International priority calling system with callback features

Details International priority calling system with callback features International priority calling system with callback features

1992-08-05

1994-05-10

Dwyer, James L.

Telephonic communications

Special services

Repetitive call attempts

379207, 379201, 379266, H04M 164, H04M 348

Patent

active

053115830

ABSTRACT:
A telephone call initiated from a first network and directed to a second network at which network resources are temporarily unavailable to route and/or switch that call, is completed by a) estimating the anticipated time before these resources can become available, b) offering the caller the option of being called back, based on that estimation, c) calling back the caller when network resources are expected to become available, d) establishing a connection from the first network to the called party at the second network, and e) merging the two calls.

REFERENCES:
patent: 3553385 (1971-01-01), Morgan et al.
patent: 4139739 (1979-02-01), von Meister et al.
patent: 4166929 (1979-09-01), Sheinbein
patent: 4788715 (1988-11-01), Lee
patent: 4885780 (1989-12-01), Gopal et al.
patent: 5020095 (1991-05-01), Morganstein et al.
patent: 5040208 (1991-09-01), Jolissaint
patent: 5155761 (1992-10-01), Hammond
patent: 5185782 (1993-02-01), Srinivasan
"AT&T Conversant Voice System", AT&T Technical Journal vol. 65, Issue 5, pp. 34-47, Sep./Oct. 1986.

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