KINDS AND PROTOCOLS OF VOIP
A. Ways of Calling by VoIP:
There are three ways that you might talk to someone using VoIP. If you\'ve got a computer or a telephone, you can use at least one of these methods without buying any new equipment:
• ATA : This is the most common way to make a VoIP call. You use a device called an analog telephone adapter. This adapter allows you to connect a standard phone to your computer or internet connection and place a VoIP call. This device is an analog to digital converter.
• IP Phones : Specialized phones look like normal phones, however instead of using a standard RJ-11 connector, it uses the RJ-45 Ethernet connector. These types of phones connect directly to your router and have all the hardware and software included.
• Computer – to – Computer : This is the easiest way to use VoIP. With the use of free software, a sound card, a microphone and speakers you can turn your computer into telephone. The only charge that you have to pay for......
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