Hierarchical switch support of services for subscribers of separ

Details Hierarchical switch support of services for subscribers of separ Hierarchical switch support of services for subscribers of separ

1995-11-16

1997-09-30

Hong, Harry S.

Telephonic communications

Special services

Service trigger

3701101, 379220, 379229, 379230, H04M 342, H04M 700, H04J 312

Patent

active

056733100

ABSTRACT:
A telecommunication network serves first subscribers by a first Centrex telephone exchange (CTX) via a first telecommunication switch. A first signal is received at the first switch from the first CTX which indicates that call origination services are to be provided directly by a second public network switch for a first subscriber. The second switch is disposed at a hierarchical level above the first switch. A second signal is received at the second switch from the first CTX indicative of the identity of the first subscriber. A record is located in a database coupled to the second switch based on the identification of the first subscriber. A group affiliation parameter stored in said record is identified; the group affiliation parameter defines one organization of which the first subscriber is a member. The second switch transmits a call setup message to a third switch associated with the second (called) subscriber; the call setup message includes the group affiliation parameter so that the first subscriber's membership in the one organization can be used in further call processing.

REFERENCES:
patent: 5222120 (1993-06-01), McLeod et al.
patent: 5247571 (1993-09-01), Kay et al.
patent: 5422940 (1995-06-01), Endo et al.

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