Next-Generation VoIP Network Architecture
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Overview: The term ""Voice over IP"" (VoIP) describes the transport of voice over IP based networks; it is a generic term that covers deployments ranging in complexity from hobbyists using the internet to get free phone calls on a peer to peer basis, to full scale PSTN replacement networks. In carrier networks VoIP has been mainly deployed in enterprise networks or as a trunking technology to reduce transport costs in voice backbone networks. This White paper identifies and characterizes the primary issues that must be addressed in defining a large scale VoIP network that is capable of supporting, but is not necessarily limited to, full PSTN equivalence.