Introduction Voice over earnings protocol (Voice over IP, VoIP) is one of a family of internet technologies, communication protocols, and transmitting technologies for delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. With the advent of broadband internet, change magnitude speed of selective information transfer and high-performance attribute of service, VOIP has become a cost-effective and reliable stock of communication. The technology is of particular use for the corporates si nce they can unify in every communications! channels email, phone, fax etc. into one. As it aims to contribute a delivery mechanism of all these different forms of info audio, video, text into one medium the cellphone, it can pose a challenge to the incumbent telecom companies such as AT&T and Verizon. VoIP devices have simple, intuitive user interfaces, so users can often make simple system cast changes. Dual-mode cell...If you want to get a full essay, order it on our website: OrderEssay.net
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