Enable rport, The issue was from 15183 and we respond to 5074, so the device never receives the 401. Nat 101 /b On Sun, Feb 18, 2018 at 11:28 AM, Sean Devoy <sdevoy@bizfocused.com> wrote:
HI all,
I have a NAT problem I can’t seem to get past. The phone is NATed. From my location with a FIOS router it works fine. But the client recently upgraded to a new SonicWall router and splat, this device failed. There are about 10 Cisco phones at this location working fine. This phone is a Panasonic KX-TGP550.
I have poured over the sip logs and identified the problem. *The sip packets come from the router IP and port 15xxx but are returned to that IP and the phone’s source port 5060 instead of 15xxx.*
I have tried every NDLB feature I can find, but not every combination. The responses always go back to the wrong port.
Any help would be greatly appreciated.
Thanks,
Sean
Sample sip dump:
------------------------------------------------------------ ------------
recv 492 bytes from *udp/[98.204.241.22]:15183* at 23:16:33.764217:
------------------------------------------------------------ ------------
REGISTER sip:XYZ.bizfocused.com:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.2.109:5074;branch=z9hG4bKb6be703b
Max-Forwards: 70
To: <sip:34@XYZ.bizfocused.com>
From: <sip:34@XYZ.bizfocused.com>;tag=3263080642
Call-ID: 97742e94-d1dc14228bad9baadd810080f041d179@192.168.2.109
CSeq: 1 REGISTER
Contact: <sip:34@192.168.2.109:5074>
Expires: 3600
Allow: INVITE,ACK,CANCEL,BYE,OPTIONS,NOTIFY,REFER,UPDATE
User-Agent: Panasonic_KX-TGP550T04/13.33 (0080f041d179)
Content-Length: 0
-------------------------------------------------------- ----------------
send 669 bytes to *udp/[98.204.241.22]:5074* at 23:16:33.764394:
------------------------------------------------------------ ------------
SIP/2.0 401 Unauthorized
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