Phone unregistering - TCP_Timeout

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Greetings All,

I have a small lab with a couple of SPA509 and 7962 phones setup and I am noticing that the phones are sparatically unregistering once or twice a day. The reason it lists is "TCP_Timeout"...

The phones are attached in a very simple manner....PHONE -> Cisco 2960 PoE switch -> UC560.

I've heard that the TCP_Timeout issue was seen in ESW Switches....

Also, we are running the latest and greatest IOS of 15.0 XA2

Any thoughts?

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