[asterisk-dev] Adding Octastic Soft-Echo to external SIP adapters

[Klaus Darilion]

Vazir wrote:
> PSTN (MY CALLING CARD CUSTOMERS) <---> CISCO AS5350 <---> 
> VOIP SIDE (SATELLITE ~600mc roundtrip - 300 mc oneway!)
> 
> So the echo is generated by the VOIP side. I can hear it 
> very well is I switch off echo cancellation on the CISCO

Just because it is a high delay link it does not mean that it generates 
echo. VoIP itself does not generate echo. It depends what is after the 
satellite link.

klaus