The Skype software and services provide individuals with a new,secure and innovative way to communicate with other people using the Internet as the medium of transport for messages,whether they are voice calls,text messages or other forms of communication. Skype is the world decentralized telephony network,but it provides far more services than just voice calling that carried over the public Internet. By using a compact client program,which is available in versions for several popular computer platforms,a Skype user is able to send or receive text messages,hold voice calls and exchange data files with other persons.

Communications with other online Skype users are provided free of charge,while certain premium services,such as the placing of voice calls to standard telephone numbers,are available for a modest fee. Skype communications rely largely on peer-to-peer communications techniques in order to improve the quality of voice calls and to reduce the latency of data transfers between users.The term peer-to-peer, frequently written as P2P, is a class of software applications that rely on resources located at the network edge,such as the large number of individual personal computers that are always connected to the Internet,rather than relying on large and costly centralized computer servers. It is this aspect of Skype networking that makes it incredibly robust and tolerant of network failures:Skype has no single critical node upon which the service relies for its operation. Description of Skype services The utility of Skype services are found in the voice calling..

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