With VOIP you can avoid most of the costs that come with a traditional phone line. Connecting a telephone service with VoIP is not a lot different to connecting a traditional phone line except the costs are much less. There are many things to consider when choosing a VoIP provider.

You can move the VoIP router with you and take your service easily with you. Wider adoption of VoIP has been largely down to advances in IP networking technology, and processor speed increases. Not all VoIP providers are created equal.

VoIP offers customers many advantages, but there are also some disadvantages. VoIP is not very reliable. Any phone system made can take advantage of VoIP lines. You do not need an IP based (IP PBX) or even IP compatible phone system. With many VoIP plans you can talk for as long as you want with any person in the world .

Internet telephony is a category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls.
Reliability is the major problem being faced with Voiceover Internet Protocol. For homes and business considering connecting to broadband, VoIP is a way to offset the monthly connection cost.

VoIP providers are competing to add to or replace large PBX systems for the corporations and add web conferencing capabilities plus wireless VoIP (WVoIP) over LAN's as well. In the many cases, users can get VOIP phone calls (even international) for free. You can hook up an inexpensive microphone to your computer and send your voice through a cable modem or connect a phone directly to a telephone adaptor. Companies can use VOIP Telephones internally or externally to anywhere at almost anytime.