H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 1/60 (2006.01) H04M 1/725 (2006.01)
Patent
CA 2571248
A remote switching for handset handsfree speakerphone operation in a telephone system including an "off of shelf" analog half duplex switching speakerphone IC on a base unit and routs handset handsfree signals via a RF link to and from a microphone and a speakerphone of at least one cordless handset. The remote switching provides a handset handsfree feature on any analog and digital platform that is not equipped with DSPs or other digital means for embedded speakerphone algorithms.
Cao James
Maxwell James
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Vtech Telecommunications Limited
LandOfFree
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