发明名称 Call forwarding status monitor
摘要 A call forwarding status monitor for acknowledging the properly dialed DTMF or touch tone keypad indicating that a telephone line has been forwarded to another telephone number. The monitor connects to an available modular telephone jack at the subscribers location and registers the dialed numbers. Once the proper activation (or de-activation) sequence has been dialed, the monitor will provide a positive indication that the call has been forwarded. The indication is in the form of a visible light and/or an alphanumeric display in order to positively verify that the proper number has been entered.
申请公布号 US5694462(A) 申请公布日期 1997.12.02
申请号 US19960610878 申请日期 1996.03.05
申请人 SHEARER, KYL E. 发明人 SHEARER, KYL E.
分类号 H04M3/54;(IPC1-7):H04M1/56 主分类号 H04M3/54
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