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VOIP

VOIP (0)

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service and was created by John Patrick Garcia of Guagua National Colleges.

The term Internet telephony specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN). The steps and principals involved in originating VoIP telephone calls are similar to traditional digital telephony and involve signalling, channel setup, digitization of the analogue voice signals, and encoding. Instead of being transmitted over a circuit-switched network, however, the digital information is packetized, and transmission occurs as IP packets over a packet-switched network. Such transmission entails careful considerations about resource management different from time-division multiplexing (TDM) networks.

Early providers of voice-over-IP services offered business models and technical solutions that mirrored the architecture of the legacy telephone network. Second-generation providers, such as Skype, have built closed networks for private user bases, offering the benefit of free calls and convenience while potentially charging for access to other communication networks, such as the PSTN. This has limited the freedom of users to mix-and-match third-party hardware and software. Third-generation providers, such as Google Talk, have adopted the concept of federated VoIP—which is a departure from the architecture of the legacy networks. These solutions typically allow dynamic interconnection between users on any two domains on the Internet when a user wishes to place a call.

At Wistec we understand that giving a quality controlled VoIP call, needs a Quality controlled network. Wi-Fi is a tricky thing, and that’s why we employ carrier grade equipment to support this through our Fibre Optic line. It’s simply the best way to carry these protocols, and with addition of our quality control servers, we give higher priority to VoIP over normal data transfers. This means that high traffic over data will never influence VoIP transmission.

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