Telephonic communications – Plural exchange network or interconnection – Connection call model
Patent
1997-07-30
2000-08-22
Hong, Harry S.
Telephonic communications
Plural exchange network or interconnection
Connection call model
379115, 379210, H04M 700, H04M 342
Patent
active
061084085
ABSTRACT:
An apparatus and method are provided for routing a call to dedicated number through an AIN-based network. A predetermined sequence of preferred or ranked carriers is assigned to an end office from which a call originates. Input of the dedicated number at an end office number triggers the network to assign a primary carrier to connect the call based on a user selection, a Primary Interexchanged Carrier, or the first carrier indicated by the predetermined sequence. An alternate and secondary carrier may also be assigned based upon the predetermined sequence. The call is routed sequentially to the primary, alternate, and secondary carrier until a connection is established or until all routes are exhausted. The features of the invention are particular useful for routing calls to the Government Emergency Telecommunications Service (GETS).
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Coranado M. Lourdes
Culli Laura
Hickman David
Nance Bruce A.
Plunkett William
Hong Harry S.
SBC Technology Resources Inc.
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