1
Scope
2 Definitions
3 System description
3.1 Block diagram and identification
of elements
3.2 Signals
3.3 Bit rate options and
infrastructure
3.4 Call control arrangements
3.5 Optional
enhancements
4
Terminal requirements
4.1 Environments
4.2 Audio and video arrangements
4.3 Delay compensation in the audio
path
4.4 Control and Indications (C&I)
4.5 Multipoint operation
5 Intercommunications
5.1 Intercommunication between
different visual telephone terminal types
5.2 Intercommunication with telephony
5.3 Intercommunication with other
audiovisual terminals
6 Maintenance
7 Human factor aspects
7.1 Physical section
7.2 Logical section
Annex A – Optional
enhanced video algorithms for H.320 systems
A.1 Introduction to enhanced video
algorithms
A.2 Use of ITU-T Rec. H.262 in H.320
systems
A.3 Use of ITU-T Rec. H.263 in H.320
systems
A.4 Enhanced video algorithm hierarchy
A.5 Use of ITU-T Rec. H.264 in H.320
systems