Cisco 7912 with Asterisk

Here is how to register 7912 with Asterisk using a linux platform:




1) download the firmware (

2) take note of MAC address and rename gkdefault.txt to gkMAC.txt

# cp gkdefault.txt gk001819ba64ae.txt

3) Create the binary for that particular phone:

# cfgfmt.linux gk001819ba64ae.txt gk001819ba64ae

4) Copy these files to your TFTP root folder.

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