US 6,434,226 B1Granted

Incoming call control system

AssigneeFujitsu Limited

InventorSatoshi Takahashi

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Abstract

In order to realize notification of an incoming call at a client terminal utilizing an existing extension switch system, an exchange of the extension switch system is linked with a server of client terminals such that notification of an incoming call to an extension is made also at a client terminal. Further, whether an incoming call to a client terminal is permitted or not can be changed depending on whether the client terminal is in a log-in state or not. Still further, notification of an incoming call to a client terminal is made by reproducing an audio file or the like to realize a flexible extension call. Further, a response to an incoming call at a client terminal is managed by a timer such that, in case of time out, an ordinary extension rings. Still further, the server is made to have alternative recipient information such that notification of an incoming call is transferred via the server.

Claims7

Dependent claims

An incoming call control system comprising:

an exchange connected with a plurality of extensions for controlling extension line communication or line wire communication;
a plurality of client terminals each of which having display means;
a server with which said plurality of client terminals are connected to form a network for sending and receiving outgoing and incoming call information to and from said exchange,
said server being provided with means for making said extensions correspond to said client terminals, respectively, and means for notifying a client terminal to refer to said means for making said extensions correspond to said client terminals when incoming call information to one of said extensions is received from said exchange and to notify a client terminal corresponding to said extension of the incoming call, ringing at said extension is not produced when a corresponding terminal is reproducing sound, and ringing at said extension is produced when sound is not reproduced, and
each of said client terminals being provided with means for displaying notification of an incoming call to change the status of display on said display means when notification of an incoming call is received from said server, wherein said server is provided with means for managing an incoming call mode and a call mode for an incoming call to a client terminal, corresponding to an extension which receives incoming call information from said exchange, is arbitrarily set from the side of the client terminals.

2 more elements

Dependencies are inferred from the claim text.