What is Voice Over Internet Protocol Technology?

VoIP is simply another way of making a telephone call. This new technology works by digitalizing voice in data packets, sending them and then reconverting them in voice at destination. VoIP requires the use of Codecs (COder-DECoders). These can be software, or hardware such as microphones, IP telephones or other similar devices. They are required to convert analogue signals (what we say and hear) into digital (for transmission over the network) and back into analogue.

In order to be eligible to receive the VoIP calling system it is necessary to have a high-speed Internet connection. This is possible by being equipped by a cable modem, or simply having a high-speed local area network connection.

The VoIP call can be done in two different ways.

First Way

The first way is by connecting a microphone to the computer and dialing the number on the keyboard. The call reaches the Internet through a cable modem and gets connected to another computer or a telephone

Second Way

The second way consists of connecting the telephone to an adaptor. The number is dialed on the phone; the call goes to the phone adaptor, reaches the Internet and gets connected to another phone or a computer. The person receiving a VoIP call does not need any special equipment. VoIP providers such as Sunrocket or Vonage take voice conversations from the sender and convert them into data in order to be transferred over the Internet. On the sender's side, the data is converted back to its original form, which is the voice conversation. Some services limit calls to other VoIP subscribers only, while other services allows calls anywhere in the world. While making a VoIP call, the user can use the computer for other purposes.

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