Patent ID: 8861381
Filing Date: 2014-10-14
Classification: H04L,H04M

Abstract:
1. An exchange system comprising: an exchange apparatus that serves a plurality of telephone terminals; and a server device that is connected to the exchange apparatus via an exchange network and that, in a case in which the plurality of telephone terminals are grouped, stores in association and administers, for each group, a different single number and identification information of the at least one telephone terminal belonging to the group, wherein, when a call is originated with a predetermined single number from an originating side telephone terminal, the exchange apparatus performs a query to the server device for a connection destination corresponding to the predetermined single number, and implements a call connection between a telephone terminal of a connection destination, which is a result from the server device in response to the query, and the originating side telephone terminal, wherein the server device includes: wherein the presence information includes not only the “talking” or “out of range” of the telephone terminal of the connection destination but also activity of a user of the telephone terminal of the connection destination, wherein the activity of the user includes any activity registered by the user.