[cisco-voip] Moving phones from CM 4.1.3 to a CME / 12.4(20)T

[Jeff Garvas]

I'm experimenting with CME in a 12.4(20)T install (2811, 3560) and trying to
move phones from a CUCM 4.1.3 environment to CME.

If I take a 7911 phone that is working in the CUCM environment and move it
to the labbed up CME install it boots, states that its configuring IP,
configuring the CM list, and then goes back to configuring IP.   It remains
looping indefinately, but if I do a factory reset the phone will upgrade and
register to CME.

CME is configured to 'load 7911 SCCP11.8-3-3S' and there is a matching
ephone configured as well, but it appears as if nothing is every queried via
tftp.

If I query the settings in the phone itself while its looping it still knows
about the CUCM settings despite its new found DHCP / TFTP values.

Is there a way to get the phone to upgrade/downgrade its image without doing
a physical factory reset?  I'd like to be able to modify phones "in place"
without needing to physically touch them.

If I take the 'upgraded' phone back to the CUCM cluster it immediately
upgrades without being factory reset.  Am I missing something in the CME
configuration that could permit this?
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