What is "skype"

Skype is a software that allows communication over the Internet through voice over IP connections (Voip). It belongs, since May 2011, to Microsoft. It was initially created by the Danish Janus Friis and the Swedish Niklas Zennström while working at the firm Kazaa.

Characteristics

• Unlimited and free communication for other Skype users in the world whole.
• Sound quality.
• Encrypted (not secure because it is not possible to generate and/or confirm the digital certificate).
• It may require configuration on some antivirus and firewalls, which block access doors.
• Skype’s contact list shows when your friends are online and available to speak or chat.
• With Skype you can talk in real time, send files and talk to many people at the same time at a conference.
• Skypecast is a free Skype service that allows conversations with up to 100 people at the same time.
• Share and work the same file between two Skype users.
• Skypefind is the new Skype service that lets you get information on business establishments.