Perform 7821 IP Phone Factory Reset Through Phone Keypad
Use these steps to reset the phone to factory default settings using the phone keypad –
Step by step procedure –
Step 1 – Unplug the phone:
If using PoE, unplug the LAN cable. If using the power cube, unplug the power cube.
Step 2 – Wait 5 seconds.
Step 3 – Press and hold # and plug the phone back in.
Step 4 – When the light on the Mue button and handset light strip turns off and all other lights (Line button, Headset button, Speakerphone button, and Select button) stay green, press 123456789*0# in sequence.
When you press 1, the lights on the line buttons turn red. The light on the Select button flashes when a button is pressed.
After you press these buttons, the phone goes through the factory reset process.
If you press the buttons out of sequence, the phone powers on normally.
Warning –
Do not power down the phone until it completes the factory reset process, and the main screen appears.
Perform 7821 IP Phone Factory Reset from Phone Menu –
To perform a factory reset of a phone,
Step by step procedure –
Step 1 Press Applications.
Step 2 Choose Admin Settings > Reset Settings > All.
If required, unlock the phone options.
Watch this video for more information on cisco 7821 factory reset –
ABOUT THE AUTHOR
I am here to share my knowledge and experience in the field of networking with the goal being – “The more you share, the more you learn.”
I am a biotechnologist by qualification and a Network Enthusiast by interest. I developed interest in networking being in the company of a passionate Network Professional, my husband.
I am a strong believer of the fact that “learning is a constant process of discovering yourself.”
– Rashmi Bhardwaj (Author/Editor)
