Voice over ip

laura parada
carlos abbud
luis chavez

1. Voice Over IP Laura Parada 754784 Carlos Abbud 749062 Luis Chávez 753513

2. Voice Over IP VOIP is an acronym for Voice Over Internet Protocol, or in more common terms phone service over the Internet. Refers to the communication protocols, technologies, methodologies, and transmission techniques involved in the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.

3. VoIP can turn a standard Internet connection into a way to place free phone calls . The practical upshot of this is that by using some of the free VoIP software that is available to make Internet phone calls, you're bypassing the phone company (and its charges) entirely.

4. How does VOIP work? VoIP services convert your voice into a digital signal that travels over the Internet. If you are calling a regular phone number, the signal is converted to a regular telephone signal before it reaches the destination The interesting thing about VoIP is that there is not just one way to place a call. There are three different "flavors" of VoIP service in common use today: ATA : The ATA allows you to connect a standard phone to your computer or your Internet connection for use with VoIP IP Phones -- These specialized phones look just like normal phones with a handset, cradle and buttons. But instead of having the standard RJ-11 phone connectors, IP phones have an RJ-45 Ethernet connector . Computer-to-computer . All you need is the software, a microphone, speakers, a sound card and an Internet connection, preferably a fast one like you would get through a cable or DSL modem

5. Why use VOIP? There are two major reasons to use VOIP Lower Cost Increased functionality You may also be able to avoid paying for both a broadband connection and a traditional telephone line.

6. References http://computer.howstuffworks.com/ip-telephony.htm http:// transition.fcc.gov/voip