发明名称 Telephone port with automatic detection and secure
摘要 <p>A method and system for automatically detecting that a telephone port is being used and securing the telephone line associating with the telephone port, is presented. In one embodiment, a method and system is described for automatically securing a telephone line in a telephone system having more than one telephone lines. Usage of a device connected to the telephone line is first detected. Telephones in the system are notified via a data packet to secure the telephone line. In response to the data packet, the telephones prevent a user from accessing the telephone line. &lt;IMAGE&gt;</p>
申请公布号 EP1077568(A2) 申请公布日期 2001.02.21
申请号 EP20000401175 申请日期 2000.04.28
申请人 THOMSON LICENSING S.A. 发明人 RUDD, CLARENCE C.;SHU, LINMEI
分类号 H04M1/253;H04M1/72;H04M1/00;H04M1/67;(IPC1-7):H04M9/00;H04M1/65;H04M3/16 主分类号 H04M1/253
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