[OpenSIPS-Users] UDP vs TCP/TLS

[leo]

Hello Razvan,

/Are you sure your clients are properly pinged by OpenSIPS? Are you
setting the sipping_flag[1] for your natted clients?/ No i haven't it. I've
enabled now, tcpdumping i see the pinging with the OPTIONS but no changes...

/What about the nat_bflag flag[2]?/ Yes, i've it. 

Doing ngrep in the opensips server, it is clear that the "gap" is somewhere
internally, if you check the difference time between the received INVITE and
the sending INVITE is +/- 10 secs...

*T 2014/04/20 11:08:37.829732* 31.27.52.41:45283 -> X.X:X:X:5060 [AP]
INVITE sip:xxx at sip-lab.xxx.yyy;transport=tcp SIP/2.0.
Via: SIP/2.0/TCP 31.27.52.41:45283;branch=z9hG4bK.AaFavZIjO;rport.
From: <sip:uuu at sip-lab.xxx.yyy>;tag=fAtsL4CLE.
To: sip:xxx at sip-lab.xxx.yyy.
CSeq: 21 INVITE.
Call-ID: mJnHuOO85u.
Max-Forwards: 70.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE,
INFO.
Content-Type: application/sdp.
Content-Length: 472.
User-Agent: LinphoneAndroid/2.2.1.1 (belle-sip/1.2.4).
Contact:
<sip:uuu at 31.27.52.41:45283;transport=tcp>;+sip.instance="<urn:uuid:9a0048a3-5041-43f1-b72e-fc9c44580d60>".
Proxy-Authorization:  Digest realm="sip-lab.xxx.yyy",
nonce="53538eb30000016a5c48fc66aef7eede3ef6dd076fbb460e", username="uuu", 
uri="sip:xxx at sip-lab.xxx.yyy;transport=tcp",
response="18e2b8c8f05f9a989ab10af89ac5c51b".
.
v=0.
o=uuu 3644 3041 IN IP4 31.27.52.41.
s=Talk.
c=IN IP4 31.27.52.41.
b=AS:380.
t=0 0.
m=audio 7076 RTP/AVP 123 119 111 110 0 8 101.
a=rtpmap:123 opus/48000.
a=fmtp:123 useinbandfec=1; usedtx=1.
a=rtpmap:119 SILK/16000.
a=rtpmap:111 speex/16000.
a=fmtp:111 vbr=on.
a=rtpmap:110 speex/8000.
a=fmtp:110 vbr=on.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-11.
m=video 9078 RTP/AVP 103 99.
a=rtpmap:103 VP8/90000.
a=rtpmap:99 MP4V-ES/90000.
a=fmtp:99 profile-level-id=3.


*T 2014/04/20 11:08:47.846158* X.X:X:X:5060 -> Z.Z.Z.Z:50805 [AP]
INVITE sip:xxx at Z.Z.Z.Z:50805;transport=tcp SIP/2.0.
Record-Route: <sip:X.X.X:X;transport=tcp;lr;did=28f.923f4063;nat=yes>.
Via: SIP/2.0/TCP X.X.X.X:5060;branch=z9hG4bK204b.07657247.1;i=c.
Via: SIP/2.0/TCP
31.27.52.41:45283;received=31.27.52.41;branch=z9hG4bK.AaFavZIjO;rport=45283.
From: <sip:uuu at sip-lab.xxx.yyy>;tag=fAtsL4CLE.
To: sip:xxx at sip-lab.xxx.yyy.
CSeq: 21 INVITE.
Call-ID: mJnHuOO85u.
Max-Forwards: 69.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE,
INFO.
Content-Type: application/sdp.
Content-Length: 498.
User-Agent: LinphoneAndroid/2.2.1.1 (belle-sip/1.2.4).
Contact:
<sip:uuu at 31.27.52.41:45283;transport=tcp>;+sip.instance="<urn:uuid:9a0048a3-5041-43f1-b72e-fc9c44580d60>".




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