How To Turn On Cisco Wireless Phone

When using Cisco IP Phones, you may face some problems that can but exist solved by a manufactory reset of the phone. The procedure itself is ridiculously simple.

Reset Cisco IP Phone 7900 series

During the manufactory reset procedure, the following data will be erased:

CTL (Certificate Trust List) file;
LSC (Locally Significant Document) file;
Phone call history (incoming, approachable, missed);
Telephone applications.

The following parameters will be set to factory defaults:

User configuration settings (ringing sound, screen brightness, volume level, etc);
Network configuration settings.

Earlier Resetting a Cisco IP Phone

Please bear in listen that IP Phones lose all configuration files and telephone applications after the factory reset. You should configure your CUCM or CME so that an IP Phone will exist able to become new data (configuration and application files) after the reset is over, or else you won't be able to use the IP phone. This is a necessary step of Cisco IP Phone hardware upgrade, too.

Notation that the instructions in the current article were created for devices in a clean lab environment. All the devices have a default configuration. If you are working in a corporate network, please make certain that you understand the possible event of all commands.

Cisco 7920 Wireless IP Phone

Past default, arrangement parameters in Network Configuration and Phone Settings menu are hidden to prevent users making changes that can compromise the phone functionality. To access those parameters, you need to launch the telephone in administration mode.

Accessing the Administration Fashion

To access the arrangement parameters and hidden phone settings on the Cisco Unified Wireless IP Phone 7920, perform the following steps:

Press the Card key;
Press the star (*) key. Press the pound (#) cardinal twice;
Press the light-green receiver (📞) cardinal to access the admin mode.

Notation: To hide those parameters, reboot the phone or press any of these keys while existence in the kickoff level card, and then press the greenish receiver (📞) key:

Any primal betwixt 0 and 9;
Star (*) key;
Pound (#) key.

Resetting Cisco 7920 Wireless IP Telephone

To reset Cisco 7920 Wireless IP telephone to the factory default, perform the following steps:

Go on to Carte > Phone Settings > Mill Default;
The telephone will display the «Restore to Default?» message;
Press OK. All settings are deleted now.

Continue to Menu > Network Config to alter the wireless network parameters.

Cisco 7940 and 7960 (as well 7911, 7975)

Perform the following steps:

Proceed to master Date/Time window;
Press **# to unlock the network configuration;
The network configuration symbol should exist unlocked now. If it is not, exit the main window and press **# once again;
Press three key (or scroll) to move to «Network Configuration» selection;
Press 33 (or scroll) to motion to «Erase Configuration» option;
Press Yes;
Press Relieve.

Sometimes you may need to perform a manufacturing plant reset of a telephone when the countersign is set. Allow's become through the reset procedure using Cisco IP Phone 7975 as an example:

Cut the power to the telephone (unplug the power cable, or Ethernet cable in case you have PoE);
Push the pound (#) key and turn the power on while holding information technology;
Wait for a while. The phone begins its power upwards cycle;
Some buttons (Headset | Mute | Speaker) will start flashing. Then you can release the "#" key;
After that, you will run into a prompt to enter something on the screen on your telephone;
You have threescore seconds to enter the key sequence: 123456789*0#. Information technology commands the device to reset all parameters;
After you have entered the sequence correctly, the telephone will brandish the following message: "Continue network cfg? 1 = yes 2 = no" Press two to reset the phone network configuration. Press ane to keep the current network settings;
The phone has been reset. Over time, it volition reboot, connect to TFTP server, download the required firmware and register with CUCM once more;
If you entered a wrong code (instead of 123456789*0#), the phone volition be started ordinarily without resetting. If you accidently enter any key in a sequence twice in a row, e.1000. 1234456789*0#, the telephone volition accept this lawmaking and start the reset procedure anyhow;
If you didn't enter anything, after sixty seconds the telephone will be started normally.

Cisco 7941 and 7961

To reset Cisco 7941 and 7961, perform the following steps:

Unplug the ability cablevision and the plug it in once more;
Immediately push the pound (#) key and hold it;
After Headset, Mute and Speaker buttons volition showtime flashing, release the # key;
The phone is waiting for the reset sequence;
To reset the phone, enter the key sequence: 123456789*0#;
If y'all accidently enter whatsoever cardinal in a sequence twice in a row, the telephone volition offset the reset procedure anyway. If you enter a wrong lawmaking, the phone will be started normally without resetting;
If you have entered the sequence correctly, the phone starts the reset procedure and displays the post-obit message: "Upgrading".

Cisco 7942 and 7962

To reset Cisco 7942 and 7962, perform the post-obit steps:

Unplug the power cablevision and the plug it in once more;
Immediately (before the speaker push button starts flashing) push button and agree the pound (#) key;
Hold information technology until line buttons start flashing yellow;
Release # and enter 123456789*0#;
If y'all accidently enter any fundamental in a sequence twice in a row, the phone will showtime the reset procedure anyhow. If you enter a wrong code, the phone will be started unremarkably without resetting;
The line buttons start flashing red, and phone begins the reset process;
Don't turn off the phone until it completes the factory reset and displays the main screen.

Reset Phones with 3CX Phone System Support

If your 3CX Phone System supporting phone doesn't work and y'all would like to start the configuration process from scratch, you can reset your phone to factory default.

Cisco 303, Cisco 502g, Cisco 504g, Cisco 508g, Cisco 509g, Cisco 525g

Proceed to the phone card > select Pick fourteen to reset telephone settings > press OK.

Grandstream GXP 2100, GXP 2110, GXP 2120, GXP 2124, GXP 1405, GXP 1400, GXP 1450

Proceed to the phone menu > Settings > Reset to factory. Press OK to confirm mill reset.

Grandstream GXP 2010, GXP 2000, GXP 2020

Continue to the phone menu > Settings > Reset to factory. Enter the MAC address of the device and press OK.

Yealink SIP-T20, SIP-T22, SIP-T26, SIP-T28, SIP-T32, SIP-T38

Press OK and hold information technology for 10 seconds. Then press OK to confirm manufacturing plant reset.

Or go on to the phone card > Settings > Avant-garde Settings > Enter the telephone password (the default countersign: admin) > Select "Reset to Factory", and press OK. Ostend the manufactory reset.

Polycom IP 301, 501, 550, 601, 650 and 670

Press 4, six, 8 and * keys and hold them. You'll have to enter the admin password to perform the factory reset (the default countersign: 456).

Polycom IP 320, 321, 330, 331, 335, 430, 450, 560 and 7000

Press i, 3, 5 and 7 keys and concord them. You lot'll have to enter the admin password to perform the factory reset (the default password: 456).

Polycom IP 4000, 5000 and 6000

Press six, 8 and * keys and hold them. You'll have to enter the admin password to perform the factory reset (the default password: 456).

Polycom VVX 1500

Press 2, 4 and 6 keys and hold them. You'll accept to enter the admin countersign to perform the factory reset (the default password: 456).

That's it. Now you lot tin can easily reset your problematic telephone.

Proficient luck.