Conferencing PSTN gateway methods and apparatus to facilitate heterogeneous wireless network handovers for mobile communication devices
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United States of America Patent
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Jun 18, 2013
Grant Date -
Nov 29, 2012
app pub date -
Aug 10, 2012
filing date -
Sep 23, 2005
priority date (Note) -
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Abstract
For initially establishing a voice call, a first connection leg for the voice call is established between a mobile device operating in a wireless network and a conference room of a conferencing gateway. A second connection leg is established via the conferencing gateway between a processor and a communication device connected in a telephone network. Subsequently, the processor sends a message to the conferencing gateway for transferring the second connection leg from between the processor and the communication device to the conference room and the communication device, for initially establishing the voice call. The conference gateway is configured to combine media streams of connection legs of the voice call.
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