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What is VoIP?

Mar 6th, 2006 07:01
Asrar Khan, vijay y, Hanery Ford, David Sill, Joseph Martin, David Cowgill,

Internet Voice, also known as Voice over Internet Protocol (VoIP), is 
a technology that allows you to make telephone calls using a broadband 
Internet connection instead of a regular (or analog) phone line. Some 
services using VoIP may only allow you to call other people using the 
same service, but others may allow you to call anyone who has a 
telephone number - including local, long distance, mobile, and 
international numbers. Also, while some services only work over your 
computer or a special VoIP phone, other services allow you to use a 
traditional phone through an adaptor.
What is VoIP/Internet Voice?
VoIP allows you to make telephone calls using a computer network, over 
a data network like the Internet. VoIP converts the voice signal from 
your telephone into a digital signal that travels over the internet 
then converts it back at the other end so you can speak to anyone with 
a regular phone number. When placing a VoIP call using a phone with an 
adapter, youíll hear a dial tone and dial just as you always have. 
VoIP may also allow you to make a call directly from a computer using 
a conventional telephone or a microphone.
What Are Some Advantages of Internet Voice?
Because VoIP is digital, it may offer features and services that are 
not available with a traditional phone. If you have a broadband 
internet connection, you need not maintain and pay the additional cost 
for a line just to make telephone calls.
With many VoIP plans you can talk for as long as you want with any 
person in the world (the requirement is that the other person has an 
Internet connection). You can also talk with many people at the same 
time without any additional cost.
What Are Some disadvantages of Internet Voice?
If youíre considering replacing your traditional telephone service 
with VoIP, there are some possible differences:
-Some VoIP services donít work during power outages and the service 
provider may not offer backup power.
-Not all VoIP services connect directly to emergency services through 
-VoIP providers may or may not offer directory assistance/white page