System and method for conducting a dispatch multi-party call...

Details System and method for conducting a dispatch multi-party call... System and method for conducting a dispatch multi-party call...

2007-04-24

2007-04-24

Gesesse, Tilahun (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S518000, C455S416000

Reexamination Certificate

active

11227358

ABSTRACT:
In an embodiment of a method of the present invention, the method includes the acts of establishing a dispatch multi-party call between a set of communication devices and establishing a sidebar communication between a subset of the set of communication devices. The set of communication devices participate in the dispatch multi-party call and only the subset of communication devices participate in the sidebar communication. In an embodiment of a system of the present invention, the system includes a dispatch network and a set of communication devices in communication with the dispatch network. The dispatch network establishes a dispatch multi-party call between the set of communication devices and a sidebar communication between a subset of the set of communication devices, wherein the set of communication devices participate in the dispatch multi-party call and only the subset of communication devices participate in the sidebar communication.

REFERENCES:
patent: 5473605 (1995-12-01), Grube et al.
patent: 6236854 (2001-05-01), Bradshaw, Jr.
patent: 6553236 (2003-04-01), Dunko et al.
patent: 6957077 (2005-10-01), Dehlin
patent: 2006/0030347 (2006-02-01), Biswaas

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