Most models are now multimedia capable for destroying CD and DVD's or other optical media data disks.
In this section you can find answers to most of the questions other members have had about Vo IPVo IP service. If you get one-way audio, or cannot get a dial tone or cannot make/receive calls with your Vo IP device, you are probably behind firewall.
Reboot your device and check if you have dial tone.
2.) In order to resolve any DNS problem on the Vo IP device, change the SIP server name sip3.to 66.2 Reboot your device and check if you have dial tone.
Please make changes one at a time and reboot your device each time to see if the problem is solved.
1.) Change the SIP registration port on Vo IP device to 5060 or 5065.
Hi Does somebody know how to perform a Factory Reset on a Cisco 7841 using the Keypad?