发明名称 CALL BACK METHOD
摘要 Communication system comprising one or more exchanges and a number of terminals (telephone sets, facsimile apparatuses, etc.) which each through one of the mentioned exchanges is able to communicate with at least one of the other terminals whereby a) the user of a calling terminal calls the number of its own exchange, transmits signals indicating that the terminal has to be called back by the exchange after which the connection is cut off, b) thereafter the exchange establishes a connection with the calling terminal, c) the user of the terminal transmits the number of a desired other terminal to the exchange, d) the exchange thereafter establishes the connection with the desired terminal, whereby at least the calling terminals can be connected partly through wireless communication paths with their own exchange and to comprise a buffer in which the number of the desired other terminal can be stored, and comprise a circuit which, after said number is keyed in by the user and is stored in the said buffer, performs the above-mentioned steps a) instead of the user, waits until the exchange reports again, retrieves the number from said buffer and transmits this number instead of the user to the exchange which will perform thereafter step d).
申请公布号 CA2323515(C) 申请公布日期 2009.05.26
申请号 CA19992323515 申请日期 1999.03.10
申请人 PRIVACOM B.V. 发明人 VERKRUIJSSEN, BARTEL JOHANNES
分类号 H04W76/00;H04W84/02 主分类号 H04W76/00
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