[Asterisk-Users] Problem with echo

[Ing. Angel Gomez Garcia]

    I had a similar problem and solved it changing the params of "input 
gain" on my pstn-gateway, change from a value of 10 to a value of 1 and 
that eliminated the echo on the SIP Phones.

Dave Packham wrote:

>Same prob here.   15 SIP phones only get eco when going to the PSTN...
>
>if you find something let me know
>
>
>Dave
>
>  
>
>>>>dandre at iris-tech.fr 7/1/2003 8:53:13 AM >>>
>>>>        
>>>>
>Hello,
>
>I can't have asterisk working without echo when I place a call from IP
>
>phone (SIP or H323) to a PSTN Phone. The called number as no problem 
>with echo but there is a very audible echo in the SIP phone. This 
>situation occurs either when connected with ISDN card thru i4linux 
>driver and with my openline card from voicetronix.
>
>Do you have any suggestion fo that?
>
>Regards,
>
>Daniel ANDRE
>
>  
>