Table of Contents
1Scope
2References
3Conventions
4Capabilitiesand"selected"communicationmodes
5Initializationproceduresforestablishing
communicationbetweenstandardterminalsandan
MCU
5.1Firstterminaladdedtoconference
5.2Secondterminaladdedtoconference
5.3Thirdterminaladdedtoconference
5.4Fourthandsubsequentcallsaddedtoconference
5.5Extensiontomultiplechannels
5.6Otherstandardterminals
5.7MCU-MCUinterconnections
5.8Closureofconference
5.9User-initiatedconnectionestablishment
6Videoswitchingandmixing
6.1Videoswitchingprocedure
6.2Videomixing
6.3Automaticswitchingandvisualization-forcing
7Numberingofterminals
7.1Numberingmethod
7.2Terminal-MCUinterconnection
7.3MCUinterconnection
7.4Terminalidentityinformation
8Modeswitchinganddatabroadcastprocedures
8.1Generalmodeswitching
8.2Modeswitchingfordatadistributioninmultipoint
conferences
9Chair-controlprocedureusingBAScodes
9.1General
9.2Assignment,releaseandwithdrawalof
chair-controltoken
9.3Informationavailabletothechair-control
terminal
9.4Videoselection
9.5Terminaldroppingbychair-control
9.6Withdrawalofdatatokensbychair-control
9.7Requestforfloor
9.8Droppingtheentireconference
10BASsequencing
11Capabilityexchangeduringacall
12ProcedureforloopdetectionatanMCU
13Exceptionalprocedures
13.1Aterminalconnecteddoesnotindicatecapability
fortheSCM
13.2Contentionresolutionprinciple
14MCUloopbackprocedures
15InteractionswithT.120control
15.1Chair-controlinteractions
15.2Interactionswithpasswording
15.3InteractionswithTIX/TIA
15.4InteractionswithSMCmanagement
15.5Ratematchinginacascade
AppendixI-CsignalsdefinedinH.230
AppendixII-MandatoryandoptionalcodesforMCUs Abstract
Specifies the system operation for a conference call between three or more audiovisual terminals conforming to ITU-T Recommendation H.320.
