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Browse Prior Art Database

LOGGING TRUNKED AUDIO OF SPECIFIC INDIVIDUALS

IP.com Disclosure Number: IPCOM000007126D
Original Publication Date: 1994-Feb-01
Included in the Prior Art Database: 2002-Feb-27
Document File: 1 page(s) / 62K

Publishing Venue

Motorola

Related People

Tom Hoffman: AUTHOR [+2]

Abstract

When the logging device receives a Talkgroup BOMT (Begin of Mobile Transmit) and the individ- ual ID in the Talkgroup BOMT matches an ID that is programmed in the logging device's persprom, it will treat the Talkgroup BOMT as a Private Call BOMT Since the logging device is capable of log- ging the audio of a Private call, this starts the log- ging of the individual's audio.

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MOTOROLA Technical Developments Volume 21 February 1994

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LOGGING TRUNKED AUDIO OF SPECIFIC INDIVIDUALS

by Tom Hoffman and Jim Connor

  When the logging device receives a Talkgroup BOMT (Begin of Mobile Transmit) and the individ- ual ID in the Talkgroup BOMT matches an ID that is programmed in the logging device's persprom, it will treat the Talkgroup BOMT as a Private Call BOMT Since the logging device is capable of log- ging the audio of a Private call, this starts the log- ging of the individual's audio.

  When the logging device receives a Talkgroup EOMT (End of Mobile Transmit), and this is the talkgroup that started the logging as mentioned above, the Talkgroup EOMT will be treated as a Private Call EOMT. This ends the logging of the individual's audio.

  The only constraint to the above method is that the trunked system must be a PTT ID system. This is to ensure that the individual ID in the BOMT is accurate and correctly matches the individual that is currently transmitting.

ABSTRACT

  The manner in which audio is logged in trunked systems is governed by the manner in which trunked calls occur: either on a per Talkgroup Call basis, or on a per Private Call basis. This invention enables us to log the audio of a specific individual regardless ofwhich talkgroup the individual is affiliated to, and regardless ifthe individual was in Private Call mode or not.

PURPOSE OF INVENTION

  Logging devices are programmed with the Talkgroup IDS and the Private Call IDS that are t...