[asterisk-users] SIP & Echo

[William Moore]

On 5/22/07, Asterisk <asterisk at abraxas.si> wrote:
> Hello all,
>
> One of our clients reported that they are experiencing echo in SIP calls
> (even on internal ones). What do you think could be causing echo in
> internal SIP calls?
>
> We're using Polycom telephones, do you think they could be causing it?

By nature, pure SIP connections will not generate echo.  This is an
acoustic problem on one or both ends.  If your client is using
headsets, make them get better headsets.  It also might be that they
absolutely love speakerphone and the room's acoustics are bad.