Question about Cisco 7940G IP Phone

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Cisco 7960G IP Phone Problem

I've got a Cisco 7960G IP Phone setup to use Asterisk 1.4. I'm trying to change the firmware to SIP 3-8-6-00. I've setup my DHCP server and it's giving out the IP address to the phone. However, the phone doesn't boot completely and all I see is defaulting CM to TFTP Server. Also, I noticed that in the settings on the phone, my TFTP server address is in the CM Address field. Any help?

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Re: 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

Posted on Jun 10, 2008

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1 Answer

How to upgrade to SIP Firmware on Cisco 7945G

This process should work for you

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Sep 08, 2012 | Cisco 7945G IP Phone

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I have polycom SoindPoint 301 and i would like to use as SIP to one of the VoIP providers. I dont have asterisk in my network and i would like to connect it directly to the VoIP provider. So there is no...

1st. Get the IP address of the phone. and type that into browser.
*- default user: Polycom / password: 456

*- Under menu SIP, type in your voip provider
*-Under menu LINES type in user info and "secret" should be your password.

Make sure your ports are open (SIP is usually 5060) you can change it in that same config screen.

Mar 28, 2011 | Polycom SOUNDPOINT IP 301 SIP

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.

Jan 21, 2010 | Cisco 7912G IP Phone

2 Answers

Can I use a CISCO IP 7941 phone, that has been on a company network, in my home? Should it just work by plugging in a telephone connection and using the appropriate power supply? Is there programming that...

Yes, there is programming which would need to be removed. However, you would need a cisco call manager($800) at home. Unless of course you have voip in your home. then you could just set it to DHCP I'm assuming and then it should just work!

Jan 14, 2010 | Cisco 7940 IP Phone

1 Answer

I am trying to unlock my phone to program it under sip

Complete these steps:
1.On the Cisco IP Phone, press the Settings button.
2.Press **#
3.When the window displays Settings Unlocked, click the More softkey.
4.You now see the Erase softkey, which can be used in order to erase the configuration on the Cisco IP Phone.
I hope that this has been very helpful for you

If this solution will not helpfull for you that time pls send me a IP Phone details.

Jan 01, 2010 | Cisco 7940 IP Phone

2 Answers

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

Here are the instructions for configuring these units for 3cx

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

1 Answer

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

May 18, 2008 | Cisco 7910 IP Phone

1 Answer

Cisco 7912g sip firmware

firmware can not be e-mailed to you unfortunately. The only way to oficially obtain the software - purchase it

Jan 02, 2008 | Cisco 7912G IP Phone

1 Answer

IP 7920 & Asterisk

I believe I saw somewhere that the 7920 works best with the 4.02 version of firmware... only hitch is you can't get it unless you have a valid Cisco login with access to their voice stuff. You could see if your local partner could get it for you otherwise. Also, I think you need the cradle to upgrade the phone manually - otherwise you need a TFTP server set up and the proper keywords in the cnf.xml file. There is better info on about these sccp phones - god I wish they (Cisco) would release a SIP firmware for these things!

Nov 23, 2007 | Cisco 7920 IP Wireless Phone

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