Intelligent multimedia calls
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United States of America Patent
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Mar 20, 2012
Grant Date -
Jul 19, 2007
app pub date -
Sep 14, 2004
filing date -
Sep 27, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of setting up and/or controlling a multimedia call involving an H.324 enabled user terminal and a circuit switched connection terminating at the user terminal and at a video gateway, the method comprising: sending DTMF control signals over the circuit switched connection within H.245 protocol control messages; and on the basis of said DTMF control signals, routing or re-routing the connection to an appropriate data source or mapping the connection to an appropriate data source.
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