Concomitant inband signaling for data communications over digital wireless telecommunications network
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United States of America Patent
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N/A
Issued Date -
Dec 21, 2006
app pub date -
Jun 15, 2005
filing date -
Jun 15, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Systems and methods are described to use an inband signaling modem to communicate digital data over a voice channel of a wireless telecommunications network, while simultaneously maintaining the ability to support a voice conversation. An inband signaling modem receives digital data. A voice activity detector receives a digitized voice signal from a codec. The voice activity detector outputs an indication of the degree of confidence that speech is present in the digitized voice signal. If the indication denotes that speech is not present, the inband signaling modem encodes the digital data into audio tones. The synthesized audio tones are sent to a voice channel of a wireless telecommunications network. If the voice activity detector indicates that speech is present, the digitized voice signal is sent to the voice channel of a wireless telecommunications network.
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