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

Christian crich-ml at beronet.com
Mon May 7 01:51:35 MST 2007


a ping in a LAN takes around 1ms ..  zaptel reads buffers of 160bytes = 
20ms from the driver. i don't think a LAN has so much latency

i would think, the latency might change during a session, so the 
Echocanceler needs to be good at adaption.



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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