Voice over internet protocol push-to-talk communication system

Details Voice over internet protocol push-to-talk communication system Voice over internet protocol push-to-talk communication system

2011-07-19

2011-07-19

Vu, Huy D (Department: 2461)

Multiplex communications

Special services

Conferencing

C455S518000, C455S412200, C455S463000

Reexamination Certificate

active

07983199

ABSTRACT:
A push-to-talk conference call is conducted over a packet switched network. Participants send a request and receive approval before being allowed to talk during the conference call. In one implementation, only one of the participants is enabled to transmit audio packets while other participants are only allowed to receive audio packets.

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