[Users] openser + nathelper + rtpproxy w/ ekiga

Ben Racher mack.stout at gmail.com
Thu Apr 19 05:14:13 CEST 2007 

I'm trying to use openser's (1.1.1) default nathelper.cfg to connect two 
ekiga clients. One is behind a NAT. Both can contact each other, but the 
media streams (neither video nor audio) don't seem to be setup for some 
reason. rtpproxy registers that it should setup the connection, but it 
doesn't seem to take off past that.

here's an ngrep dump of the NAT'd client calling the other, and could 
appreciate some wisdom on what I need to fix and what the problem is. 
thanks.

--------

U 2006/04/20 00:11:09.663917 209.91.15.175:5071 -> 209.91.15.110:5060
INVITE sip:test at 209.91.15.110 SIP/2.0.
Date: Thu, 19 Apr 2007 04:44:30 GMT.
CSeq: 1 INVITE.
Via: SIP/2.0/UDP 
192.168.0.25:5071;branch=z9hG4bK9280b754-9eec-db11-9dcc-00187185e000;rport.
User-Agent: Ekiga/2.0.3.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>.
Contact: <sip:test_store at 192.168.0.25:5071;transport=udp>.
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE.
Content-Type: application/sdp.
Content-Length: 227.
Max-Forwards: 70.
.
v=0.
o=- 1176957870 1176957870 IN IP4 192.168.0.25.
s=Opal SIP Session.
c=IN IP4 192.168.0.25.
t=0 0.
m=audio 5006 RTP/AVP 101.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
m=video 5008 RTP/AVP 31.
a=rtpmap:31 H261/90000.


U 2006/04/20 00:11:09.673012 209.91.15.110:5060 -> 209.91.15.175:5071
SIP/2.0 100 trying -- your call is important to us.
CSeq: 1 INVITE.
Via: SIP/2.0/UDP 
192.168.0.25:5071;branch=z9hG4bK9280b754-9eec-db11-9dcc-00187185e000;rport=5071;received=209.91.15.175.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>.
Server: OpenSer (1.1.1-notls (i386/linux)).
Content-Length: 0.
Warning: 392 209.91.15.110:5060 "Noisy feedback tells:  pid=4047 
req_src_ip=209.91.15.175 req_src_port=5071 in_uri=sip:test at 209.91.15.110 
out_uri=sip:test at 209.91.15.19:5074;transport=udp via_cnt==1".
.


U 2006/04/20 00:11:09.673822 209.91.15.110:5060 -> 209.91.15.19:5074
INVITE sip:test at 209.91.15.19:5074;transport=udp SIP/2.0.
Record-Route: 
<sip:209.91.15.110;lr=on;ftag=a84faa54-9eec-db11-9dcc-00187185e000>.
Date: Thu, 19 Apr 2007 04:44:30 GMT.
CSeq: 1 INVITE.
Via: SIP/2.0/UDP 209.91.15.110;branch=z9hG4bK393e.770a5756.0.
Via: SIP/2.0/UDP 
192.168.0.25:5071;received=209.91.15.175;branch=z9hG4bK9280b754-9eec-db11-9dcc-00187185e000;rport=5071.
User-Agent: Ekiga/2.0.3.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>.
Contact: <sip:test_store at 209.91.15.175:5071;transport=udp>.
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE.
Content-Type: application/sdp.
Content-Length: 270.
Max-Forwards: 69.
P-hint: usrloc applied.
.
v=0.
o=- 1176957870 1176957870 IN IP4 192.168.0.25.
s=Opal SIP Session.
c=IN IP4 209.91.15.110.
t=0 0.
m=audio 35000 RTP/AVP 101.
a=rtpmap:101 telephone-event/8000.
a=fmtp:101 0-15.
m=video 35002 RTP/AVP 31.
a=rtpmap:31 H261/90000.
a=direction:active.
a=nortpproxy:yes.


U 2006/04/20 00:11:09.678496 209.91.15.19:5074 -> 209.91.15.110:5060
SIP/2.0 100 Trying.
CSeq: 1 INVITE.
Via: SIP/2.0/UDP 209.91.15.110;branch=z9hG4bK393e.770a5756.0.
Via: SIP/2.0/UDP 
192.168.0.25:5071;received=209.91.15.175;branch=z9hG4bK9280b754-9eec-db11-9dcc-00187185e000;rport=5071.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>.
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE.
Content-Length: 0.
Record-Route: 
<sip:209.91.15.110;lr=on;ftag=a84faa54-9eec-db11-9dcc-00187185e000>.
.


U 2006/04/20 00:11:09.801370 209.91.15.19:5075 -> 209.91.15.110:5060
SIP/2.0 100 Trying.
CSeq: 1 INVITE.
Via: SIP/2.0/UDP 209.91.15.110;branch=z9hG4bK393e.770a5756.0.
Via: SIP/2.0/UDP 
192.168.0.25:5071;received=209.91.15.175;branch=z9hG4bK9280b754-9eec-db11-9dcc-00187185e000;rport=5071.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>;tag=0a37f656-5cec-db11-9452-001372710463.
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE.
Content-Length: 0.
Record-Route: 
<sip:209.91.15.110;lr=on;ftag=a84faa54-9eec-db11-9dcc-00187185e000>.
.


