[asterisk-users] SIP to IAX2 with delayed echo

[c james]

Drew Gibson wrote:
> 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
> 

Both side are seeing it.