How to Reset Cisco IP Phone 7900 Series to Factory Default

Reset Cisco IP Phone 7900 Series to Factory Default

You can perform a reset to factory default of the Cisco 7940, 7941, 7960, 7961 and 7970 IP phones and this is useful for many types of recovery, especially when the phone is so disabled that it cannot enter Network Configuration to reset to factory default.

 

Complete below steps to reset Cisco IP Phone 7900 series to factory default.

1. Unplug the power cable from the IP phone, and then plug in the cable again. The IP  phone begins its power up cycle.

2. Immediately press and hold # key and while the Headset, Mute, and Speaker buttons begin to flash in sequence, next release # key.

3. Press 123456789*0# within 60 seconds after the Headset, Mute, and Speaker buttons begin to flash.

4. Press 1 to keep network configuration or 2 to lose the network configuration.

If you repeat a key within the sequence, for example, if you press 1223456789*0#, the sequence is still accepted and the phone resets.

If you do not complete this key sequence or do not press any keys, after 60 seconds the Headset, Mute, and Speaker buttons no longer flash, and the phone continues with its normal startup process. The phone does not reset.

If you enter an invalid key sequence, the buttons no longer flash, and the phone continues with its normal startup process. The phone does not reset.

 

Reset Cisco IP Phone 7900G Series to Factory Default

Follow the above 1st and 2nd steps to perform a reset to factory default of Cisco 7906G and 7911G IP Phones. Next find below third step to reset factory default.

3. Press 3491672850*# within 60 seconds after the Headset, Mute, and Speaker buttons begin to flash.

 

Video – How to Reset Cisco IP Phone 7960 to Factory Default 

 

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  1. Peri says:

    I performed a factory reset of the Cisco 7940/7960 by holding down “#” as it powers up (or resets), at which point you then dial 123456789*0#.This is useful for many types of recovery. Thanks for Sharing

  2. Mady says:

    Thanks a lot!, Its very useful to reset Cisco IP Phone 7900 series to factory default condition.

  3. Sami says:

    I am not able to reset a Cisco 7940 (Sip) to factory default.
    I am following the steps listed below and every variation of it. I never get the message “Reset key sequence detected”. Any ideas?? Thanks.

    • Peri says:

      Hi Sami,

      Fallow below steps to reset Cisco IP Phone 7900 series to Factory default.

      Simply hold down the # key while you power-cycle the phone. (If you already have the SIP firmware loaded, simply press * and 6 and Settings at the same time, and the phone will reboot. Then press and hold the # key while it boots.)
      After a second or two, the phone display will say:
      Reset key sequence detected
      The headset, mute, and speakerphone lights will cycle. Now, simply press the following keys:
      1 2 3 4 5 6 7 8 9 * 0 #
      Now, the phone will ask you whether or not you want to save your network configuration. I usually press 2 for no.
      Save network cfg? 1=yes 2=no
      The display will then say:
      Factory reset initiated
      and the phone will continue to boot.

      Thanks,
      Peri

  4. Sam says:

    This INformation really very useful.

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