IP Phone dropping registrations

[tpengineer]

Hi All,

I had a Cisco 7975 IP Phone registered in CUCM, I edited the device pool name and region name associated with that IP phone today and since then the IP phone registration is dropping intermittently.

I tried to give it a re-start few times but no joy, any idea what could be the issue and how it can be resolved. I got the message while editing the region name that devices associated with it would need a immediate re-start and I did that but I would say it wasn't very immediate so not sure if that is something causing this issue now....

Any inputs would be highly appreciated.

Thank You.

[Leo Salcie Tejeda]

Hi tp tech,

That look like a network or a firmware problem. Have you look for packet loss on the switch interface?

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[tpengineer]

The IP phone is stuck in rebotting or restarting mode.....do you think it's a network problem ? It was fine before , this problem came only after I edted the region name associated with that IP phone I believe.

[Leo Salcie Tejeda]

Have you try a hard reset?

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[tpengineer]

This Ip phone is connected with a CTS Telepresence device codec and FE plug out and plug in back the network cable on the IP phone but still it's showing the same error message, I will follow up with him tomorrow to captire sniffer trace to see i if it helps...

Thank You

[Jonathan Schulenberg]

Have you tried resetting the CTS CODEC it's plugged into and verified the CODEC has network access?