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Method, mobile exchange, and subscriber station in a mobile radio system for establishing a high-priority call

  • US 5,634,197 A
  • Filed: 04/12/1995
  • Issued: 05/27/1997
  • Est. Priority Date: 08/12/1993
  • Status: Expired due to Term
First Claim
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1. A method for establishing a high-priority individual call or group call to at least one subscriber in a mobile radio system participating in a first group call conducted on a given channel, the method comprising the steps of:

  • sending a release message provided with an identifier of the subscriber participating in the first group call to whom it is desired to establish a high-priority individual call or high-priority group call and/or an identifier of the high-priority individual call or high-priority group call to be established on said channel to all subscribers engaged in the first group call,receiving by the subscribers engaged in the first group call of said release message, detecting by said subscriber to whom it is desired to establish a high-priority individual call or high-priority group call, on the basis of said identifier included in the release message, that the release message is intended for said subscriber,terminating by said subscriber of said subscriber'"'"'s engagement in the group call, andjoining by said subscriber of said high-priority call on the basis of the high-priority call identifier received.

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