Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Patent
1997-01-31
1999-09-14
Hong, Harry S.
Telephonic communications
Plural exchange network or interconnection
With interexchange network routing
379137, 379221, 379224, 379230, H04M 700, H04M 1500
Patent
active
059534036
ABSTRACT:
A system and method of preventing call congestion on outgoing trunks of a local telephone exchange is provided. A virtual trunk group representing a percentage of the total trunk capacity is assigned at the local exchange for carrying calls which are likely to cause congestion. In one embodiment of the invention, call segregation is achieved by using the prefixed dialling code 1+1 followed by the destination number. In another embodiment of the invention, segregation is dynamically achieved using Advanced Intelligent Network (AIN) routing.
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patent: 4850007 (1989-07-01), Marino et al.
patent: 5253288 (1993-10-01), Frey et al.
patent: 5333184 (1994-07-01), Doherty et al.
patent: 5420914 (1995-05-01), Blumhardt
patent: 5473630 (1995-12-01), Penzias et al.
Bartholomew Gary
Kwok Henry Wai Chiu
Lefort Blake F.
Lothian R. Blair
Tom Frankie Chun-Keung
Hong Harry S.
Stentor Resource Centre Inc.
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