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524SG Handset Un-Registered Abnormally

Greetings, we have recently purchased some 524SG IP Phones for our lab, each one is currently attatched to a seperate UC500, every couple of minutes the phones un-register abnormally with the following message, this happens on both UC520's

Apr 17 15:22:40.750: %IPPHONE-6-REGISTER: ephone-5:SEP00211BFC9BFC IP:192.168.254.12 Socket:6 DeviceType:Phone has registered.

Apr 17 15:24:49.726: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1/7, changed state to down

Apr 17 15:24:50.730: %LINK-3-UPDOWN: Interface FastEthernet0/1/7, changed state to down

Apr 17 15:24:59.386: %LINK-3-UPDOWN: Interface FastEthernet0/1/7, changed state to up

Apr 17 15:25:00.386: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1/7, changed state to up

Apr 17 15:25:01.570: %IPPHONE-6-REG_ALARM: Name=SEP00211BFC9BFC Load=8.1.13 Last=Cold+VlanChangedByCDP

Apr 17 15:25:01.770: %IPPHONE-6-UNREGISTER_ABNORMAL: ephone-5:SEP00211BFC9BFC IP:192.168.254.12 Socket:6 DeviceType:Phone has unregistered abnormally.

Apr 17 15:25:01.770: %IPPHONE-6-REGISTER: ephone-5:SEP00211BFC9BFC IP:192.168.254.12 Socket:1 DeviceType:Phone has registered.

Im running IOS version 12.4(20)T2 and CME version 7.0(0.

Has anyone come across this before? Most of the messages im aware of except this one.

Last=Cold+VlanChangedByCDP

Any help would be much appreciated.

Regards

1 REPLY

Re: 524SG Handset Un-Registered Abnormally

What are the phones connected to? The UC520, a cisco switch, hub, etc?

-nick

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