Apparatus for conducting a conference call between a wireless line and a land line using customer premise equipment
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United States of America Patent
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Aug 30, 2005
Grant Date -
Aug 21, 2003
app pub date -
Jan 6, 2003
filing date -
Jan 4, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and method for conducting a conference call between a wireless line and a land line using customer premise equipment, where a cordless telephone device connected to the PSTN includes a wireless telephone cradle for receiving a cellular telephone. Interface circuitry residing in the cordless telephone controls operation of the cordless telephone handset and the cellular handset when positioned in the cradle and connects a first call between a user and a first party via the PSTN and a second call between the user and a second party via the wireless telephone network toward establishing a conference call among the user, the first party and the second party. Echo cancellation and suppression is provided to minimize objectionable echo between the two far end parties.
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