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Cisco ip phone 7942 keeps showing upgrade afterwards it reboots again and agian. Any help 'll be highly appreciated

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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ward_knutson
  • 64 Answers

SOURCE: Converting Cisco 7940 IP Phone to SIP

Unlocking a Cisco 7940

Method 1:
1) Unplug the phone
2) Plug the phone back in while holding the # key
The phone will soon display “Reset key sequence detected”
3) After several lights flash press the following keys in order:
1 2 3 4 5 6 7 8 9 * 0 #
4) The phone will then ask you if you want to save the network configurations:
Save network cfg? 1=yes 2=no
5) The phone will soon display “Factory reset initiated” and will continue
through the boot up process.
If that process fails to work for some reason there
is a second method.

Method 2

Complete these steps:

  1. Press Settings.
  2. The Network Configuration lock symbol must be unlocked. If not, exit to the main window and press ** # again.
  3. Press 3 on the keypad (or scroll down) for Network Configuration.
  4. Press 33 on the keypad (or scroll down) to Erase Configuration.
  5. Press the Yes softkey.
  6. Press the Save softkey.
The phone will now be reset.

Also see this link
http://www.cisco.com/univercd/cc/td/...tain.htm#93250

Posted on Nov 25, 2008

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  • 44 Answers

SOURCE: Where can I access user manuals for Cisco phones

I have found this on the cisco site.
http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/phones/ps379/ps8535/product_data_sheet0900aecd8069bb68.html

Posted on Jan 25, 2010

  • 2 Answers

SOURCE: my cisco ip phone 7905

Hi,

the reason for this would be that it is not getting it's config from the CallManager (or CME router).

The steps in a phone booting up something like this:
1) DHCP for IP Address, and Option 150 for TFTP Server
2) TFTP to address provided by DHCP Option 150
3) Get config file, a(an upgrade of firmware may occur at this point)
4) Connect to Call Manager/CME as specified in config file

First check DHCP server to see if it is allocating an address to the MAC address of the phone
Second confirm if DHCP is providing Option 150 and that is the IP Address of the TFTP Server (typically one of your Call Managers)
Third check that the phone is correctly configured on CCM/CME. A common error at this stage is that the phone is configured with the wrong model type.

Call back if you get to that stage and are still having problems.

Cheers, Simmo99.

Posted on Jan 06, 2011

  • 15 Answers

SOURCE: my cisco ip phone 7960

You can try a couple of things: Unplug the power cable from the phone, hold dows the # key, and then plug the power cable in again. The phone begins its power up cycle. Release the # key after the Speaker button is no longer lit. You should see the following message on the phone: "Reset key sequence detected" Press 123456789*0# within 60 seconds after the Headset, Mute, and Speaker buttons begin to flash. If you enter this key sequence correctly, the phone displays this prompt: Keep network cfg? 1 = yes 2 = no In order to maintain the current network configuration settings for the phone when the phone resets, press 1. In order to reset the network configuration settings when the phone resets, press 2.
Or to perform a full reset: Press **#** to reset the Cisco IP Phone 7960

Posted on Mar 15, 2011

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1 Answer

Cisco 7942 factory reset


When performing the factory reset procedure we are about to describe, it is important to keep in mind that the IP phone will lose all configuration files and phone applications. This means that it is necessary to have CallManager or CallManager Express setup so that the IP phone will be able to receive the new information (phone application and configuration) after the reset procedure is complete, otherwise it is most likely that the IP phone will not be usable until this information is loaded on to it.
This preparation also happens to be the procedure for upgrading a Cisco IP phone firmware.



Follow the steps below to successfully factory reset your Cisco 7942, 7962 IP phone:
  1. Unplug the power cable from the phone and then plug it back in. The phone begins its power up cycle.
  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.
  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.

Oct 10, 2014 | Cisco 7942G IP Phone

1 Answer

How to recovery from boot loop?


Are you familiar with wireshark or other packet sniffers? You might consider running wireshark on the network to see exactly what the phone is doing when it boots. It might be configured to connect to a TFTP server or something on boot, to look for a firmware or config file update.

Cisco Telephone Power Supply

Nov 14, 2012 | Cisco SPA502G IP Phone

1 Answer

I cannot register phone in remote location


Duplicate question. See other post for clarification.

Oct 14, 2012 | Cisco 7942G IP Phone

1 Answer

How to upgrade to SIP Firmware on Cisco 7945G


This process should work for you http://www.cisco.com/en/US/products/hw/phones/ps379/products_tech_note09186a0080094584.shtml

Cisco Telephone Power Brick

Sep 08, 2012 | Cisco 7945G IP Phone

1 Answer

My Cisco IP Phone 7945G keeps rebooting after I did a factory reset. Is there a way to fix this?


According to Cisco, when initiating a factory reset procedure certain information from the IP phone is erased while other information is reset to the factory default value, as shown in the list below:


Information Erased:
  • CTL File (Certificate Trust List)
  • LSC File (Locally Significant Certificate)
  • IP Phone Call History (Calls Received, Placed, Missed etc)
  • Phone application
Information Reset to Default:
  • User configuration settings (ring tone, screen brightness, sound levels etc)
  • Network configuration settings

t is highly advisable to follow the firmware upgrade procedure in a non-working environment to ensure other phones are not affected (in case of an accidental reboot), and to avoid the freshly factory reset ip phones obtaining the working environment's settings.


Please use the link below and follow the instruction http://www.firewall.cx/downloads/cisco-tools-a-applications/cisco-ip-phone-a-ata-firmware-downloads.html


Aug 28, 2012 | Cisco 7945G IP Phone

2 Answers

Blank Screen


I would verify what the firrmware is of the phone. It is possible that the phones need to be upgraded.

Mar 27, 2008 | Avaya 5610 IP Phone

1 Answer

My Phone is on Busy Mode


Are you in a Call Manager envirnoment ?

Jun 11, 2007 | Cisco 7912G IP Phone

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