6945 phones get no reminder

We have CM 9.1.1A and 6945 phones. from time to time, the customer is complaining that when they pick up the phone, they hear the tone, then silence until someone picks up call - no call back.  This happens on all calls, extension to extension, etc.

Sometimes, a phone will do it continually until we rest power on the phone, then it's ok.  Sometimes the phone just starts work very well on its own.

any ideas on what could be the cause?  already updated the last firmare ES2 phone, still no go.

Phil

I have the same problem, our phones are on SS2 and still have this problem. It is intermittent but very annoying.

Tags: Cisco Support

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