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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 to ...
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 ...
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 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]
Flip VoIP phone. 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).
Skype, a voice over IP (VoIP) service, was first released in 2003 as a way to make free computer-to-computer calls, or reduced-rate calls from a computer to telephones. Support for paid services such as calling landline/mobile phones from Skype (formerly called SkypeOut), allowing landlines and mobile phones to call Skype (formerly called ...
Skype offers a number of features based around calling (both free and paid), messaging (including instant, voice and text messaging (SMS)), video chat, and file and screen sharing. [1] The following is a partial list of Skype 's features :
Google (GOOG) has acquired the Internet audio and video communications company Global IP Solutions (GIPS) for $68.2 million. The search giant has made previous acquisitions in the online video ...
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