Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2006-02-07
2006-02-07
Tran, Pablo N. (Department: 2685)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S517000, C455S519000
Reexamination Certificate
active
06996414
ABSTRACT:
Information is retrieved from a list of members of a group call group. Based on the retrieved information, a group call is established between first and second mobile stations (MS). The first MS is served by a first base station controller (BSC) and the second MS is served by a second BSC. Voice data for the group call is transmitted in a multicast session. Based on a history of group calls between two points in a mobile communications network, a determination is made as to whether to establish a multicast session between the two points, e.g., in anticipation of a future group call.
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Aravamudan Murali
Iyer Prakash R.
Naqvi Shamim A.
Ramakrishnan Kajamalai G.
Sundar Rangamani
Motorola Inc.
Pace Lalita W.
Tran Pablo N.
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