Patent ID: 9143593
Filing Date: 2015-09-22
Classification: H04M

Abstract:
1. An addressee information notification system, comprising: an application server that based on one of a plurality of distinct service numbers each corresponding to one of a plurality of addressees but not associated with a physical terminal, that is requested by an incoming call connection request, selects one transfer destination number from a plurality of alternative transfer destination numbers associated with a plurality of transfer destination terminals, wherein the selected transfer destination number is associated with two or more of the plurality of addressees, and transfers the call connection request to the selected transfer destination number, the application server comprising an addressee information attachment section that attaches addressee information comprising said one service number or identification information associated with said one service number to the call connection request to be transferred to the selected transfer destination number wherein if the call connection request to the selected transfer destination number is an INVITE request message, the addressee information attachment section attaches the addressee information as an optional parameter value of the SIP message header of the INVITE request message; and a plurality of terminals, each of which is configured as an alternative transfer destination, at least one of the plurality of terminals having an addressee information output section that, when a call connection request is provided to the at least one of the plurality of terminals from the application server, outputs addressee information attached to the call connection request before the at least one of the plurality of terminals is taken off-hook, wherein, from among two or more addressees associated with the at least one of the plurality of terminals, the addressee information of the addressee corresponding to said one service number requested by the incoming call connection request is outputted.