| Voice over Internet Protocol, short for VoIP | | | | essentially how VoIP works. It sends calls over |
| refers to the transmission of voice traffic over | | | | the Internet or any other Internet Protocol (IP) |
| Internet Protocol (IP) based network. It is a | | | | network by simply changing voice traffic into data |
| category of both software and hardware that | | | | packets. |
| allows people to make use of the Internet. | | | | The advantage |
| This means that the calls that go over the | | | | There are advantages in using VoIP. One major |
| Internet are traveling over privately controlled | | | | advantage is that it avoids tolls charged by |
| data networks that are using IP rather than by | | | | ordinary telephone service. You can talk to the |
| traditional circuit transmission to transfer the calls | | | | person you want to talk to, as long as you want |
| from one site to the other using a carrier system | | | | without paying for the time. |
| interface. They are then sent over the public | | | | In short, you can talk with many people all at the |
| controlled telephone network. | | | | same time. You can also share datas with people |
| Making use of a VoIP call is just as creating a | | | | you are talking to with, send them images, |
| normal touch tone telephone and dial the normal | | | | graphics, tones, videos and many more. Having |
| phone number any time you wanted to. The | | | | lower operating costs due to reduced hardware |
| person on the other line will not even notice | | | | requirements more resourceful network |
| whether you are calling on a VoIP phone or just | | | | infrastructure. Lower cost structures allow us to |
| an ordinary telephone. The main difference is that | | | | offer lower rates of call compared to a traditional |
| the phone calls that the VoIP uses travels over | | | | telephone line. |
| the Internet rather than through the local | | | | The serious dilemma |
| company?s wires. | | | | VoIP function and services involve data transfer. |
| Communicating with the Voice over Internet | | | | An interactive data voice call takes place every |
| Protocol came to pass in February 1995. Vocaltec, | | | | time you make some calls. You still have to wait |
| Inc. initiated its Internet Phone software. The call | | | | for few seconds to hear if the other side of the |
| originated on a 486/33-MHZ (higher) personal | | | | line answered it already. This is not best |
| computer and telephone. It is equipped with a | | | | appropriate for this principle. Recent development |
| sound card, speakers, microphone and modem. | | | | occurred that they are making adjustments or |
| This determines what type of software or | | | | taking place of the flow of voice signals in an |
| hardware is needed to initiate and complete a call. | | | | improved manner. But still, respect to the quality |
| The software reduced the voice signal and | | | | of traditional telephone lines should take place in |
| converted it into IP pockets for broadcast over | | | | this matter. |
| the Internet. | | | | All of us wants to have high quality phone calls |
| How does VoIP work? | | | | with high accessibility at a low cost rate and an |
| VoIP sends a voice signal to a remote destination. | | | | Internet connection that charges using a flat rate |
| To make it happen, you have to digitize it with an | | | | monthly fee structure. With the technology that is |
| Analog to Digital Converter (ADC). Transmit it and | | | | present nowadays, that is not a problem |
| transform it again in analog format with Digital to | | | | anymore. |
| Analog Converter (DAC) to simply use it. This is | | | | |