VoIP

VoIP

1. Skype

2. you speak into a microphone that is connected to a sound card

   • The sound card has an 'Analogue-to-Digital converter' that translates your speech into a digital stream
     • That data is given a destination address and off it goes like any other data stream
       • The receiving computer has the right VOIP software to convert the incoming data back into speech

3. you need a webcam, microphoen and speckers

4. advantage - at its most basic the system is essentially free as long as you have an Internet connection.

   • VOIP service company such as Skype. They may offer a free service if you call other subscribers