[asterisk-users] SIP & Echo

[Stephen Bosch]

Asterisk wrote:
> I tried with the ping ... all of the phones respond in ca. 0.3ms, so
> network seems to be OK. More than 90% of CPU on * box is idle even in
> peak times, so this shouldn't cause echoes either, right? Hmmm, so
> handset could be an issue, but did anyone ever experience any handset
> problems with Polycom IP SoundPoint 430 :-) ?

Headsets are a terrible source of echo.

Are you using a headset amplifier? Polycom specifically recommends use
of an amplifier with the SoundPoint IP phones (most of the newer ones
have integrated echo cancellation).

-Stephen-