Cp-7-9-12-v17-0.fwf -

The file extension used for the firmware package itself.

The filename follows a standard Cisco naming convention for device firmware. Stands for Cisco Phone. cp-7-9-12-v17-0.fwf

Check the ; it should match the version specified in the filename. How to check what firmware version a Cisco IP phone has The file extension used for the firmware package itself

Installing firmware on a Cisco IP phone is typically handled through a TFTP (Trivial File Transfer Protocol) server. cp-7-9-12-v17-0.fwf

After the phone reboots, you can verify the version directly on the device: Press the (gear) button on the phone keypad. Navigate to Status or Phone Information .

Identifies the hardware model (the Cisco 7912 series). v17-0: Denotes the version number of the firmware.

The .fwf file is uploaded to the CUCM OS Administration portal.