Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1992-09-30
1994-05-24
Kuntz, Curtis
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379 58, 34082544, H04M 1100
Patent
active
053156358
ABSTRACT:
A method and apparatus for reliably delivering messages (200) from a central terminal (102) to a communication receiver (130) in a communication system (100), such as an electronic mail system. The central terminal (102) sequentially transmits messages (200) to the communication receiver (130) and the communication receiver (130) receives transmitted messages (200) over a first communication medium (122). The communication receiver (130) reconciles messages that it failed to receive over the first communication medium (122) with the central terminal (102) over a second communication medium (152). The reconciliation between the communication receiver (130) and the central terminal (102) utilizes message sequence identifiers (208) transmitted with the messages (200) that identify the transmission sequence of the sequentially transmitted messages (200).
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"EMBARC.sup.SM Advanced Messaging by Motorola", RC-5-60, Motorola, Inc., Sep. 1992.
Kane John R.
Schwendeman Robert J.
Wright James A.
Dehling G. J.
Gardner Kelly A.
Kuntz Curtis
Macnak Philip P.
Motorola Inc.
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