Cisco 7962G - Unified IP Phone VoIP Risoluzione dei problemi e manutenzione - Pagina 22

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Additional Troubleshooting Information

• Phone application: Erased. The phone recovers by loading the appropriate default load file

Before you perform a factory reset, ensure that the following conditions are met:

• The phone must be on a DHCP-enabled network.

• A valid TFTP server must be set in DHCP option 150 or option 66 on the DHCP server.

• The default load file for your phone model and the files specified in that file should be available on the

To perform a factory reset of a phone, perform the following steps:

Procedure

Step 1

Unplug the power cable from the phone and then plug the cable back in.

The phone begins its power-up cycle.

Step 2

While the phone is powering up, and before the Speaker button flashes on and off, press and hold #.

Continue to hold # until each line button flashes on and off in sequence in amber.

Step 3

Release # and press 123456789*0#.

You can press a key twice in a row, but if you press the keys out of sequence, the factory reset will not take

place.

After you press these keys, the line buttons on the phone flash red, and the phone goes through the factory

reset process.

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

Additional Troubleshooting Information

If you have additional questions about troubleshooting the Cisco Unified IP Phones, these Cisco.com websites

provide you with more tips.

• Cisco Unified IP Phone Troubleshooting Resources:

• Cisco Products and Services (Technical Support and Documentation):

This section includes the following topics

Troubleshooting and Maintenance

(term62.default.loads, term61.default.loads, term42.default.loads, or term41.defaults.loads) depending

on the phone model.

TFTP server that is specified by the DHCP packet.

http://www.cisco.com/en/US/products/hw/phones/ps379/tsd_products_support_series_home.html

http://www.cisco.com/en/US/products/sw/voicesw/tsd_products_support_category_home.html

Troubleshooting and Maintenance