Voip, or Voice Over Internet Protocol is used for transmission of voice of an IP based network.
Analog signals are converted into digital signals. These signals are sent over the internet in the form of data packets. On the receiving end, the process is simply reversed. Different codecs are used for encoding speech so it can be transmitted over the net. A session control protocol is used to begin and end the calls.
Advantages of VoIP
Saving Money
The primary advantage of using VoIP service is its low cost. After giving a fixed monthly fee you can make unlimited number of calls anywhere in the country like U.S. and Canada. Another benefit is that call rates for international calls are very cheap as in comparison to normal charges. VoIP service varies in its costs, features, and coverage area. The low cost feature of VoIP has been a main advantage to tech support and customer care centers.
Portability
The other major benefit of VoIP service is its portability. One of the main disadvantages with land line phones is that you can carry the phone up to a distance. But, with VoIP you can carry the phone as long as you can access a broadband connection. Even if you are planning a long trip, you can carry the phone with you and use it where ever you find a broadband connection. See, how easy it is to make calls over VoIP.
Powerful Features
The extra features of Voip services will literally blow you away. Call waiting, caller ID, call forwarding, three-way calling and automatic call screening are just a few. The best part? There is no additional charge for these services. None, zero, NADA! They are all bundled together with an unlimited calling plan. How can you beat that?
No special hardware
For using VoIP service you dont need to use any extra hardware. You can use an existing LAN or WAN connection to make calls.
Other advanced features that may also be bundled in a plan are:
Account manager Call blocking Speed dial list Voice mailbox Customized ring tones
With VoIP, you get a secure connection to make calls that could not be found in land line phones.
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