Method for providing outgoing call reservation service in...

Details Method for providing outgoing call reservation service in... Method for providing outgoing call reservation service in...

2005-04-19

2005-04-19

Tieu, Benny (Department: 2642)

Telephonic communications

Special services

Repetitive call attempts

C379S156000, C379S157000, C379S207060

Reexamination Certificate

active

06882719

ABSTRACT:
A method for carrying out an outgoing call reservation service, method comprises the steps of determining whether there is an input of the outgoing call reservation request from a calling subscriber of an exchange system, when a called party is determined to be in a busy state; concurrently re-dialing the called party over a plurality of available central office lines; detecting when one of said central office lines connects to the called party; terminating the re-dialing over the remaining plurality of available central office lines when one of the central office lines connects to the called party; and connecting the central office line that made the connection to the called party to the calling subscriber.

REFERENCES:
patent: 5260986 (1993-11-01), Pershan
patent: 5956395 (1999-09-01), Song
patent: 6035030 (2000-03-01), Gore
patent: 6035031 (2000-03-01), Silverman
patent: 6169795 (2001-01-01), Dunn et al.
patent: 6339640 (2002-01-01), Chen et al.

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