Multiplex communications – Wide area network – Packet switching
Patent
1986-08-27
1989-03-28
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
379 88, H04J 302
Patent
active
048170860
ABSTRACT:
There is disclosed a call announcement circuit arranged for connection to a communication system via a voice (or data) path and also via a separate control channel. Using this arrangement, the system main processor can control the message delivery capacity of the announcement circuit since the circuit has direct access to the internal system buses. This configuration allows detailed control of the announcement circuit on channels separate from the communication channel.
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Oye Kevin J.
Paterno Enzo
Smith Thomas L.
American Telephone and Telegraph Company
AT&T Information System Inc.
Olms Douglas W.
Padnes David R.
Tannenbaum David H.
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