Dear,
the sip phones that registered, in to the asterisk 1.4.x have the echo in their
callings to pstn.
how this echo can be canceled?
Best
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asterisk-users mailing list
Pezhman Lali wrote:
Dear,
the sip phones that registered, in to the asterisk 1.4.x have the echo
in their callings to pstn.
how this echo can be canceled?
H - you don't give much to go on...
What is the connection to the PSTN (i.e. what kind of card, interface
etc...)
The echo is
any telephone cards on our servers(SER and Asterisk) , all of calls
are come from or going out , on internet connections
--- On Thu, 11/20/08, Alan Lord [EMAIL PROTECTED] wrote:
From: Alan Lord [EMAIL PROTECTED]
Subject: Re: [asterisk-users] echo cancellation for sip phones
To: asterisk-users