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Packet conferencing system with updateable conference detail tables
Packet conferencing system with updateable conference detail tables
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机译：具有可更新会议详细信息表的分组会议系统
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摘要
A telephone exchange (eg PBX) 30 comprises a joined terminal table 341 in which is stored data identifying terminals which join a conference call, the table being updated by a joined terminal table operating portion 352 in response to an operating command. A reception side designating portion 355 uses the table to determine the other telephones involved in the conference call and a transmitting means transmits the received speech packet only to those telephones. Other tables may be used to store details relating to a terminal's authority to join or setup a conference call. The exchange may be arranged to determine the state of terminals connected thereto (eg on hook, seating, not seating etc) and may make this information available to the call instigator. Commands may be used to divide or merge on-going conferences. The terminals will typically be Internet Protocol (IP) telephones.
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