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

[Klaus Darilion]

Vazir wrote:
> On 7 May 2007 20:57, Andrew Kohlsmith wrote:
>> Echo is not generated by VOIP.  VOIP is known as a 4-wire
>> system.  Transmit and receive paths are along totally
>> separate (albeit logical) paths.
> 
> True, But in my case 90% calls are PSTN <-> VOIP <-> PSTN so 
> it could be echo coming from other side AFTER VOIP-PSTN 
> conversion... and some cases shows that it's so - that if I

usually, the echo generated on the "other side" should be canceled by 
the VOIP<->PSTN gateway on the other side.

regards
klaus