[OpenSIPS-Users] Polycom 650 can't Register behind NAT

[osiris123d]

I am sure this is not a OpenSIPs issue, but I was just wondering if people
have run into this and what they have done to resolve this.  I currently
have been testing my OpenSIPs config with Counterpaths Bria client and also
the SJphone.  They don't have any issues registering behind NAT.  I just
purchases a Polycom 650 phone and I cannot get it to register.  When I do an
ngrep I see that the phone is wanting OpenSIPS to talk back to it via port
5060.  When I do an ngrep with Bria or SJphone I see that when OpenSIPS
replies back to the softphone it is not on port 5060.  

Here is the ngrep showing a polycom trying to register

U 75.65.x.x:5060 -> 66.80.x.x:5060
REGISTER sip:sip.xxxx.com SIP/2.0.
Via: SIP/2.0/UDP 192.168.0.100;branch=z9hG4bK484090eaC6F4185B.
From: "DL" <sip:DL at sip.xxxx.com>;tag=2AED749F-64CCEB50.
To: <sip:DL at sip.xxxx.com>.
CSeq: 1 REGISTER.
Call-ID: 86e5160c-a73b99fd-e4c3b42e at 192.168.0.100.
Contact: <sip:DL at 192.168.0.100>;methods="INVITE, ACK, BYE, CANCEL, OPTIONS,
INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPD
ATE, REFER".
User-Agent: PolycomSoundPointIP-SPIP_650-UA/3.1.2.0392.
Accept-Language: en.
Max-Forwards: 70.
Expires: 3600.
Content-Length: 0.
.


U 66.80.x.x:5060 -> 75.65.x.x:5060
SIP/2.0 401 Unauthorized.
Via: SIP/2.0/UDP
192.168.0.100;branch=z9hG4bK484090eaC6F4185B;received=75.65.x.x.
From: "DL" <sip:DL at sip.xxxx.com>;tag=2AED749F-64CCEB50.
To: <sip:DL at sip.xxxx.com>;tag=eb4f595d3de5f0bd1aa7f6687dc18bd8.e526.
CSeq: 1 REGISTER.
Call-ID: 86e5160c-a73b99fd-e4c3b42e at 192.168.0.100.
Server: xxxx SIP Proxy.
Content-Length: 0.
.


U 75.65.x.x:5060 -> 66.80.x.x:5060
REGISTER sip:sip.xxxx.com SIP/2.0.
Via: SIP/2.0/UDP 192.168.0.100;branch=z9hG4bK8e1a28414313B72.
From: "DL" <sip:DL at sip.xxxx.com>;tag=2AED749F-64CCEB50.
To: <sip:DL at sip.xxxx.com>.
CSeq: 2 REGISTER.
Call-ID: 86e5160c-a73b99fd-e4c3b42e at 192.168.0.100.
Contact: <sip:DL at 192.168.0.100>;methods="INVITE, ACK, BYE, CANCEL, OPTIONS,
INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPD
ATE, REFER".
User-Agent: PolycomSoundPointIP-SPIP_650-UA/3.1.2.0392.
Accept-Language: en.
Max-Forwards: 70.
Expires: 3600.
Content-Length: 0.

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