Method for maintaining audience continuity of a communication group call
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United States of America Patent
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-
Feb 13, 1996
Grant Date -
N/A
app pub date -
Feb 18, 1994
filing date -
Feb 18, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a multi-site communication system (100), audience continuity of an established communication group call can be maintained by a central controller (116) in the following manner. Upon initial establishment of the call, the central controller (116) allocates a communication resource (105-108) of each site in a first set of sites (101-104) to the communication group and establishes an audience list of active communication units (111-115). The audience list is continually updated with information on newly transmitting communication units and relocation information of communication units already in the list throughout the group call. When the group call ends, the audience list is maintained for a predetermined period of time. If during this predetermined period of time, a subsequent group call is requested for the same communication group, the group call can be re-established based on the information contained in the audience list.
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