A radio telephone communication system (200) having a base station (203) including at least one frequency agile time division duplex transceiver (207) for facilitating communication with at lest one radio telephone (100) on the at least one radio frequency channel. The radio telephone (100) scans a plurality...http://www.google.fr/patents/US5327578?utm_source=gb-gplus-shareBrevet US5327578 - Radio telephone system supporting automatic busy and out-of-range indications
Radio telephone system supporting automatic busy and out-of-range indications
