Reset a Cisco IP Phone model 7960 or 7940
To reset a Cisco IP Phone model 7960 or 7940, follow these steps:
Procedure
Step 1
From the main screen, press Settings to display the Settings screen.
Step 2
Enter **#** by using the keypad.
The IP phone goes through the reset cycle.

Note
This reset sequence also works from any other screen that does not accept user input.