Efficient communication through networks

Telephonic communications – Audio message storage – retrieval – or synthesis – Multimedia system

Reexamination Certificate

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C340S007210, C370S354000

Reexamination Certificate

active

10941471

ABSTRACT:
A method and device that interrogates the availability of a called party before placing a communication from the calling party to the called party. A callback may be initiated so that both communications are completed simultaneously. The routing of communication may take place through any one of a number of different networks and at another time of the day, even if the caller does not otherwise have access to those networks.

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