Telephone equipment including a line holding syste

专利名称：Telephone equipment including a line

holding system, an extension communicationdetecting system, and a notification system

发明人：Tsutomu Ukon申请号：US10913527申请日：20040809公开号：US07292869B2公开日：20071106

专利附图：

摘要：A telephone equipment having a main apparatus and a plurality of cordlesshandsets, which can perform an extension communication with being relayed by the main

apparatus. Such a telephone equipment includes a line holding system that holds aconnection between the main apparatus and the outside apparatus, an extension

communication detecting system that detects start of the extension communication whenthe communication with respect to the outside apparatus is being held, a timer thatmeasures a time period elapsed from the start of the extension communication, and anotification system that causes at least one of the cordless handsets performing theextension communication to perform a notifying operation when the time periodmeasured by the timer exceeds a predetermined time period.

申请人：Tsutomu Ukon

地址：Kuwana JP

国籍：JP

代理机构：Oliff & Berridge, PLC

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