Graceful degradation for voice communication services over wired and wireless networks
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United States of America Patent
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Jul 6, 2010
Grant Date -
Apr 23, 2009
app pub date -
Sep 17, 2008
filing date -
Oct 19, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A communication device for gracefully extending the range and/or capacity of voice communication systems. The communication device includes a persistent storage device configured persistently store the voice media either generated when using the communication device or received over the network at the communication device. When the usable bit rate on the network is poor and below that necessary for conducting a live conversation, the communication device transmits voice media from persistent storage and stores received voice media in persistent storage at the available usable bit rate on the network. Although latency may be introduced during the back and forth transmissions of a conversation, the persistent storage of both transmitted and received media of a conversation provides the ability to extend the useful range of wireless networks beyond what is required for live conversations. In addition, the capacity and robustness in not being affected by external interferences for both wired and wireless communications is improved.
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