Recently we had a customer with this cisco conference phone (7937) which doesn’t support SIP protocol. To get it to work with Asterisk we need to either use chan_skinny or chan_sccp. As the latter is a lot more solid is brief you how it work here:
Here is a php file that will read the list of IP phones from a CSV file including MAC address, host IP address, Extension and Secret. Then it will generate a binary for each cfgMAC.temp file.
Download the file here
Different IP Phones require different methods of provisioning. Below I describe how to do this on Grandstream phones (tested on GXP285) with firmware: 1.2.5.3
Here are the steps on how to push the Cisco phone 7942G to reboot.
How to configure CISCO SPA 502G phone
Step 1- Get the IP address of the phone
Step 2- Access to the GUI, by browse the IP address of the phone (e.g: 192.168.1.150)
Step 3- Click on Admin login at top right of GUI
Step 4- Click Ext1, and fill in few needed info
