Patent ID: 7822014

Claim:
A voice communication system, comprising: a plurality of end voice terminals sending and receiving voice information stored under a predetermined communication protocol in a protocol data unit; and a management server for managing said end voice terminals, said management server including a management information storage for storing broadband communication management information indicative of whether or not said end voice terminals are capable of predetermined broadband voice communication, a management information updater for updating said broadband communication management information according to any one of introduction, removal, failure, or restoration of the failure of any of the end voice terminals, and a creator for creating image information presenting whether or not each of the end voice terminals is capable of broadband voice communication, for selecting a target end voice terminal among the end voice terminals on the basis of said broadband communication management information, for delivering said image information to each of the end voice terminals to be displayed thereon, and for placing a call with the target end voice terminal.