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

Eric "ManxPower" Wieling eric at fnords.org
Mon May 7 04:27:01 MST 2007


I don't have enough information about your setup to answer that.

I assume you have

VoIP phone <-> Network <-> Cisco <-> H323 <-> Some PSTN/VoIP Box

Is this correct?

Vazir wrote:
> How than my CISCO AS5350 gets H323 VOIP and echo-cancels so 
> exelently :))))))
> 
> On 7 May 2007 12:45, Eric "ManxPower" Wieling wrote:
>> Generally, once the audio is converted to VoIP audio
>> latency is far too high for echo canceling to work.  Echo
>> needs to be canceled BEFORE the call is converted to
>> VoIP.
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