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Syed
Participant

How to hard reset cisco 9971 phone

Dear All,

IP phone 9971 unregistered all of a sudden, it has ip address, correct tftp, default router ip address, please help me how to hard reset this phone.

Thank you in advance

1 ACCEPTED SOLUTION

Accepted Solutions
Rob Huffman
Hall of Fame Community Legend

Hi there,

Just in case you ever need this again;

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCua96332

Document alternative factory reset procedure for 8961/9951/9971 phones
CSCua96332
Workaround:
These phones can be factory reset using the following procedure.

Step 1) While powering up the phone, press and hold #.

Step 2) While the mute button is red and the top left and right buttons are amber, type in the key sequence 123456789*0#


Do not power down the phone until it completes the factory reset process, and the main screen appears.

View solution in original post

5 REPLIES 5
Syed
Participant

But this phone is receiving CUCM IP

sorry for typo.

I mean phone is not receiving cucm IP

I have remove the phone and readded.

This is working now...

Rob Huffman
Hall of Fame Community Legend

Hi there,

Just in case you ever need this again;

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCua96332

Document alternative factory reset procedure for 8961/9951/9971 phones
CSCua96332
Workaround:
These phones can be factory reset using the following procedure.

Step 1) While powering up the phone, press and hold #.

Step 2) While the mute button is red and the top left and right buttons are amber, type in the key sequence 123456789*0#


Do not power down the phone until it completes the factory reset process, and the main screen appears.

View solution in original post

Thank you so very much for your help...

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