Multiplex communications – Wide area network – Packet switching
Patent
1990-08-01
1993-04-20
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 77, H04J 312
Patent
active
052048624
ABSTRACT:
In a communications system network that comprises a plurality of communication systems and a processing multiplexer, a method and apparatus for selectively muting particular signal sources of a communication system is disclosed. In each communication system, a processing multiplexer interface module detects when a mute request is generated and injects a null audio signal into a corresponding TDM slot of a source interface bus. This process can be used to localize audio communications of a particular signal source in a communication system or may be used for individual communication system testing of its audio signal bus.
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patent: 4813040 (1989-03-01), Futato
patent: 4945355 (1990-07-01), Blanchette
patent: 5093829 (1992-03-01), Maher
Maher John W.
Rydberg James T.
Hsu Alpus H.
Markison Timothy W.
Motorola Inc.
Olms Douglas W.
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