The biggest advantage is the low cost. The monthly rate is lower than PSTN (Public Switched Telephone Network) and the price also includes services such as the display and call forwarding that traditional telephone companies for cost increases. Master plans as low as $ 5.99 per month. If you have a fast Internet connection (DSL or cable), you can make PC to PC in the world for free.

2. Call feature

VoIP users can enjoy many other features of free calls, this attractive for VoIP. Call forwarding, call waiting, voice mail, caller ID and three avenues of appeal are some of the many Internet telephony services without additional cost. You can also send data such as photos and documents while talking on the phone.

3. Unlimited long distance call

You can also register with a service provider that charges a monthly fee in return for unlimited calls within a given geographical area. For example, some services in the United States allows you to call anywhere in North America, at no extra cost. Calls are charged to the outside, with a relatively low cost.

4. Portability

You can make and receive phone calls, if you have a broadband connection, simply go to your account. Thus, it is as convenient as e-mail – if you travel, you have to prepare a headset or the phone and the Internet, you can talk to your family or business associates for almost nothing.

5. Easy to install

The basic equipment needed for VoIP is a broadband modem (either cable or DSL), a router and an IP phone. Simply connect the modem to the router and connect the IP phone into the router. There is no need for service calls for equipment.

You may interested to read the Voip disadvantages