Integrated access device resident mechanism for...

Details Integrated access device resident mechanism for... Integrated access device resident mechanism for...

2005-03-01

2005-03-01

Smith, Creighton (Department: 2645)

Telephonic communications

Special services

Abbreviated dialing or direct call

C379S355010

Reexamination Certificate

active

06862350

ABSTRACT:
A digital communication link establishment control mechanism, termed ‘dial on off-hook’ (DOO) call routing, is incorporated into call routing control software employed by the microcontroller of an integrated access device (IAD). The DOO routine automatically routes an outgoing call to a user pre-specified destination number of a called circuit, in response to detecting an off-hook signaling state of the calling circuit. No user dialing is required.

REFERENCES:
patent: 4802208 (1989-01-01), Yeh
patent: 5144651 (1992-09-01), Cooper

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