发明名称 Cordless key telephone system with multiple tenant facility.
摘要 <p>In a cordless key telephone system in which radio-frequency connections are established between exchange lines (5) and cordless stations (3) in response to a call request, a ringing signal is transmitted in response to an incoming call by containing in it the identification of the line at which the call is terminated. Each cordless station has an array of line keys (35) associated respectively with the exchange lines and an array of line indicators (36) associated respectively with the line keys, and a memory (37) for storing tenant data indicating the lines to which the cordless station is authorized to access. The cordless station examines the tenant data in response to receipt of the ringing signal, and activates one of the line indicators if the indicated line is found in the tenant data. In response to an outgoing call originated by the cordless station operating a line key, the cordless station examines the tenant data, and allows a connection to be established from that station to an exchange line when the line associated with the operated line key is found in the tenant data. &lt;IMAGE&gt;</p>
申请公布号 EP0533510(A2) 申请公布日期 1993.03.24
申请号 EP19920308584 申请日期 1992.09.21
申请人 NEC CORPORATION;NIPPON TELEGRAPH AND TELEPHONE CORPORATION 发明人 SAEGUSA, NOBORU;SHIMURA, YUKIHIRO;KUMATAKA, SHINJI;ADACHI, HIROKAZU;TAMURA, ICHIRO;HASHIMOTO, KOSUKE
分类号 H04M1/00;H04M1/72;H04M1/725;H04M3/42;H04M9/00;H04Q3/58;H04W84/16 主分类号 H04M1/00
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