System for providing enhanced subscriber services using ISUP cal

Details System for providing enhanced subscriber services using ISUP cal System for providing enhanced subscriber services using ISUP cal

1993-07-21

1994-12-27

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

3701101, 379201, 379207, 379211, 379230, H04J 312

Patent

active

053771869

ABSTRACT:
A system and method for retrieving enhanced subscriber services from at least one database and delivering those services to the subscribers of a telecommunications network without requiring the expensive upgrading of local switches (LSs) to operate with the Transaction Capabilities Application Part/Advanced Intelligent Network (TCAP/AIN) communications protocol. The system comprises a plurality of LSs which are connected to an Advanced Intelligent Network (AIN) and provide the subscribers with access to the network. The system also includes at least one virtual service switching point (ViSSP) within the AIN for storing the database of enhanced subscriber services. LSs or tandem switches may retrieve enhanced subscriber services from the ViSSP utilizing the Integrated Services Digital Network User Part (ISUP) call-setup protocol.

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Switching System Generic Requirements for Interexchange Carrier Interconnection Using the Integrated Services Digital Network User Part (ISDNUP), Bellcore, Bell Communications Research, Technical Advisory, TA-NWT-000394, Issue 5, Apr. 1993.
Advanced Intelligent Network (AIN) Service Control Point (SCP) Generic Requirements, Bellcore, Bell Communications Research, Technical Advisory, TA-NWT-001280, Issue 1, Aug. 1992.

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