3. Skype uses a Voice Over Internet Protocol Technology, which turns the voice signals into data steams that are brought through the internet and converted back to audio by the other persons computer.
4. Skype is not the only company to use Voice Over Internet Protocol Technology however it operates on a P2P model.
5. The service enables users to communicate between Skype-equipped devices, which is free, or with another Skype device or a telephone for moderates fees. Skype offers features such as voicemail and call forwarding, and the service also supports video communication.