[SIPForum-techwg] Question about annexb=yes or no

[Francois Audet]

yes 

> -----Original Message-----
> From: techwg-bounces at sipforum.org 
> [mailto:techwg-bounces at sipforum.org] On Behalf Of mike xu
> Sent: Sunday, May 25, 2008 20:02
> To: techwg at sipforum.org
> Subject: [SIPForum-techwg] Question about annexb=yes or no
> 
> Hi all,
> 
> In RFC3555 section 4.1.9, it said "annexb: indicates that Annex B,
> voice activity detection, is        used or preferred". Could somebody
> explain this in more details?
> Take an example, if
> annexb=no
> was received, does it mean that I should disable local side's 
> silence suppression (didn't send silence suppression frames)?
> 
> And if I send annexb=no in my INVITE's SDP, it means that my 
> local side's silence suppression was disabled and the callee 
> should not send silence suppression frames to me?
> 
> Thanks in advance,
> Mike
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