Reboot and Reset Cisco Phone
Reboot Cisco Phone
Push "Settings" button, then type * * # * * (star star pound star star)
This does a cleaner and faster reboot than unplugging / re-plugging, and you don't have to monkey around behind the phone or try to remember which Ethernet cable goes to the wall and which to the computer.
Reset Cisco phone
- Unplug the power cable from the phone and then plug it back in. The phone begins its power up cycle.
- While the phone is powering up, and before the Speaker button flashes on and off, press and hold #. ...
- Release # and press 123456789*0#.