8 Troubleshooting the Cisco IP Phone

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Resetting or Restoring the Cisco IP PhoneChapter 8 Troubleshooting the Cisco IP PhoneTable 8-4Basic Reset Methods (continued)Operation Performing ExplanationDefault softkeyErase softkeyChoose Settings > moreand press the Defaultsoftkey.Unlock phone options (seethe “Unlocking andLocking ConfigurationOptions” section onpage 1-21. Then chooseSettings > more and pressthe Erase softkey.Resets ring type, display contrast, handset volume,headset volume, speaker volume, and ringervolume to their default values.Resets user and network configuration settings totheir default values, deletes the CTL file from thephone, and restarts the phone.Performing a Factory ResetWhen you perform a factory reset of the Cisco IP Phone, the followinginformation is erased or reset to its default value:• CTL file—Erased• LSC—Erased• User configuration settings—Reset to default values• Network configuration settings—Reset to default values (optional)• Locale information—Reset to default value• Call histories—Erased8-20Cisco IP Phone Administration Guide for Cisco CallManager 4.1OL-4825-02
Chapter 8 Troubleshooting the Cisco IP PhoneResetting or Restoring the Cisco IP PhoneTo perform a factory reset of a phone, follow these steps:ProcedureStep 1Step 2Step 3Step 4Unplug the power cable from the phone and then plug it back in.The phone begins its power up cycle.Immediately press and hold # while the Headset, Mute, and Speaker buttons turnon and off in sequence.Release # after the Speaker button turns off.The Headset, Mute, and Speaker buttons flash in sequence to indicate that thephone is waiting for you to enter the key sequence for the reset.Press 123456789*0# within 60 seconds after the Headset, Mute, and Speakerbuttons begin to flash.If you repeat a key within the sequence (for example, if you press1223456789*0#), the sequence will still be accepted and the phone will reset.If you do not complete this key sequence or do not press any keys, the Headset,Mute, and Speaker buttons will stop flashing after 60 seconds and the phone willcontinue with its normal startup process. The phone will not reset.If you enter an invalid key sequence, the buttons will stop flashing immediatelyand the phone will continue with its normal startup process. The phone will notreset.If you enter this key sequence correctly, the phone displays this prompt:Keep network cfg? 1 = yes 2 = noTo maintain existing network configuration settings for the phone when the phoneresets, press 1. To reset network configuration settings when the phone resets,press 2.If you press another key or do not respond to this prompt within 60 seconds, thewill continue with its normal startup process and will not reset.Otherwise, the phone goes through the factory reset process.Cisco IP Phone Administration Guide for Cisco CallManager 4.1OL-4825-02 8-21
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8 Troubleshooting the Cisco IP Phone

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