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CallTower Solutions Center

Cisco - Phone: 7945, 7965, 7975 Factory Reset Procedure

This article goes over how to do a factory reset on the Cisco 7946, 7965, and 7975 IP phones. Make sure that the phone is behind an ASA or a managed circuit before performing a factory reset as doing so can cause additional issues.

Goal

This article provides step by step instructions to help users to perform a factory reset on Cisco 7945, 7965, and 7975 phone models.

Case Disposition:

Case Record Type: Support Standard

Type: Problem

Product: Cisco

SubProduct: Hardware

Issue: 79xx

Sub Issue: Config/settings

Other Issue: Factory Reset

Priority: Priority 4

Severity: Low

Department: Support

Resolution/Steps

Follow the steps below to successfully Factory reset your Cisco IP phone:

  1. Unplug the power cable from the IP phone and then plug it back in.
  2. While the phone is powering up, and before the Speaker button flashes on and off, press and hold the hash # key.
  3. Continue to hold # until each line button (right of the LCD screen) flashes on and off in sequence in orange color.
  4. Now release the hash # key and type the following sequence 123456789*0#

After the sequence has been entered the line buttons on the phone flash orange, then green and the phone goes through the factory reset process. This process can take several minutes and the firmware of the IP Phone will be erased.

Additional Information

Remember to not perform this factory reset procedure on any phone that is not plugged in behind a CallTower ASA or CallTower managed circuit.