Hi,

I’ve got an issue trying to register a Polycom IP320 against FS 1.0.1, as below the Polycom is coming from and registering with a contact port 5076, however FS is sending the 401 to port 5060.  Any ideas?  I have a Snom registering successfully as 1000 from behind a different NAT.  Any ideas?

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U 203.23.223.109:5076 -> 4.53.88.29:5060

REGISTER sip:4.53.88.29 SIP/2.0.

Via: SIP/2.0/UDP 192.168.1.1;branch=z9hG4bK7db8749a8ECDE4D3.

From: "Craig Guy" <sip:1001@4.53.88.29>;tag=914B0517-5EB6FA00.

To: <sip:1001@4.53.88.29>.

CSeq: 1 REGISTER.

Call-ID: 7ef2a3fc-a794db15-262aa31e@192.168.1.1.

Contact: <sip:1001@203.23.223.109:5076>;methods="INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER".

User-Agent: PolycomSoundPointIP-SPIP_320-UA/2.1.2.0049.

Max-Forwards: 70.

Expires: 3600.

Content-Length: 0.

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#

U 4.53.88.29:5060 -> 203.23.223.109:5060

SIP/2.0 401 Unauthorized.

Via: SIP/2.0/UDP 192.168.1.1;branch=z9hG4bK7db8749a8ECDE4D3;received=203.23.223.109.

From: "Craig Guy" <sip:1001@4.53.88.29>;tag=914B0517-5EB6FA00.

To: <sip:1001@4.53.88.29>;tag=7U95e600jSH5e.

Call-ID: 7ef2a3fc-a794db15-262aa31e@192.168.1.1.

CSeq: 1 REGISTER.

User-Agent: FreeSWITCH-mod_sofia/1.0.1-exported.

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE, SUBSCRIBE, NOTIFY, REFER, UPDATE, REGISTER, INFO, PUBLISH.

Supported: 100rel, timer, precondition, path, replaces.

WWW-Authenticate: Digest realm="4.53.88.29", nonce="b59a58b1-bdc6-4487-b346-12838168039d", algorithm=MD5, qop="auth".

Content-Length: 0.

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