Dispatch call server in a packet based communication network

Details Dispatch call server in a packet based communication network Dispatch call server in a packet based communication network

2005-11-29

2005-11-29

Lin, Wen-Tai (Department: 2154)

Electrical computers and digital processing systems: multicomput

Computer network managing

Computer network access regulating

C709S204000, C709S238000, C370S312000, C370S390000, C455S426100, C455S466000, C455S512000

Reexamination Certificate

active

06970926

ABSTRACT:
A dispatch server (206) is provided in a packet based dispatch radio network to serve as coordinator and arbitrator for dispatch group calls. Participants in a group call transmit internet protocol (IP) voice packets to the server in unicast fashion. The server receives voice packets from multiple sources (210, 216) and implements a prioritization scheme to select one source to pass on to the group via IP multicast. Various prioritization techniques are described.

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