[Freeswitch-users] Linksys PAP2-T and echo

Steve Underwood steveu at coppice.org
Mon Oct 31 18:11:51 MSK 2011

On 10/31/2011 10:58 PM, Boris Kovalenko wrote:
> Hello!
>       I'm wondering if it is possible to solve echo with Linksys PAP2-T
> devices. Does anybody here uses it? I read many articles and still can't
> understand how to eleminate echo :( I read
> http://www.voip-info.org/wiki/view/Asterisk+echo+cancellation and found
> that Asterisk has its own EC. Does Freeswitch has it too? I found this
> article http://docs.freeswitch.org/echo_can_page.html but can't
> understand - has Freeswitch EC or not? If yes - how to turn it on and off?
Neither Asterisk or Freeswitch will echo cancel your PAP2T. Echo 
cancellation over IP is very problematic, and hardly ever attempted. The 
PAP2T should be echo cancelling for itself, and they usually do a fairly 
good job of this. I don't think it is configurable. Its always on.


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