[Asterisk-Users] Huge Echo

[Soner Tari]

Did you search the maillist archives for hybrid echo cancellation?

> Hello
>
> In the following setup:
> call coming from a pstn line -> into FXO card -> asterisk -> SIP phone
>
> i get an incredible loud echo in the SIP phone (about 0,5-1s) (everything 
> i
> speak into SIP phone microphone i hear in its speaker). The person calling
> from PSTN is not getting any echo.
>
> Which piece of the call could be causing the trouble so i can look into 
> it?
>
> thanks,
> Marek