Cisco 7961 IP Phone Factory Reset Instructions

  1. Unplug the power cable from the phone, and then plug in the cable again.
  2. The phone begins its power up cycle.
  3. Immediately press and hold # and while the Headset, Mute, and Speaker buttons begin to flash in sequence, release #.
  4. The line buttons flash in sequence in order to indicate that the phone waits for you to enter the key sequence for the reset.
  5. Press 123456789*0# within 60 seconds after the Headset, Mute, and Speaker buttons begin to flash.
  6. If you enter this key sequence correctly, the phone displays this prompt: upgrading