phones are ALWAYS working just fine, while 1 phone is doing 
> this interruptions for all outgoing calls, 2 more phones are having this 
> problem from time to time. All the phones are same model and are 
> configured in the same way, difference is only in extensions, voicemail 
> box and user/passwords settings.
> 
> Echo cancellation? ulaw/alaw? Anything else? Thanks for your ideas.
> 
We had a similar problem.  I moved the connection one switch port over 
the problem went away.  I didn't really look into why the port should be 
a problem, nor did I do a cable test.

-rb