Patent ID: 8243906
Filing Date: 2012-08-14
Classification: H04L,H04M

Abstract:
1. A group communication system comprising: a group ID number issuing apparatus for issuing a group ID number representing a group configured to include a plurality of subscribers selected at a subscriber and commonly used by any one of the plurality of subscribers belonging to the group; and a call control apparatus for, when there is an incoming call to the group ID number, making a call to terminal devices of the plurality of subscribers belonging to the group to enable intercommunication of all the terminal devices belonging to the group that have responded to the incoming call; wherein the call control apparatus comprises: wherein the call control section makes a call with either the type-1 calling number notification or the type-2 calling number notification to the plurality of subscribers belonging to the group in accordance with the calling number notification type identified by the calling number notification type identification section.