Enhanced flexible alerting

Details Enhanced flexible alerting Enhanced flexible alerting

2006-03-28

2006-03-28

Tieu, Benny Q. (Department: 2642)

Telephonic communications

Special services

Call diversion

C379S049000

Reexamination Certificate

active

07020260

ABSTRACT:
A method and apparatus for alerting a plurality of groups of telephone stations in sequence in response to receipt of a pilot directory number in a first telephone switching system first switch alerting a group of telephones; if none of the first group of telephones answers establishing a connection via a second pilot directory number to a second switch for accessing a second group of telephones and alerting the members of the second group. Advantageously, this arrangement allows a telephone call to be completed to a first preferred group of telephones before attempting to complete the call to a second group of telephones.

REFERENCES:
patent: 5323444 (1994-06-01), Ertz et al.
patent: 5524147 (1996-06-01), Bean
patent: 5802160 (1998-09-01), Kugell et al.

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