Re: [Asterisk-Users] VAD (silence suppression) on Asterisk

[John Todd]

Thanks, that's the answer I was looking for.

Do we know if VAD will ever be supported? I know some people don't like VAD
and in my testing, how well VAD works depends on how well it was coded (and
the hardware I suspect). I have seen very good and very bad implementations
of VAD.
Hard to give an answer to your question without a crystal ball.  :)

VAD is actually useful in situations where you have a long, narrow 
bandwidth pipe and users are already anticipating poor voice quality. 
I could see it as a useful feature for long-haul VoIP traffic 
overseas or over exotic network stub connections.

I have a real need for VAD to work (for bandwidth reasons). So if VAD isn't
currently in the Asterisk development schedule, can I request it be added?
Yes, you can.  Go to http://bugs.digium.com/  and put in a feature 
request.  To enhance the chances of your request actually being 
implemented, include pointers to the RFCs that cover VAD with RTP, or 
IEEE VAD specs, or whatever documentation you can find that might 
assist a programmer in gettin VAD implemented with the least amount 
of their effort.  This does not guarantee VAD being added, but it 
helps more than a less-specific request might otherwise.

JT


Thanks

Lee Goodman

----- Original Message -----
From: "Eduardo Goncalves" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, August 20, 2003 1:21 PM
Subject: Re: [Asterisk-Users] VAD (silence suppression) on Asterisk

 When I turn on VAD on cisco ATA186, asterisk shows:

 Aug 20 11:12:20 NOTICE[618513]: File rtp.c, Line 239 (process_rfc3389):
RFC3389 support incomplete.  Turn off on client if possible
 RCF3389 defines Payload for Comfort Noise, that is used with VAD.
 So I turned it off on my endpoints (ATA186 and c827-4v)
 Eduardo

 On Wed, 20 Aug 2003 11:35:14 -0500 (CDT)
 Brian West <[EMAIL PROTECTED]> wrote:
 > VAD is evil. I hate it.  I find when we used it.. you keep asking people
 > to repeat stuff all the time.. and it was just anoying.
 >
 > bkw
 >
 > On Wed, 20 Aug 2003, WipeOut . wrote:
 >
 > > > Does the Asterisk server support VAD (aka Silence Suppression)? I
want my SIP phones (7960's) to use VAD when dialing out the x100P interface.
I know the phone can do VAD , can the Asterisk server be setup to do it? and
if so, where do I set the configuration?
 > > >
 > > > Thanks
 > > >
 > > Lee Goodman
 > >
 > > Somthing tells me that it is not supported but it is somthing that I
would like to see supported as well..
 > > --
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