When someone calls you, they dial your regular telephone number. Behind the scenes, your number looks similar to an e-mail address. This number instructs the call to travel over the Internet to the VoIP adapter, your phone rings, and all you have to do is. A VoIP service will not work without household power or without broadband or high-speed Internet connection. Along with low domestic and international phone rates, an impressive array of special phone features are available with VoIP services. The main benefit of VoIP service is very non-technical and simple to understand - it is cheaper than traditional phone services and has more features than you probably currently know about or use. Some of the other advanced features included; Voice Mail and eFeatures - See and hear messages via the Web or through your phone and forward voice messages to your e-mail account. E-mail tells you when you have a message. The digital signal is sent through your modem and across the Internet. Your Internet connection will work as it did before you installed the VoIP adapter, sending emails and other Web data to your personal computer as normal. Cisco IP Phone 7940 / 7960 VoIP settings configuration. Cisco has stated that they will not continue to develop SIP software for the Cisco line of phones, so our recommendation is not to invest in a Cisco phone for use with VoIPVoIP. I have been scouring the internet looking for configuration guidelines for the 79XX series Cisco IP phone. I have a 7940, and am trying to connect it to my voipo service. I have loaded the SIP software and have successfully configured the. Step 4 Choose Session Initiation Protocol (SIP) Software. Step 5 Under the Latest Releases folder, choose 8.12(0). Step 6 To download the firmware for the Cisco Unified IP Phone 7960G and 7940G (SIP select one of the following files and follow the prompts). The question to What is VoIP is simple; VoIP stands for Voice over Internet Protocol and is a technical way of saying "using the Internet for making telephone calls. " VoIP service technology converts regular (or analog) phone calls into data (or digital) and zips. With VoIP service you can call anywhere at anytime for less money. And it's better than your traditional line because it expands the power of your phone. Placing a call with VoIP service is exactly the same as with any other regular phone. Forward voicemail as an e-mail attachment. Call Logs - View a list of calls you placed and received and click on any number to automatically dial, just like on your wireless phone. Call Forwarding - Set your service so callers can find you at other.