Voice over Internet Protocol provides the facility to make a call using the Internet and that too in a very cost-effective manner than any other available medium. VoIP, the acronym for Voice over Internet Protocol, is a process of routing of a voice conversation over the Internet. After the launch of broadband in the Internet market, the phenomenon of Voice over IP has reached its top level and today it is being used by almost every person who uses the Internet. Nowadays, almost every corporation, whether it is large or small, is using IP telephony and Voice over IP solutions to facilitate their communication. This method brings down the expenses for the companies - particularly the infrastructural investment in their communication processes.

Some people may have a misconception about Voice over IP. There are those who might think that the VoIP service is a useless thing or service, as they often compare it with the basic PSTN Phone lines or mobile services. However, the process of routing your voice over the Internet networks is a much better option from any of the above mentioned services. The main advantages of VoIP include cost effectiveness and reliability. This telephony service costs far less than any other traditional phone lines or mobile connections, as it uses the medium of the Internet. On the other hand, if we talk about the reliability of this service, it provides completely encrypted base for people to exchange their views and ideas, and as a result, the chances of the users missing even a single bit of communication is very rare.

There are some other major advantages of VoIP. A user can avail this facility, wherever they want. This means that if a person is on a vacation, then he can take his VoIP device with him and connect it to Internet to make and accept calls on the regular phone numbers at the same rates that he was paying back home. Irrespective of the specific location of a particular person, the IP Telephony would never let him go out of reach. It also includes the facility of making the calls to any point of this world and that too at cheaper rates. In quite a few countries, the providers often provide the VoIP-to-VoIP calls for free. As the result, each user of this incredible service can make or receive calls for free. The user also has to pay lower bills in comparison with the normal PSTN phone or mobile services.

The VoIP providers sell some quantity of bandwidth to the wholesalers, and then the wholesaler transfers this service to retailers, and then the retailers provide us this service at their end. By providing greater facilities such as the capability to make Internet calls, the technology of VoIP, is delivering significant benefits to the users in terms of a decrease in call costs, an increase in call efficiency and the support of reliable broadband networks.