Importance

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Abstract

Disclosed is an exchange system, to which a plurality of extension terminals are connected, for effecting a connection to any of the extension terminals upon receiving, from a network, incoming-call information which includes at least extension terminal designating information or attribute information. Also disclosed is a call connecting method in this exchange system. The plurality of extension terminal designating information and the extension terminal information are stored, in correlation, in a first memory, and representative extension information corresponding to the attribute information are stored in a second memory. Reference is made to the first memory to decide an extension terminal corresponding to the extension terminal designating information contained in the incoming-call information. When a decided extension is incapable of receiving an incoming call, a connection is made to a substitutable extension. When all of these substitutable extensions are incapable of received an incoming call, or when there is no extension designating information, an extension terminal having an attribute coinciding with the attribute information contained in the incoming-call information is decided and an incoming call is connected to the extension terminal decided.

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First Claim