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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
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*#.
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
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!
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:
Press Settings.
The Network Configuration lock symbol must be unlocked. If not, exit to the main window and press ** # again.
Press 3 on the keypad (or scroll down) for Network Configuration.
Press 33 on the keypad (or scroll down) to Erase Configuration.
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
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.
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