It's the optional 'encoding parameters' field. For audio channels, this is the number of channels. So /1 means 1 channel (mono) which for G729 is just fine. -Steve On 22 September 2010 21:14, Sergey Okhapkin <sos@sokhapkin.dyndns.org>wrote:
a=rtpmap:18 G729/8000/1
Seems to me wrong. What is /1?
On Wednesday 22 September 2010, Frank Ochere wrote:
Hello,
I've been seeing the error below for calls sent to a particular SIP gateway, anyone knows what it means and should I be concerned?
(I use g729 for my inbound and outbound codec prefs in FS)
2010-09-22 10:34:23.398832 [ERR] sofia.c:4919 Codec Error! v=0
o=00345254725065043 1285213687 1285213687 IN IP4 1.1.1.1
s=AddPac Gateway SDP
c=IN IP4 1.1.1.1
t=1285213687 0
m=audio 24686 RTP/AVP 18
a=rtpmap:18 G729/8000/1
a=recvonly
a=ptime:20
Kind Regards
Frank Ochere
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