A Detail Review on Voice over Internet Protocol (VoIP)
Voice over Internet Protocol (VoIP) is a new way of communicating. It is a technology that allows users to make telephone calls over an IP network. This paper will describe Voice over Internet Protocol (VoIP) to a level that allows business concerns of implementing VoIP, components of a VoIP system. The business concerns will be those that affect Quality-of-Service (QoS). VoIP components will include end-user equipment, network components, call processors, gateways and two of the more common architectures: Session Initiation Protocol (SIP). This paper gives a brief introduction of VoIP technology: the network structure, protocols, echo and delay, jitter and packet loss in VoIP network.
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