Hello,


I have a small install with 6 devices, 5 Polycom 331 and 1 Polycom 650 with
Expansion Module.



The SIPx server is hosted at another site, and there is a site to site VPN
connected between the two sites. The 331 phones register just fine, but the
650 seems to register to the SIPx server as a NAT’ed client.



sip:2...@domain

<sip:[email protected];x-sipX-nonat>

2388

sip:205@ domain

<sip:[email protected];x-sipX-nonat>

1296

sip:208@ domain

<sip:[email protected];x-sipX-nonat>

231

sip:206@ domain

<sip:[email protected];x-sipX-nonat>

1430

sip:207@ domain

<sip:[email protected];x-sipX-nonat>

1285

sip:200@ domain

<sip:[email protected]:1024;x-sipX-privcontact=10.50.11.99>

1790

sip:200@ domain

<sip:[email protected];x-sipX-nonat>

3072



The calls will not work to x200 as I believe the SIPx server is trying to
contact the external IP of the firewall instead of going over the site to
site VPN.



Why would the Polycom 650 have a problem, when the 331’s are working just
fine. They are all in the same phone group with the same options configured.



Thanks,


B
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