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Author Topic: SIP Device IP Change Problem  (Read 198 times)

Offline Brandon763

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SIP Device IP Change Problem
« on: October 23, 2017, 12:42:58 PM »
I have a Polycom Soundstation 7000 that is connected via SIP to a Mitel 250 / 5000 .  When I change the IP Address on the Polycom, I encounter a problem with my ability to place outside calls.

Specifically, on the original IP I can dial 1-800-XXX-XXXX and 800-XXX-XXXX with both dialing patterns succeeding. When I change the device to the new IP 1-800 works and 800 fails. When I change back to the original IP, all works well (no other changes are made).

It should be noted that the original IP is on the same VLAN as the 5000 equipment. The new IP is on a separate subnet with NO firewalls or ACLs between them.

I can also call internal extensions with no problem.

I'm thinking there might be a configuration somewhere that defines what IPs SIP devices should use but I've browsed through all the configurations and haven't found any obvious settings.

Any thoughts?




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