Establishing a group call in a mobile radio system
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United States of America Patent
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-
Dec 22, 1998
Grant Date -
N/A
app pub date -
Jul 10, 1996
filing date -
Nov 11, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and mobile radio system for establishing a group call extending to service areas of several exchanges in a mobile radio system which includes at least a first exchange and a second exchange, telecommunication media for establishing communication connections between at least the first exchange and the second exchange, and a plurality of mobile stations communicating via the exchanges. The method includes selecting a second exchange to which the group call is routed from the first exchange. To save telecommunication resources in a mobile radio system, checking, before routing the call to the second exchange, whether a telecommunication medium has been previously allocated on the connection from the first to the second exchange for the group call to be established, and, if so, routing the group call to be established from the first to the second exchange without allocating a new telecommunication medium to that connection.
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