Reset a Cisco CP 7940G Phone to Factory Default

This will describe how to Reset the Cisco CP-7940G IP Phone to the Factory Default. This procedure assumes that you do not know the unlock password as there is another procedure for resetting a phone if you do know the unlock password.

Steps

  1. Unplug the power cable from the phone, hold down the # key, and then plug the power cable in again. The phone begins its power up cycle.
  2. Release the # key after the Speaker button is no longer lit. You should see the following message on the phone: "Reset key sequence detected"
  3. Press 123456789*0# (or in some cases this sequence is 3491672850*# ) within 60 seconds after the Headset, Mute, and Speaker buttons begin to flash.
    • If you do not complete this key sequence or do not press any keys, the Headset, Mute, and Speaker buttons will stop flashing after 60 seconds and the phone will continue with its normal start-up process. The phone will not reset.
    • If you enter an invalid key sequence, the buttons will stop flashing immediately and the phone will continue with its normal start-up process. The phone will not reset.
  4. If you enter this key sequence correctly, the phone displays this prompt:
    • Keep network config? 1 = yes 2 = no
      • To maintain existing network configuration settings for the phone when the phone resets, press 1.
      • To reset network configuration settings when the phone resets, press 2.
      • If you press another key or do not respond to this prompt within 60 seconds, the will continue with its normal start-up process and will not reset.

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