Vin et al., 2002 - Google Patents

Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L12/00—Data switching networks
  • H04L12/02—Details
  • H04L12/16—Arrangements for providing special services to substations contains provisionally no documents
  • H04L12/18—Arrangements for providing special services to substations contains provisionally no documents for broadcast or conference, e.g. multicast
  • H04L12/1813—Arrangements for providing special services to substations contains provisionally no documents for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
  • H04L12/1831—Tracking arrangements for later retrieval, e.g. recording contents, participants activities or behavior, network status
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L12/00—Data switching networks
  • H04L12/02—Details
  • H04L12/16—Arrangements for providing special services to substations contains provisionally no documents
  • H04L12/18—Arrangements for providing special services to substations contains provisionally no documents for broadcast or conference, e.g. multicast
  • H04L12/1813—Arrangements for providing special services to substations contains provisionally no documents for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
  • H04L12/1822—Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M3/00—Automatic or semi-automatic exchanges
  • H04M3/42—Systems providing special services or facilities to subscribers
  • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
  • H04M3/567—Multimedia conference systems
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M3/00—Automatic or semi-automatic exchanges
  • H04M3/42—Systems providing special services or facilities to subscribers
  • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
  • H04M3/563—User guidance or feature selection
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L65/00—Network arrangements or protocols for real-time communications
  • H04L65/40—Services or applications
  • H04L65/403—Arrangements for multiparty communication, e.g. conference
  • H04L65/4046—Arrangements for multiparty communication, e.g. conference with distributed floor control
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L29/00—Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00 contains provisionally no documents
  • H04L29/02—Communication control; Communication processing contains provisionally no documents
  • H04L29/06—Communication control; Communication processing contains provisionally no documents characterised by a protocol
  • H04L29/0602—Protocols characterised by their application
  • H04L29/06027—Protocols for multimedia communication
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M3/00—Automatic or semi-automatic exchanges
  • H04M3/42—Systems providing special services or facilities to subscribers
  • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L65/00—Network arrangements or protocols for real-time communications
  • H04L65/40—Services or applications
  • H04L65/4007—Services involving a main real-time session and one or more additional parallel sessions
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M2203/00—Aspects of automatic or semi-automatic exchanges
  • H04M2203/50—Aspects of automatic or semi-automatic exchanges related to audio conference
  • H04M2203/5063—Centrally initiated conference, i.e. Conference server dials participants
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N7/00—Television systems
  • H04N7/14—Systems for two-way working
  • H04N7/15—Conference systems
  • H04N7/152—Multipoint control units therefor
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
  • H04N7/00—Television systems
  • H04N7/14—Systems for two-way working
  • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
  • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M7/00—Interconnection arrangements between switching centres
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATIONS NETWORKS
  • H04W4/00—Mobile application services or facilities specially adapted for wireless communication networks
  • H04W4/06—Selective distribution or broadcast application services; Mobile application services to user groups; One-way selective calling services

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