A cordless telephone or portable telephone has a portable telephone handset that connects by radio to a base station connected to the public telephone network. The ...
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operational range is limited, usually to the same building or within some short distance from the base station.
A cordless telephone differs functionally from a mobile telephone in its limited range and by depending the base station on the subscriber premises. Current cordless telephone standards, such as PHS and DECT, have blurred the once clear-cut line between cordless and mobile telephones by implementing cell handoff (handover); various advanced features, such as data-transfer; and even, on a limited scale, international roaming. In specialized models, a commercial mobile network operator may maintain base stations and users subscribe to the service.
