[Asterisk-Users] Dead air on 7960 sip at start of call.

2004-06-24 Thread Sam Tilders
Hi, Despite much searching, I can't find anything quite like the problem we seem to be experiencing with our recently activated asterisk pbx. Of four people answering several calls per five minutes, I have reports of the occasional call starting with dead air. The user picks up the call from

Re: [Asterisk-Users] Dead air on 7960 sip at start of call.

2004-06-24 Thread Chris Glover
Hi, I've noticed the same thing with my 7960 running SIP 7.1. I came to the conclusion that the Cisco does some clever echo cancellation, and that pause is the echo canceller training. I don't think it's an Asterisk problem. My Grandstream 101 works perfectly. Chris -- Chris

Re: [Asterisk-Users] Dead air on 7960 sip at start of call.

2004-06-24 Thread Sam Tilders
On Thu, Jun 24, 2004 at 01:45:55PM +0100, Chris Glover wrote: Hi, I've noticed the same thing with my 7960 running SIP 7.1. I came to the conclusion that the Cisco does some clever echo cancellation, and that pause is the echo canceller training. I don't think it's an Asterisk problem. My