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Method for controlling subscriber stations in a radio-telecommunications system

  • US 5,781,860 A
  • Filed: 04/22/1996
  • Issued: 07/14/1998
  • Est. Priority Date: 08/26/1993
  • Status: Expired due to Term
First Claim
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1. A method for controlling subscriber stations in a trunked radiotelecommunications system which includes at least one exchange, at least one base station, and a plurality of subscriber stations sharing radio channels, the subscriber stations having respective user interfaces in which system at least some of the subscriber stations can communicate with one another on a same direct mode channel having a channel identifier, the method comprising the steps of:

  • directing at least some of the subscriber stations to said direct mode channel, by transmitting a command that contains the channel identifier of said direct mode channel to the respective said subscriber stations,in response to receiving said command, the respective said subscriber stations moving to said direct mode channel indicated by said channel identifier, whereby each respective said subscriber station is able to directly communicate with the others of the respective said subscriber stations directed to said direct mode channel, andinforming the user of each subscriber station directed to the direct mode channel via the user interface of the respective said subscriber station that the respective said subscriber station can communicate on said direct mode channel.

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