U 2006/04/20 00:11:09.824859 209.91.15.19:5075 -> 209.91.15.110:5060
SIP/2.0 502 Bad Gateway.
CSeq: 1 INVITE.
Via: SIP/2.0/UDP 209.91.15.110;branch=z9hG4bK393e.770a5756.0.
Via: SIP/2.0/UDP 
192.168.0.25:5071;received=209.91.15.175;branch=z9hG4bK9280b754-9eec-db11-9dcc-00187185e000;rport=5071.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>;tag=0a37f656-5cec-db11-9452-001372710463.
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE.
Content-Length: 0.
Record-Route: 
<sip:209.91.15.110;lr=on;ftag=a84faa54-9eec-db11-9dcc-00187185e000>.
.


U 2006/04/20 00:11:09.827826 209.91.15.110:5060 -> 209.91.15.19:5074
ACK sip:test at 209.91.15.19:5074;transport=udp SIP/2.0.
Via: SIP/2.0/UDP 209.91.15.110;branch=z9hG4bK393e.770a5756.0.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>;tag=0a37f656-5cec-db11-9452-001372710463.
CSeq: 1 ACK.
User-Agent: OpenSer (1.1.1-notls (i386/linux)).
Content-Length: 0.
.


U 2006/04/20 00:11:09.828858 209.91.15.110:5060 -> 209.91.15.175:5071
SIP/2.0 502 Bad Gateway.
CSeq: 1 INVITE.
Via: SIP/2.0/UDP 
192.168.0.25:5071;received=209.91.15.175;branch=z9hG4bK9280b754-9eec-db11-9dcc-00187185e000;rport=5071.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>;tag=0a37f656-5cec-db11-9452-001372710463.
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE.
Content-Length: 0.
Record-Route: 
<sip:209.91.15.110;lr=on;ftag=a84faa54-9eec-db11-9dcc-00187185e000>.
.


U 2006/04/20 00:11:09.847970 209.91.15.175:5071 -> 209.91.15.110:5060
ACK sip:test at 209.91.15.110 SIP/2.0.
CSeq: 1 ACK.
Via: SIP/2.0/UDP 
192.168.0.25:5071;branch=z9hG4bK9280b754-9eec-db11-9dcc-00187185e000;rport.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>;tag=0a37f656-5cec-db11-9452-001372710463.
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE.
Content-Length: 0.
Max-Forwards: 70.
.


U 2006/04/20 00:11:10.209491 209.91.15.19:5075 -> 209.91.15.110:5060
SIP/2.0 200 OK.
CSeq: 1 INVITE.
Via: SIP/2.0/UDP 209.91.15.110;branch=z9hG4bK393e.770a5756.0.
Via: SIP/2.0/UDP 
192.168.0.25:5071;received=209.91.15.175;branch=z9hG4bK9280b754-9eec-db11-9dcc-00187185e000;rport=5071.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>;tag=0a37f656-5cec-db11-9452-001372710463.
Contact: <sip:test at 209.91.15.19:5075;transport=udp>.
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE.
Content-Type: application/sdp.
Content-Length: 153.
Record-Route: 
<sip:209.91.15.110;lr=on;ftag=a84faa54-9eec-db11-9dcc-00187185e000>.
.
v=0.
o=- 1176929527 1176929527 IN IP4 209.91.15.19.
s=Opal SIP Session.
c=IN IP4 209.91.15.19.
t=0 0.
m=video 5012 RTP/AVP 31.
a=rtpmap:31 H261/90000.


U 2006/04/20 00:11:10.210568 209.91.15.110:5060 -> 209.91.15.175:5071
SIP/2.0 200 OK.
CSeq: 1 INVITE.
Via: SIP/2.0/UDP 
192.168.0.25:5071;received=209.91.15.175;branch=z9hG4bK9280b754-9eec-db11-9dcc-00187185e000;rport=5071.
From: "Test Store" 
<sip:test_store at 209.91.15.110>;tag=a84faa54-9eec-db11-9dcc-00187185e000.
Call-ID: 3a45aa54-9eec-db11-9dcc-00187185e000 at 192.168.0.25.
To: <sip:test at 209.91.15.110>;tag=0a37f656-5cec-db11-9452-001372710463.
Contact: <sip:test at 209.91.15.19:5075;transport=udp>.
Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE.
Content-Type: application/sdp.
Content-Length: 173.
Record-Route: 
<sip:209.91.15.110;lr=on;ftag=a84faa54-9eec-db11-9dcc-00187185e000>.
.
v=0.
o=- 1176929527 1176929527 IN IP4 209.91.15.19.
s=Opal SIP Session.
c=IN IP4 209.91.15.110.
t=0 0.
m=video 35004 RTP/AVP 31.
a=rtpmap:31 H261/90000.
a=nortpproxy:yes.

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