System for providing enhanced services in cellular radio telecom

Details System for providing enhanced services in cellular radio telecom System for providing enhanced services in cellular radio telecom

1996-08-27

1999-04-27

Loomis, Paul

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455414, 455445, 379216, H04M 1100, H04M 342

Patent

active

058989170

ABSTRACT:
Enhanced services are accessed from an enhanced services network element of a cellular radio telecommunications system using a cellular carrier specific code (#CCSC) string based office-level trigger and IS-41 messaging protocol message types. The invention takes advantage of the #CCSC standard to define MSC office-based trigger criteria wherein the dialed digits must start with the "#" character. When a call is received by the MSC in which the digits dialed start with "#" followed by a digit sequence, and an office-based trigger is provisioned for the "#" sequence dialed, the MSC suspends call processing and a service query message is generated and sent to the SCP of the requested enhanced service. The SCP then sends a response message back to the MSC, which resumes call processing in accordance with the response from the SCP.

REFERENCES:
patent: 5272748 (1993-12-01), Davis
patent: 5377186 (1994-12-01), Wegner et al.
patent: 5469496 (1995-11-01), Emery et al.
patent: 5588042 (1996-12-01), Comer
B. Hirschman, "Review of Trigger Types and Precedences," TIA/EIA TR-45.2 Intersystem Operations, Wireless Intelligent Network Task Group, Aug. 20, 1996, p. 10, Section D.2.3.4.5.

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