Oki Electric Industry Co., Ltd.

Yukari Kondou

Shinji Usuba

Ryo Sasaki

Keizo Ikeda

A voice communication system transfers voice information stored in a protocol data unit under a predetermined communication protocol over a network, and includes end voice terminals for transferring and receiving the voice information, and a management server for managing said end voice terminal. The management server includes a manager for storing subscriber information indicative of whether or not the end voice terminals are provided with the capability of predetermined broadband voice communication. A user is informed, at the latest before the user initiates a call from the end voice terminal, of whether or not a telephone set of a called party is provided with the capability of the broadband voice communication through the end voice terminal based on the subscriber information. running in a network under a predetermined communication. This increases the satisfaction of the user and allows a business model justifying charging customers to be built.

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Saitama, Japan

Yukari Kondou