Cordless telephone system with wireless expansion peripherals
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United States of America Patent
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Jan 24, 2006
Grant Date -
Jul 8, 2004
app pub date -
Jan 8, 2003
filing date -
Jan 8, 2003
priority date (Note) -
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Abstract
A cordless telephone system comprising a base unit, at least one handset, and one or more expansion units is provided. The handset and the expansion units communicate with the base unit via communication channels implemented in a wireless communication protocol. The expansion units can provide the system with communication interfaces to various external networks, such as an additional analog telephone line, a digital telephone line, or a cellular telephone. Conference calling functionality is provided between handsets and expansion base units within the primary base unit. Data services can also be provided by a wireless expansion base unit.
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