Hi All,
       While negotiating G729 codec is it valid to have "annexb=yes" and 
"silenceSupp:off" in the initial offer being offered assuming that far end 
supports all of these capabilities?
For example:
m=audio 8804 RTP/AVP 18 0 101
a=rtpmap:0 PCMU/8000
a=rtpmap:18 G729/8000
a=fmtp:18 annexb=yes
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=silenceSupp:off - - - -\r\n

If yes, what are the possible answers from far end?

Many thanks,
Rajpal
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