uc560 issues with phones

Unanswered Question
Jul 13th, 2010
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hello we have a uc560 and 2 esw switches, poe, 24 ports each.

the uc560 was upgraded to the latest version. we are using cca 2.2.4


these are our problems



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Some of the 525g's are giving the error "Max number of phones registered" this requires several unplug's for the phones to sync up. I have noticed this on all 3 of the phones in the building.



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Phones dropping off the network after being left alone for several hours/overnight.

The phones will boot up to initializing network, then get stuck on a blank screen. Checking under network status shows the correct TCP info, several unplugs are needed to resync the phone to the network or rebooting the switches & UC560. Cabling does not seem to be the issue as its random phones around the office and the problem follows the phone when moved.


what do you think is the problem?

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