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公开(公告)号：JP2001044991A
公开(公告)日：2001-02-16
申请号：JP2000016842
申请日：2000-01-26
Applicant: IBM
Inventor： DERMLER GABRIEL , FLEINER CLAUDIO , GRAF MARCEL , HEUSLER LUKAS S , TRUONG HONG LINH
Abstract: PROBLEM TO BE SOLVED: To reduce the link capacity which is required to one or more attendant terminals by making an attendant terminal other than its own one receive directly the media streams from an optional terminal and a multi-point distributor other than its own one that joins in a distributed multi-point conference system. SOLUTION: This system comprises the attendant terminals 31-33, and the terminal 31 is related with a multi-point distributor(MD) 30. The terminals 32 and 33 excluding the terminal 31 related to the MD 30 transmit directly the media streams 32', 32", 33' and 33" to other terminals. The terminal 31 is supported by the MD 30. In other words, the terminal 31 does not transmit (N-1) media streams and transmits only a single stream 31' to the MD 30. The MD 30 distributes again the stream 31' to the terminals 32 and 33 via the streams 30' and 30".
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公开(公告)号：JP2001045180A
公开(公告)日：2001-02-16
申请号：JP2000017063
申请日：2000-01-26
Applicant: IBM
Inventor： DERMLER GABRIEL , FLEINER CLAUDIO , GRAF MARCEL , HEUSLER LUKAS S , TRUONG HONG LINH
Abstract: PROBLEM TO BE SOLVED: To obtain a method for setting up a communication session between a calling person and a called person by outputting related information or the title of a session by the output device of the called person and alarming the called person that an incoming call arrives. SOLUTION: A calling person 1 speaks a calling related statement, and the calling related statement is shown on a calling device 7. Even though a setup message 10 having calling related information 3 is subjected to path designation through a network 6, the message 10 does not reach a called device 8 yet. The information 3 is made to pass through the network 6, and an output of an alarm signal 11 including the calling related statement is shown to a called person 2 by using an output unit 5. The devices 7 and 8 are connected through the network 6, and the persons 1 and 2 are connected through communication. Telephone calling 9 is established, the status of the calling 9 becomes connection and communication through the network 6 is started.
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公开(公告)号：DE69936834T2
公开(公告)日：2008-05-21
申请号：DE69936834
申请日：1999-01-29
Applicant: IBM
Inventor： DERMLER GABRIEL , FLEINER CLAUDIO , GRAF MARCEL , HEUSLER LUKAS S , TRUONG HONG LINH
Abstract: A distributed multipoint conferencing system (3) comprises a plurality of participating terminals (31;32;33) for sending and receiving media streams in a conferencing interchange; the system further includes at least one multipoint distributor (30) (MD) connected to one terminal (31) for receiving at least one or all media streams from that terminal (31) but not from any other of the participating (32;33); the multipoint distributor (30) is connected to the other participating terminals (32;33) for sending the media stream or streams received from the MD-associated terminal (31) to the other participating terminals (32;33).
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公开(公告)号：DE69936834D1
公开(公告)日：2007-09-27
申请号：DE69936834
申请日：1999-01-29
Applicant: IBM
Inventor： DERMLER GABRIEL , FLEINER CLAUDIO , GRAF MARCEL , HEUSLER LUKAS S , TRUONG HONG LINH
Abstract: A distributed multipoint conferencing system (3) comprises a plurality of participating terminals (31;32;33) for sending and receiving media streams in a conferencing interchange; the system further includes at least one multipoint distributor (30) (MD) connected to one terminal (31) for receiving at least one or all media streams from that terminal (31) but not from any other of the participating (32;33); the multipoint distributor (30) is connected to the other participating terminals (32;33) for sending the media stream or streams received from the MD-associated terminal (31) to the other participating terminals (32;33).
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