Umme Samia Habiba (061790556)
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Transcript

  • 1. Abstract
  • 2. 2. Overview of VoIP:
  • 3. VoIP services convert the voice into a digital signal that travels over the Internet. If any one is calling a regular phone number, the signal is converted to a regular telephone signal before it reaches the destination. VoIP can allow to make a call directly from a computer, a special VoIP phone, or a traditional phone connected to a special adapter. In addition, wireless "hot spots" in locations such as airports, parks, and cafes allow anyone to connect to the Internet and may enable its users to use VoIP service wirelessly. In a traditional telephone phone system (POTS, Plain Old Telephone System) an analog voice signal is switched to make a single direct connection to each point. But in VoIP technology, within VoIP, the analog signal is broken in to pa ckets that are delivered to the other end (connection) by various routes on the Internet. At the end of each connection is a system that re -assembles and puts together the original voice signal. This re - assembly is then converted to an analog signal which can be listened to via a standard telephone device.
  • 4. The voice (analogue signal) is converted through a device called a VoIP adapter.Any one can make local and long distance telephone calls over the Internet using your computer , VoIP IP Phone or VoIP adapter.
  • 5. .