A telecommunications network in which complex call processing, routing, and network management are provided by means of centralized database at a few points, rather than from a speed signaling network carrying information on call setup to an individual switch
An advanced architecture for a telephone network. Its foundations are built on the evolution of computer based switches and Signaling System 7. A network that can offer advanced services without rewriting the software on, or re-engineering the hardware of, the central office switch.
A switched voice and data network consisting of a variety of nework elements. It refers to open interfaced, multi-vendor, telecommunications capabilities that let phone companies create and customize their service offerings.