[Asterisk-Users] How suppress echo

[Gavin Hamill]

On Thursday 21 April 2005 13:07, Michaël Delvoye wrote:
> Hi all
> I try to implement an asterisk solution in my company.
> I use Digium card and sip phone Budgetone 102.
> When i call an external number, I hear myself during 3 or 4 sec and then it
> diseapear progressivly.
>
> Do you have any idea so as to solve my problem

This is a really common question. Please start at 
http://www.voip-info.org/wiki-Asterisk+echo+cancellation and then spend 
several hours reading through the Wiki - it is a goldmine of information.

Cheers,
Gavin.