Specialized call routing method and apparatus for a cellular com

Details Specialized call routing method and apparatus for a cellular com Specialized call routing method and apparatus for a cellular com

1994-12-22

1997-02-11

Bost, Dwayne D.

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 37, 379 45, 379 60, H04Q 738

Patent

active

056029012

ABSTRACT:
A method and apparatus for specialized call handling transmits (224) and receives (194) a specialized call request message, determines (196) a location of a remote communication unit (100, 110, 140) sending the specialized call request message, determines (200) at least one service center telephone number which the remote communication unit (100, 110, 140) may use to establish a specialized call, transmits (202, 206) a returned message to the remote communication unit (100, 110, 140) containing a selected service center telephone number, and sets up the specialized call (204, 232) using the selected service center telephone number.

REFERENCES:
patent: 4757267 (1988-07-01), Riskin
patent: 4866762 (1989-09-01), Pintar
patent: 4901340 (1990-02-01), Parker et al.
patent: 5388147 (1995-02-01), Grimes
patent: 5444760 (1995-08-01), Russ

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