How to Reset a Cisco CP 7940G Phone to Factory Default

Unplug the power cable from the phone, hold down the # key, and then plug the power cable in again., Release the # key after the Speaker button is no longer lit., Press 123456789*0# (or in some cases this sequence is 3491672850*# ) within 60 seconds...

8 Steps 1 min read Medium

Step-by-Step Guide

  1. Step 1: Unplug the power cable from the phone

    The phone begins its power up cycle.
  2. Step 2: hold down the # key

    You should see the following message on the phone: "Reset key sequence detected"

    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. , 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.
  3. Step 3: and then plug the power cable in again.

  4. Step 4: Release the # key after the Speaker button is no longer lit.

  5. Step 5: Press 123456789*0# (or in some cases this sequence is 3491672850*# ) within 60 seconds after the Headset

  6. Step 6: and Speaker buttons begin to flash.

  7. Step 7: If you enter this key sequence correctly

  8. Step 8: the phone displays this prompt: Keep network config?

Detailed Guide

The phone begins its power up cycle.

You should see the following message on the phone: "Reset key sequence detected"

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. , 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.

About the Author

K

Kimberly Gonzalez

Creates helpful guides on home improvement to inspire and educate readers.

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