If needed, please follow the steps below to successfully factory reset your Cisco IP 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#.
If after resetting your phone to the router, it gets stuck on “Configuring IP” you would need to change the TFTP settings. Here are the steps:
- Press the Settings button on the telephone.
- Press 3 on the keypad to select Network Configuration.
- Press 32 on the keypad to select Alternate TFTP.
- If option 32, Alternate TFTP, is set to No, go to step 5. If it is set to Yes, go to step 6.
- Press * * # and then set to Yes. Do not press the Save soft key.
- Press 8 on the keypad to select TFTP Server 1. If you are configuring a backup TFTP 2 server, press 41 on the keypad to select TFTP Server 2.
- Press the Edit soft key. If you do not see the Edit soft key, press * * #
- Type the TFTP address to equal the value of your desired instance (cluster). Make sure to press * on the keypad OR press the period "." soft key to enter the periods that separate the numeric TFTP values.
- Press the Validate soft key.
- Press the Save soft key.
Your phone will now reboot with the TFTP address you have entered.
YouTube Video: https://www.youtube.com/watch?v=m1XBpEoWYtc
TFTP Server 1: 208.103.83.11
TFTP Server 2: 199.101.105.164
Please note that the Subscriber ID is your ten-digit Net@Work phone number – (***) ***-****
The default password is 39137.