Question about Cisco 7912G IP Phone

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Cisco 7912 sip phone

I have a phone which was working and i changed the ip address to match the our standards theen it just stopped ringing when you call it.I rebooted more than i can remember edited the gk notepad and ran the multigk file
please help

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Can you please make sure that you can ping the device - you might have a routing problem

Posted on Jun 09, 2008

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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

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Hi,i wanna use cisco ip phone 7940 as sip ip phone.when i power up the phone ,it can get ip from network,but finally,it shows "TFTP timeout"in display led.All the buttons can not be used.What...


Hi,

the DHCP server should be providing the address of the TFTP Server as DHCP Option 150. The most likely problems are:

Option 150 not defined, or not the correct IP address of the TFTP Server.
Or possibly your TFTP Server is not functioning properly.

If you have not Option 150 defined, the phone will use the default gateway as the TFTP server address.

Cheers, Simmo99.

Dec 29, 2010 | Cisco 7940 IP Phone

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How do I cahnge the ip address on the linksys spa941 when it failed to registered: it is not picking up ip address from the switch.it was working before change the switch


Confirmed modelLinksys IP Phone SPA941 and SPA962 with SPA932
Linksys IP PhoneThis document explains how to use Brekeke SIP Server with the Linksys IP Phone SPA hard phone .
The Standard features include two active line appearances, call forwarding, redialing, speed dialing, transferring calls, conference calling and accessing voice mail. For more information regarding this product please go to www.linksys.com
Configure Linksys PhoneSet up your Linksys phone with a fixed IP address (e.g. 192.168.0.15) and subnet mask (e.g. 255.255.255.0).

Once the IP address is configured you can access phone webpage by its IP from web browser (e.g. http://192.168.0.15). Network SetupClick on "Admin Login", then select “System" tab. Sign Static IP, Gateway and NetMask.

Use the following data as an example
  • Static IP: Linksys phone IP (e.g. 192.168.0.17)
  • Netmask: 255.255.255.0
  • Gateway: not needed if SIP Server is in the same LAN as Linksys phone
  • Click on [Submit all changes] button now to reboot you phone,
    or after whole setup is finished
Phone ConfigurationSelect tab Ext1 or Ext2 and enter SIP server information and sign extension number

Use the following as an example to complete the phone configuration.
  • Proxy and Registration:
    • Proxy: Brekeke SIP Server’s IP address (e.g. 192.168.0.69)
    • Register: Yes
  • Subscriber Information:
    • Display Name: extension number or Name (e.g. 400 or Alice)
    • User ID: extension number (e.g. 400)
    • If user authentication is set on at Brekeke SIP Server,
      type in the same information at Auth ID and Password as what you set at SIP Server side
      and Use Auth ID: Yes
  • click [Submit All Changes] button to restart the phone

phoneconfig.gif Brekeke SIP Server’s Registration PageClick the [Registered Clients] tab at Brekeke SIP Server admintool.
The Linksys IP Phone SPA941 Phone is registered with Brekeke SIP Server.

sipreg%282%29.gif

Jun 09, 2010 | Linksys SPA941 IP Phone

1 Answer

Want to migrate fom sccp to sip protocol for cisco IP Phone 7912


Here's a great little document from Cisco directly, called "Converting a Cisco 7940/7960 CallManager Phone to a SIP Phone and the Reverse Process"
Easy to do, just follow the step-by-step directions.
http://www.cisco.com/en/US/products/hw/phones/ps379/products_tech_note09186a0080094584.shtml

Jan 21, 2010 | Cisco 7912G IP Phone

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Cisco IP Phone 7940 and 3com nbx as 3rd party SIP phones


Here are the instructions for configuring these units for 3cx

http://www.3cx.com/sip-phones/cisco-7940.html

http://www.3cx.com/sip-phones/polycom-soundpoint.html

Since the 3cx softphone worked well, I don't see why you couldn't configure each as for 3cx and make them work as well.

Dec 09, 2009 | 3Com NBX 2102PE IP Phone

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CISCO 7912 Ip Phone,Red lights are continuously on.


Well, in most Cisco VoIP phones those lights are used to tell you if you have a voicemail. Have you checked your vm and cleared any new ones? This might be your issue ;)

Oct 14, 2008 | Cisco 7912G IP Phone

1 Answer

"Edit" softkey is not working, Can't enter NTP or TFTP on Cisco 7912 phone


I would try logging into your CCME and deleting that phone from the user list. That way, it will have to contact your server and redownload all the necessary files. If that doesn't work, I would try using the factory reset code which would completely reset it. Both of these require that your server is up and running properly.

Sep 09, 2008 | Cisco 7912G IP Phone

1 Answer

Cisco 7960G IP Phone Problem


Try to manually reset the phone - **#"Settings" (this will unlock the configuration) + Network + menu under number "33" - erase the configuration. Then the phone configuration will be erased. Also you can manually set IP address and TFTP server

Sep 11, 2007 | Cisco 7940G IP Phone

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