Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Patent
1992-07-31
1995-01-31
Dwyer, James L.
Telephonic communications
Plural exchange network or interconnection
With interexchange network routing
379207, 379230, H04M 700, H04M 342
Patent
active
053864670
ABSTRACT:
This invention relates to a method and apparatus for improving the performance of intelligent networks. In a departure from the prior art, when a data base system, such as a service control point, receives an inquiry from a switching system, if the data base system recognizes that it cannot provide the complete data requested by the inquiry, it directly launches another inquiry to another data base system to provide the missing data. Advantageously, such an arrangement reduces the number of messages transmitted among switching systems and data base systems.
REFERENCES:
patent: 4757267 (1988-07-01), Riskin
patent: 5136636 (1992-08-01), Wegrzynowicz
E. G. Sable et al. "Intelligent Network Directions", AT&T Technical Journal, Summer 1991, vol. 70, No. 3-4, pp. 2-10.
G. Y. Wyatt et al., "The Evolution Of Global Intelligent Network Architecture", AT&T Technical Journal, Summer 1991, vol. 70, No. 3-4, pp. 11-25.
J. J. Lawser et al., "Generic Network Plan", The Bell System Technical Journal, vol. 61, No. 7, Sep. 1982, pp. 1589-1598.
AT&T Corp.
Dwyer James L.
Hong Harry S.
Ulrich Werner
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