发明名称 Telephone port with automatic detection and secure
摘要 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.
申请公布号 US6359977(B1) 申请公布日期 2002.03.19
申请号 US19990306012 申请日期 1999.05.06
申请人 THOMSON LICENSING S.A. 发明人 RUDD CLARENCE C.;SHU LINMEI
分类号 H04M1/72;H04M1/00;H04M1/253;H04M1/67;(IPC1-7):H04M13/00 主分类号 H04M1/72
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