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Skype was founded in 2003 by Niklas Zennström, from Sweden, and Janus Friis, from Denmark. [15] The software was created by Estonians Ahti Heinla, Priit Kasesalu, Jaan Tallinn, and Toivo Annus. [16] Friis and Annus are credited with the idea of reducing the cost of voice calls by using a P2P protocol like that of Kazaa. [17]
A VoIP phone or IP phone uses voice over IP technologies for placing and transmitting telephone calls over an IP network, such as the Internet. [ 1] This is in contrast to a standard phone which uses the traditional public switched telephone network (PSTN). Digital IP-based telephone service uses control protocols such as the Session Initiation ...
Voice over Internet Protocol ( VoIP ), [ a ] also called IP telephony, is a method and group of technologies for voice calls for the delivery of voice communication sessions over Internet Protocol (IP) networks, [ 2 ] such as the Internet. The broader terms Internet telephony, broadband telephony, and broadband phone service specifically refer ...
This is a comparison of voice over IP (VoIP) software used to conduct telephone-like voice conversations across Internet Protocol (IP) based networks. For residential markets, voice over IP phone service is often cheaper than traditional public switched telephone network (PSTN) service and can remove geographic restrictions to telephone numbers, e.g., have a PSTN phone number in a New York ...
Skype Technologies S.A.R.L (also known as Skype Software S.A.R.L, Skype Communications S.A.R.L, Skype Inc., and Skype Limited) is a telecommunications company headquartered in Luxembourg City, Luxembourg, whose chief business is the manufacturing and marketing of the video chat and instant messaging computer software program Skype, and various Internet telephony services associated with it. [1]
Skype for Business Server (formerly Microsoft Office Communications Server and Microsoft Lync Server) is real-time communications server software that provides the infrastructure for enterprise instant messaging, presence, VoIP, ad hoc and structured conferences (audio, video and web conferencing) and PSTN connectivity through a third-party gateway or SIP trunk. [3]
The Skype protocol is a proprietary Internet telephony network used by Skype. The protocol's specifications have not been made publicly available by Skype and official applications using the protocol are closed-source . The Skype network is not interoperable with most other Voice over IP (VoIP) networks without proper licensing from Skype.
Skype for Business. Skype for Business (formerly Microsoft Lync and Office Communicator) is an enterprise software application for instant messaging and videotelephony developed by Microsoft as part of the Microsoft 365 (formerly Office) suite. It is designed for use with the on-premises Skype for Business Server software, and a software as a ...
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