VoIP
VoIP (the protocol of voice over Internet) is simply the greatest revolution in communications technology.With cell phones 3g pc o by routing telephone calls over broadband Internet connections o 3G, VoIP oVoIP bypasses traditional phone service and offers practically free long distance calls worldwide. If you are not already using VoIP, you should try. Or it may be that you use it, but you do not realize it. Almost all voice chat services like Skype and GoogleTalk, use some form of VoIP.
Just a few years ago, VoIP was used to make telephone calls via the software to be installed at each end of the connection. Vonage, Skype and other consumer-oriented companies have given a new image to the VoIP offering very simple methods, such as software solutions ready for use.
So it became easy to transition from a fixed line, plug a box into your ordinary telephone equipment and your broadband connection. VoIP companies (Vonage, AT & T CallVantage, EarthLink, VoicePulse and many others) usually provide the box free, and monthly rates for unlimited calls very competitive. Now, Wi-Fi allows VoIP out of the house and office in the opponent squarely against cellular services.
The cellular service providers are beginning to offer their own hybrid cellular / Wi-Fi that leverage the strengths of each. Calling VoIP which is based on Wi-Fi is the most effective solution for homes, offices and public hotspots where broadband connections offer reliable and inexpensive. Moreover, cellular service works best in the area where the Wi-Fi is not available.