[Users] infinite register loop with eyeBeam when call forking one an SER proxy

Dr. Rodney G. McDuff mcduff at its.uq.edu.au
Tue Jan 17 08:04:45 CET 2006


I am using SER 0.9.4 as a sip proxy. In the proxy I have setup a
permanent user location pointing to our cisco sip/PSTN gateway; the idea
being that when I ring my sip address it rings both my PSTN phone and my
sip client.

When I use X-Lite it all works perfectly. X-Lite REGISTERs a couple of
times and when I INVITE someone sip URI both phones rings. First phone
that asnwers get the prize all others get a CANCEL.

When I use eyebeam [eyeBeam release 3010n stamp 19039] all I get is a
seemingly infinite loop of REGISTERs with incrementing Cseq. Below is a
ngrep at the proxy.

Has anyone seen this behavior and known if its a bug with eyeBeam or the
SER config?





T xxx.xxx.152.78:1758 -> xxx.xxx.2.40:5060 [AP]
REGISTER sip:sip.domain SIP/2.0.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-4152d5791948a902-1--d87543-;rport.

Max-Forwards: 70.
Contact: <sip:username at xxx.xxx.152.78:1758>.
To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 375 REGISTER.
Expires: 3600.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
SUBSCRIBE, INFO.
Supported: eventlist.
User-Agent: eyeBeam release 3010n stamp 19039.
Authorization: Digest
username="username",realm="sip.domain",nonce="43cc8e5a5cb47d54a7c640016623a782b1206e3b",uri="sip:sip.domain",response="cdae7a3787b5539f61c1b20087efc3e0",algorithm=MD5.

Content-Length: 0.
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 100 Trying.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-4152d5791948a902-1--d87543-;rport=1758.

To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 375 REGISTER.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-4152d5791948a902-1--d87543-;rport=1758.

To: "Unhappy eyeBeam
Client"<sip:username at sip.domain>;tag=b5c61af9a6130f64fdf89dc761547723.a060.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 375 REGISTER.
Contact: <sip:58220 at sip.pstn.gw.ip>;q=1;expires=4294965840,
<sip:username at xxx.xxx.152.57:5060>;expires=503;received="sip:xxx.xxx.152.57:5060",
<sip:username at xxx.xxx.152.78:5060>;expires=1356,
<sip:username at xxx.xxx.152.78:1758>;expires=3600.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

##
T xxx.xxx.152.78:1758 -> xxx.xxx.2.40:5060 [AP]
REGISTER sip:sip.domain SIP/2.0.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-3d42141dce2ee012-1--d87543-;rport.

Max-Forwards: 70.
Contact: <sip:username at xxx.xxx.152.78:1758>.
To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 376 REGISTER.
Expires: 3600.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
SUBSCRIBE, INFO.
Supported: eventlist.
User-Agent: eyeBeam release 3010n stamp 19039.
Authorization: Digest
username="username",realm="sip.domain",nonce="43cc8e5a5cb47d54a7c640016623a782b1206e3b",uri="sip:sip.domain",response="cdae7a3787b5539f61c1b20087efc3e0",algorithm=MD5.

Content-Length: 0.
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 100 Trying.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-3d42141dce2ee012-1--d87543-;rport=1758.

To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 376 REGISTER.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-3d42141dce2ee012-1--d87543-;rport=1758.

To: "Unhappy eyeBeam
Client"<sip:username at sip.domain>;tag=b5c61af9a6130f64fdf89dc761547723.80b3.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 376 REGISTER.
Contact: <sip:58220 at sip.pstn.gw.ip>;q=1;expires=4294965840,
<sip:username at xxx.xxx.152.57:5060>;expires=503;received="sip:xxx.xxx.152.57:5060",
<sip:username at xxx.xxx.152.78:5060>;expires=1356,
<sip:username at xxx.xxx.152.78:1758>;expires=3600.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

##
T xxx.xxx.152.78:1758 -> xxx.xxx.2.40:5060 [AP]
REGISTER sip:sip.domain SIP/2.0.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-5861a63d14707c05-1--d87543-;rport.

