Question about Cisco 7940 IP Phone

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My CIsco 7940 is unable to obtain IP from DHCP and does not let me go into network settings? What do I do?

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1 Answer

Anonymous

You should contact your network administrator.

Posted on Feb 28, 2011

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1 Answer

My Cisco IP 7960 Phone is stuck at "configuring IP"! What is happening? I need to get it fix asap :(


it would appear your phone is not getting an address from your DHCP server, i would start by plugging in a laptop to see if that gets an ip address

Hope this helps

May 21, 2011 | Cisco 7940 IP Phone

2 Answers

Can't communicate with Linksys WAP610n from laptop via straight or crossover cable. Fixed IP network won't find WAP610n either.


If on Xp go onto start then run in run enter cmd this will open a command prompt in dos
then type in ipconfig and check settings if the ip and dns settings seem incorrect then type ipconfig/release then ipconfig/renew this will reset the system hope this rectifies your problem

Mar 01, 2011 | Linksys by Cisco WAP610N Wireless-N Access...

1 Answer

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

1 Answer

How can I clear / reset a Cisco IP Phone 7910


How to set a Cisco IP phone to factory default Reset configuration of Cisco IP Phone (7910, 1911, 7940, 7941, 7960, 7961)

To set the Cisco IP phone to factory default completes the following steps: should be completed:

For 7940, 7941, 7960, 7961 phones:

1. Power up the phone (unplug power cable and plug in again and hold the # key.
2. Release # when lights start flashing.
3. Press 123456789*0#.
4. Press 1 to keep network configuration or 2 to lose the network configuration.

For 7906G and 7911G phones:
1. Power up the phone (unplug power cable and plug in again and hold the # key.
2. Release # when MWI starts flashing.
3. Press 3491672850*#.

Oct 28, 2010 | Cisco 7910 IP Phone

1 Answer

7940G IP Phone: how to solve the protocol application invalid prob...


Hi

This happens when you IP phone communicated with the Voice vlan with the IP address of data vlan.

To solve it manually enter the IP address of the TFTP server and option 150 on the DHCP server.
remove the voice vlan from the switch port and reboot the phone
again add the voice vlan and reload the phones

May 17, 2010 | Cisco 7940G 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

2 Answers

My Cisco ip Phone 7940 will not ring.


Give me your number, and i'll call you! Solved! =-D

Jan 27, 2009 | Cisco 7940 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
http://www.cisco.com/univercd/cc/td/...tain.htm#93250

May 18, 2008 | Cisco 7910 IP Phone

1 Answer

My client has Cisco 7940 IP phones and wants assistance with feature programming


This phone can be access through a menu/ setting buttons.

Useful link on how to navigate through the phone:
http://www.cisco.com/warp/public/779/largeent/avvid/products/7940/7940_topic3.htm
I think the main problem is to determine the intergrated router or Call manager configuration
You can also connect on switch and type:show cpd neighbor This will show the physical port connections

Nov 27, 2007 | Cisco 7940 IP Phone

3 Answers

Phone stuck in Configuring IP


Did you check the TFTP settings on the IP phone? You may need to disable DHCP on the phone and assign the TFTP manualy or make sure the correct TFTP server is assigned.

Jan 12, 2007 | Cisco 7940 IP Phone

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