Voip

Voice over Internet Protocol (Voice over IP, VoIP) is one of a family of internet technologies, communication protocols, and transmission technologies for delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms frequently encountered and often used synonymously with VoIP are IP telephony, Internet telephony, voice over broadband (VoBB), broadband telephony, and broadband phone.

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Call logging

Call logging is the process of collecting phone call data, analysing this data, and then reporting on the telephone network's cost, performance, capacity and quality of service (QoS). It should not be confused with telephone tapping or call recording. The former refers to listening to calls, while the latter is about recording conversations.

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Online charging system

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