Max-Forwards: 70.
Contact: <sip:username at xxx.xxx.152.78:1758>.
To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 377 REGISTER.
Expires: 3600.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
SUBSCRIBE, INFO.
Supported: eventlist.
User-Agent: eyeBeam release 3010n stamp 19039.
Authorization: Digest
username="username",realm="sip.domain",nonce="43cc8e5a5cb47d54a7c640016623a782b1206e3b",uri="sip:sip.domain",response="cdae7a3787b5539f61c1b20087efc3e0",algorithm=MD5.

Content-Length: 0.
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 100 Trying.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-5861a63d14707c05-1--d87543-;rport=1758.

To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 377 REGISTER.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-5861a63d14707c05-1--d87543-;rport=1758.

To: "Unhappy eyeBeam
Client"<sip:username at sip.domain>;tag=b5c61af9a6130f64fdf89dc761547723.2412.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 377 REGISTER.
Contact: <sip:58220 at sip.pstn.gw.ip>;q=1;expires=4294965839,
<sip:username at xxx.xxx.152.57:5060>;expires=502;received="sip:xxx.xxx.152.57:5060",
<sip:username at xxx.xxx.152.78:5060>;expires=1355,
<sip:username at xxx.xxx.152.78:1758>;expires=3600.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

##
U xxx.xxx.152.78:5060 -> xxx.xxx.2.40:5060
.

#
T xxx.xxx.152.78:1758 -> xxx.xxx.2.40:5060 [AP]
REGISTER sip:sip.domain SIP/2.0.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-4675e1000b2e3f40-1--d87543-;rport.

Max-Forwards: 70.
Contact: <sip:username at xxx.xxx.152.78:1758>.
To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 378 REGISTER.
Expires: 3600.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
SUBSCRIBE, INFO.
Supported: eventlist.
User-Agent: eyeBeam release 3010n stamp 19039.
Authorization: Digest
username="username",realm="sip.domain",nonce="43cc8e5a5cb47d54a7c640016623a782b1206e3b",uri="sip:sip.domain",response="cdae7a3787b5539f61c1b20087efc3e0",algorithm=MD5.

Content-Length: 0.
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 100 Trying.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-4675e1000b2e3f40-1--d87543-;rport=1758.

To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 378 REGISTER.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-4675e1000b2e3f40-1--d87543-;rport=1758.

To: "Unhappy eyeBeam
Client"<sip:username at sip.domain>;tag=b5c61af9a6130f64fdf89dc761547723.9461.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 378 REGISTER.
Contact: <sip:58220 at sip.pstn.gw.ip>;q=1;expires=4294965839,
<sip:username at xxx.xxx.152.57:5060>;expires=502;received="sip:xxx.xxx.152.57:5060",
<sip:username at xxx.xxx.152.78:5060>;expires=1355,
<sip:username at xxx.xxx.152.78:1758>;expires=3600.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

##
T xxx.xxx.152.78:1758 -> xxx.xxx.2.40:5060 [AP]
REGISTER sip:sip.domain SIP/2.0.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-5f45fd45452d0a56-1--d87543-;rport.

Max-Forwards: 70.
Contact: <sip:username at xxx.xxx.152.78:1758>.
To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 379 REGISTER.
Expires: 3600.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
SUBSCRIBE, INFO.
Supported: eventlist.
User-Agent: eyeBeam release 3010n stamp 19039.
Authorization: Digest
username="username",realm="sip.domain",nonce="43cc8e5a5cb47d54a7c640016623a782b1206e3b",uri="sip:sip.domain",response="cdae7a3787b5539f61c1b20087efc3e0",algorithm=MD5.

Content-Length: 0.
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 100 Trying.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-5f45fd45452d0a56-1--d87543-;rport=1758.

To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 379 REGISTER.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-5f45fd45452d0a56-1--d87543-;rport=1758.

To: "Unhappy eyeBeam
Client"<sip:username at sip.domain>;tag=b5c61af9a6130f64fdf89dc761547723.7aca.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 379 REGISTER.
Contact: <sip:58220 at sip.pstn.gw.ip>;q=1;expires=4294965839,
<sip:username at xxx.xxx.152.57:5060>;expires=502;received="sip:xxx.xxx.152.57:5060",
<sip:username at xxx.xxx.152.78:5060>;expires=1355,
<sip:username at xxx.xxx.152.78:1758>;expires=3600.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

##
T xxx.xxx.152.78:1758 -> xxx.xxx.2.40:5060 [AP]
REGISTER sip:sip.domain SIP/2.0.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-277dc139635ed406-1--d87543-;rport.

