H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/32 (2006.01) H04M 11/06 (2006.01)
Patent
CA 2151853
An new cellular interface directly couples the speaker and microphone of a cellular telephone to a simultaneous voice and data (SVD) modem. This interface allows a cellular telephone user to use their cellular telephone for simultaneous voice and data communications over the cellular network. In addition, if the SVD modem has a port coupled to a switched facility of a switching system, this cellular interface allows the cellular telephone user to place a telephone call from their cellular telephone over the switched facility.
Bottoms Stanley
Bremer Gordon
Ko Kenneth David
Roberson D. Randy
Scott Robert Earl
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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