Hello,<br><br>I'm testing with OpenSER 1.3.x revision 4393 with RTPProxy.<br>I'm trying to make a call from a Nokia E51 to a SIPp instance started with:<br>sipp -sn uas -p 6060 -mp 4000<br><br>The INVITE goes thru OpenSER to SIPp and then, SIPp replies with this:<br>
<br>SIPp to OpenSER:<br>SIP/2.0 200 OK<br>Via: SIP/2.0/UDP <a href="http://210.126.5.158">210.126.5.158</a>;branch=z9hG4bK9c1e.f06224f3.0, SIP/2.0/UDP 192.168.0.4:5060;received=<a href="http://123.224.149.169">123.224.149.169</a>;branch=z9hG4bK5j85u8aa6jpebhelr55b8bj;rport=64351<br>
From: <<a href="mailto:sip%3A1000@210.126.5.158">sip:1000@210.126.5.158</a>>;tag=r5hbkuj8mlhc6o184cms<br>To: <<a href="mailto:sip%3A22222222@210.126.5.158">sip:22222222@210.126.5.158</a>;user=phone>;tag=28909SIPpTag013<br>
Call-ID: nLPxHi_hoIf-POcJ7OKojntw2wgQle<br>CSeq: 7342 INVITE<br>Contact: <sip:192.168.88.16:6060;transport=UDP><br>Content-Type: application/sdp<br>Content-Length: 135<br><br>v=0<br>o=user1 53655765 2353687637 IN IP4 <a href="http://192.168.88.16">192.168.88.16</a><br>
s=-<br>c=IN IP4 <a href="http://192.168.88.16">192.168.88.16</a><br>t=0 0<br>m=audio 4000 RTP/AVP 0<br>a=rtpmap:0 PCMU/8000<br><br><br>But when OpenSER relays this to E51, I can see it is adding "a=nortpproxy:yes" immediatelly after the the last characters in the SDP instead of prepending a CRLF.<br>
<br>OpenSER to Caller<br>SIP/2.0 200 OK<br>Via: SIP/2.0/UDP 192.168.0.4:5060;received=<a href="http://123.224.149.169">123.224.149.169</a>;branch=z9hG4bK5j85u8aa6jpebhelr55b8bj;rport=64351<br>From: <<a href="mailto:sip%3A1000@210.126.5.158">sip:1000@210.126.5.158</a>>;tag=r5hbkuj8mlhc6o184cms<br>
To: <<a href="mailto:sip%3A22222222@210.126.5.158">sip:22222222@210.126.5.158</a>;user=phone>;tag=28909SIPpTag013<br>Call-ID: nLPxHi_hoIf-POcJ7OKojntw2wgQle<br>CSeq: 7342 INVITE<br>Contact: <sip:210.126.5.158:6060;transport=UDP;nat=yes><br>
Content-Type: application/sdp<br>Content-Length: 154<br><br>v=0<br>o=user1 53655765 2353687637 IN IP4 <a href="http://192.168.88.16">192.168.88.16</a><br>s=-<br>c=IN IP4 <a href="http://210.126.5.158">210.126.5.158</a><br>
t=0 0<br>m=audio 36740 RTP/AVP 0<br>a=rtpmap:0 PCMU/8000a=nortpproxy:yes<br><br>Because of this, E51 ignores the message and doesn't send ACK.<br>I believe this is a bug in OpenSER.<br><br>Thanks,<br>Takeshi<br>