Max-Forwards: 70.
Contact: <sip:username at xxx.xxx.152.78:1758>.
To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 380 REGISTER.
Expires: 3600.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
SUBSCRIBE, INFO.
Supported: eventlist.
User-Agent: eyeBeam release 3010n stamp 19039.
Authorization: Digest
username="username",realm="sip.domain",nonce="43cc8e5a5cb47d54a7c640016623a782b1206e3b",uri="sip:sip.domain",response="cdae7a3787b5539f61c1b20087efc3e0",algorithm=MD5.

Content-Length: 0.
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 100 Trying.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-277dc139635ed406-1--d87543-;rport=1758.

To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 380 REGISTER.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-277dc139635ed406-1--d87543-;rport=1758.

To: "Unhappy eyeBeam
Client"<sip:username at sip.domain>;tag=b5c61af9a6130f64fdf89dc761547723.5668.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 380 REGISTER.
Contact: <sip:58220 at sip.pstn.gw.ip>;q=1;expires=4294965839,
<sip:username at xxx.xxx.152.57:5060>;expires=502;received="sip:xxx.xxx.152.57:5060",
<sip:username at xxx.xxx.152.78:5060>;expires=1355,
<sip:username at xxx.xxx.152.78:1758>;expires=3600.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

##
T xxx.xxx.152.78:1758 -> xxx.xxx.2.40:5060 [AP]
REGISTER sip:sip.domain SIP/2.0.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-3e3eaf4bb77a4835-1--d87543-;rport.

Max-Forwards: 70.
Contact: <sip:username at xxx.xxx.152.78:1758>.
To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 381 REGISTER.
Expires: 3600.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE,
SUBSCRIBE, INFO.
Supported: eventlist.
User-Agent: eyeBeam release 3010n stamp 19039.
Authorization: Digest
username="username",realm="sip.domain",nonce="43cc8e5a5cb47d54a7c640016623a782b1206e3b",uri="sip:sip.domain",response="cdae7a3787b5539f61c1b20087efc3e0",algorithm=MD5.

Content-Length: 0.
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 100 Trying.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-3e3eaf4bb77a4835-1--d87543-;rport=1758.

To: "Unhappy eyeBeam Client"<sip:username at sip.domain>.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 381 REGISTER.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

#
T xxx.xxx.2.40:5060 -> xxx.xxx.152.78:1758 [AP]
SIP/2.0 200 OK.
Via: SIP/2.0/TCP
xxx.xxx.152.78:8970;branch=z9hG4bK-d87543-3e3eaf4bb77a4835-1--d87543-;rport=1758.

To: "Unhappy eyeBeam
Client"<sip:username at sip.domain>;tag=b5c61af9a6130f64fdf89dc761547723.641b.
From: "Unhappy eyeBeam Client"<sip:username at sip.domain>;tag=5b23e370.
Call-ID: 480f10142f438b44 at c3RnLWRlbGw..
CSeq: 381 REGISTER.
Contact: <sip:58220 at sip.pstn.gw.ip>;q=1;expires=4294965839,
<sip:username at xxx.xxx.152.57:5060>;expires=502;received="sip:xxx.xxx.152.57:5060",
<sip:username at xxx.xxx.152.78:5060>;expires=1355,
<sip:username at xxx.xxx.152.78:1758>;expires=3600.
Server: Sip EXpress router (0.9.4 (i386/linux)).
Content-Length: 0.
Warning: 392 xxx.xxx.2.40:5060 "Noisy feedback tells:  pid=11879
req_src_ip=xxx.xxx.152.78 req_src_port=1758 in_uri=sip:sip.domain
out_uri=sip:sip.domain via_cnt==1".
.

-- 
Dr. Rodney G. McDuff                 |Ex ignorantia ad sapientiam
Manager, Strategic Technologies Group|    Ex luce ad tenebras
Information Technology Services      |
The University of Queensland         |
EMAIL: mcduff at its.uq.edu.au          |
TELEPHONE: +61 7 3365 8220           | 






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