[asterisk-users] SIP to IAX2 with delayed echo

[Drew Gibson]

c james wrote:
> A Polycom 550 and a IAX client (Mozphone and ZoIPer were used) are
> having a conversation.  Call quality is reported as good except for an
> echo with a 3 second delay.
>
> Most of my searches are saying echo happens only on the PSTN piece, but
> there isn't one here.
>
>   

Which end hears the echo?

If it is the Polycom end, try a better quality headset with the softphone.
Echo comes from analogue portions of the "circuit" and is usually caused 
at the end that doesn't hear it.

regards,

Drew

-- 
Drew Gibson

Systems Administrator
OANDA Corporation
www.oanda.com