Thanks for your reply ,
how can i disable or reorder this "a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics" attribute from our invite sdp message
below sdp is generated by linphone
Via: SIP/2.0/UDP 192.168.1.104:60332;branch=z9hG4bK.cHDMcR3~g;rport
From: "901489" <sip:address@hidden>;tag=d6gccJoUc
To: sip:address@hidden
CSeq: 20 INVITE
Call-ID: vkCbcvtXZ2
Max-Forwards: 70
Supported: outbound
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO, UPDATE
Content-Type: application/sdp
Content-Length: 242
Contact: <sip:address@hidden:60332>;+sip.instance="<urn:uuid:fe85bc14-8d51-4beb-9a46-d77ffd5bf1b4>"
User-Agent: LinphoneWP8/2a58c60 (belle-sip/1.3.3)
v=0
o=901489 41 2083 IN IP4 192.168.1.104
s=Talk
c=IN IP4 192.168.1.104
t=0 0
a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics
m=audio 7076 RTP/AVP 18 101
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
based on above invite we are getting below 183 response
SIP/2.0 183 Session progress
Via: SIP/2.0/UDP 192.168.1.104:60332;rport;branch=z9hG4bK.yC3IZyCo5
From: "901489" <sip:address@hidden>;tag=d6gccJoUc
To: <sip:address@hidden>;tag=GB-1424725761019
CSeq: 21 INVITE
Call-ID: vkCbcvtXZ2
Contact: <sip:87.123.123.90:5060>
Record-Route: <sip:87.123.123.90:5060;lr>
Content-Type: application/sdp
Content-Length: 256
v=0
o=901489 41 2083 IN IP4 87.123.123.90
s=3vays
c=IN IP4 87.123.123.90
a=rtcp-xr:rcvr-rtt=all:10000 stat-summary=loss,dup,jitt,TTL voip-metrics
t=0 0
m=audio 37710 RTP/AVP 18 101
a=fmtp:18 annexb=no
a=rtpmap:101 telephone-event/8000
a=sendrecv
we dont know how to disable a=rtcp-xr:rc..... attribute in linphone , we set false to rtp_session_enable_rtcp function but no luck