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New Member

9971 and LKEM not working

Hi Community

The expansion module CKEM does not initialize on a 9971. The IP Phone is attached to a cube 4.

It's running on CUCM 8.6. Module 1 is enabled for The CKEM 36 buttons. Phone Template is active with Firmware sip9971.9-2-3-27.

The CKEM works fine on a 9951.

Any idea, what I can do?


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Cisco Employee

9971 and LKEM not working

I'd try and check the phone console logs from connecting to the phone's IP address with a browser when the sidecar is connected to the phone to see if there are any errors why it won't power up.

New Member

Re: 9971 and LKEM not working

Sorry my late answer.

It looks like the phone's connector doesn't work. I just see on the log files, that an extension module is configured but not attached. No power failure.

Anyway I replace that phone.