[cisco-voip] 7970s will not register

[Ruttman, Pete G.]

We have a couple 7970 phones that will not register with callmanager.  A
previous engineer told me that the there was a bug that caused the phone
to not register if they were not connected to callmanager for an
extended period.  We have had the phones offline now for years and I
just tried to plug them in and they will not register.  I tried to reset
the phone to factory based on the directions below:

Unplug the power cable from the phone and then plug it back in. The
phone begins its power up cycle. 
While the phone powers up, and before the Speaker button flashes on and
off, press #. Each line button flashes on and off in sequence. 
Press 123456789*0#. You can press a key twice in a row, but if you press
the keys out of sequence, the factory reset does not take place. Now the
lights should change color from amber to red.
Press 1 in order to maintain the current network configuration settings
for the phone when the phone resets.

Does anyone have any other suggestions to fix these?

Pete



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