I have always upgraded CP phones by placing the relevant files onto my tftp system, holing down # on the phone whilst plugging in the PoE connection and then typing the reset key sequence, after which the phone pops off and finds the files and upgrades
I have a CP-8945 with SCCP 22.214.171.124... I am trying the same thing, I have downloaded the zip file and placed the 10 or so files onto my tftp system..
first problem is that the # plus sequence doesn't seem to do anything, the lights don't go off as describe by Cisco so I waited until the phones booted and di a soft key factory reset
still the phone doesn't upgrade like I usually see with other models
according to Cisco you should be able to upgrade without the need for a call manager as see in the link below
If a Cisco Unified Communications Manager is not available to load the installer program, the following files are available to load the firmware.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...