[OpenSIPS-Users] Polycom REGISTER loop

Nick Khamis symack at gmail.com
Wed Jan 9 23:05:01 CET 2013


Hello Everyone,

After scrambling to close up some gaping holes and getting RTP
relaying some media,
all of which is playing so nicely together. I have been accused of
breaking the "REGISTER"
functionality on the local Polycom phones. The remote ones all seem to
be ok but for some reason, I have the following SIP trace from the
local phones:

I suspect it's the "opensips.example.com." (which the actual domain
name has been replaced for security reasons) at the bottom of the
response causing the problem?

U 1999/12/18 17:42:11.890804 192.168.2.11:5060 -> 192.168.2.5:5060
REGISTER sip:192.168.2.5:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.2.11:5060;branch=z9hG4bK5dfc96b3ADE4AD6E.
From: "1001" <sip:1001 at 192.168.2.5>;tag=8D956A9-11D1CBB2.
To: <sip:1001 at 192.168.2.5>.
CSeq: 1 REGISTER.
Call-ID: 1496d055-3a3afc27-1f9da518 at 192.168.2.11.
Contact: <sip:1001 at 192.168.2.11:5060>;methods="INVITE, ACK, BYE,
CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE,
REFER".
User-Agent: PolycomSoundPointIP-SPIP_301-UA/3.1.8.0070.
Accept-Language: en.
Max-Forwards: 70.
Expires: 3600.
Content-Length: 0.
.


U 1999/12/18 17:42:11.891532 192.168.2.5:5060 -> 192.168.2.11:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP
192.168.2.11:5060;received=192.168.2.11;rport=5060;branch=z9hG4bK5dfc96b3ADE4AD6E.
From: "1001" <sip:1001 at 192.168.2.5>;tag=8D956A9-11D1CBB2.
To: <sip:1001 at 192.168.2.5>;tag=b3499e451a8d3922338ff1f455481e64.34b3.
CSeq: 1 REGISTER.
Call-ID: 1496d055-3a3afc27-1f9da518 at 192.168.2.11.
Contact: <sip:1001 at 192.168.2.11:5060>;expires=3600.
opensips.example.com.
Content-Length: 0.
Warning: 392 192.168.2.5:5060 "Noisy feedback tells:  pid=2910
req_src_ip=192.168.2.11 req_src_port=5060 in_uri=sip:192.168.2.5:5060
out_uri=sip:192.168.2.5:5060 via_cnt==1".
.


U 1999/12/18 17:42:12.860355 192.168.2.11:5060 -> 192.168.2.5:5060
REGISTER sip:192.168.2.5:5060 SIP/2.0.
Via: SIP/2.0/UDP 192.168.2.11:5060;branch=z9hG4bK52241620779FEF4F.
From: "1001" <sip:1001 at 192.168.2.5>;tag=DC560FE-72CEA503.
To: <sip:1001 at 192.168.2.5>.
CSeq: 1 REGISTER.
Call-ID: df32c17a-de5b3c44-2c79b191 at 192.168.2.11.
Contact: <sip:1001 at 192.168.2.11:5060>;methods="INVITE, ACK, BYE,
CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE,
REFER".
User-Agent: PolycomSoundPointIP-SPIP_301-UA/3.1.8.0070.
Accept-Language: en.
Max-Forwards: 70.
Expires: 3600.
Content-Length: 0.
.


U 1999/12/18 17:42:12.860750 192.168.2.5:5060 -> 192.168.2.11:5060
SIP/2.0 200 OK.
Via: SIP/2.0/UDP
192.168.2.11:5060;received=192.168.2.11;rport=5060;branch=z9hG4bK52241620779FEF4F.
From: "1001" <sip:1001 at 192.168.2.5>;tag=DC560FE-72CEA503.
To: <sip:1001 at 192.168.2.5>;tag=b3499e451a8d3922338ff1f455481e64.2efb.
CSeq: 1 REGISTER.
Call-ID: df32c17a-de5b3c44-2c79b191 at 192.168.2.11.
Contact: <sip:1001 at 192.168.2.11:5060>;expires=3600.
opensips.example.com.
Content-Length: 0.
Warning: 392 192.168.2.5:5060 "Noisy feedback tells:  pid=2912
req_src_ip=192.168.2.11 req_src_port=5060 in_uri=sip:192.168.2.5:5060
out_uri=sip:192.168.2.5:5060 via_cnt==1".

As you can see the expire is set to 3600 on the UA, and the ok is
being sent back however, Poly does not seem to be receiving the 200?

Thanks in Advance,

Nick.
.



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