Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Patent
1993-03-30
1996-01-09
Matar, Ahmad F.
Telephonic communications
Plural exchange network or interconnection
With interexchange network routing
379221, 379225, 379207, 379227, H04M 906
Patent
active
054835895
ABSTRACT:
In a routing control apparatus and method for a composite network, a decision is automatically made as to whether a connection to a public telephone network via a leased line is allowed, by examining the dial information entered from a calling party and judging the communications applicable to the receiving node, the type of communication requested, and other factors. A connection judging unit extracts, from the dial information entered by the calling party, a node identifier CC for specifying the receiving node and a connecting type identifier V/F for directing the initiation of judgment as to whether a connection to a public network via a leased line is allowed and for providing a parameter for determining the type of communication requested, and which judges, based on the extracted identifiers CC and V/F, whether a connection to a public telephone network accommodating the called party is allowed via a leased line destined for a receiving node. When it is judged that connection to the public telephone network via a leased line is allowed, the call form the transmitting node is connected via the receiving node to the public telephone network that accommodates the called party.
REFERENCES:
patent: 4313036 (1982-01-01), Jabara
patent: 4594477 (1986-06-01), Noirot
patent: 4661974 (1987-04-01), Bales et al.
Akizuki Susumu
Ishida Kazunori
Ishii Tadao
Mori Hiroyoshi
Ogino Akihisa
Fujitsu Limited
Matar Ahmad F.
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