Telephonic communications – Special services – Service trigger
Patent
1995-11-16
1997-07-08
Hong, Harry S.
Telephonic communications
Special services
Service trigger
370384, 379220, 379229, 379230, 379234, H04M 342, H04M 700, H04J 312
Patent
active
056469853
ABSTRACT:
A telecommunication network includes first subscribers served by a first independent PBX supported by a first telecommunication switch. The first switch receives a first signal from the first PBX indicating that call origination services for a first subscriber are to be provided directly by a second switch disposed at a hierarchical level above the first switch. A second signal received by the second switch identifies the first subscriber. A record is located in a database coupled to the second switch based upon the identification of the calling subscriber. A group affiliation parameter stored in said record is identified; the group affiliation parameter defines one organization of which the one first subscriber is a member. The second switch transmits a call setup message to a third switch associated with the second 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.
Andruska Donald Lee
Tsai Liane Toy
Hong Harry S.
Lucent Technologies - Inc.
Warren Charles L.
LandOfFree
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