1
Scope
1.1
Block
diagram and functional elements
1.2
System
elements outside the scope of this Recommendation
1.3
Functional
elements covered by this Recommendation
2
References
2.1
Normative references
2.2 Informative references
3
Definitions
4
Abbreviations
5
Conventions
6
Functional
requirements
6.1
Required
elements
6.2
Information
streams
6.3
Modem
6.4
Multiplex
6.5
Control
channel
6.6
Video
channels
6.7
Audio
channels
6.8
Data
channels
7
Terminal
procedures
7.1
Phase
A – Call set-up of voiceband channel
7.2
Phase B – Initial
analogue telephony communication
7.3
Phase
C – Establishment of digital communication, modem training
7.4
Phase
D – Initialization
7.5
Phase
E – Communication
7.6
Phase
F – End of session
7.7
Phase
G – Supplementary services and call clearing
8
Interoperation
with other terminals
8.1
Speech
only terminals
8.2
H.320
multimedia telephone terminals over the ISDN
8.3
Multimedia
telephone terminals over mobile radio
9
Optional
enhancements
9.1
Data
facilities
9.2
Encryption
9.3
Multilink
10 Multipoint considerations
10.1
Establishment
of common mode
10.2
Multipoint
rate matching
10.3
Multipoint
lip synchronization
10.4
Multipoint
encryption
10.5
Cascaded
MCU operation
11 Maintenance
11.1
Loopbacks
for maintenance purposes
Annex A –
Protocol stack for control channel
A.1 General
A.2 SRP mode
A.3 LAPM/V.42 mode
A.4
WNSRP
control frame signalling on the control channel
Annex B –
HDLC frame structure transparency for asynchronous transmission
Annex C –
Multimedia telephone terminals over error prone channels
C.1
Abstract
C.2
General
C.3
Changes
to procedures
C.4
Interworking
C.5
Terminal
procedures
C.6
Initialization
of multiplex level at the start of a session
C.7
Dynamic
change of level or option during session
C.8
Control
channel definition for mobile terminals
Annex D –
Operation on ISDN circuits (H.324/I)
D.1 Scope
D.2
References
D.3
Definitions
D.4
Functional
requirements
D.5
Terminal
procedures
Annex E –
Timer T401 initialization for operation over geostationary-satellite
channels
E.1
Introduction
E.2
Determination
of timer value
E.3
Timer
tuning procedure
Annex F –
Multilink operation
F.1
Scope
F.2
References
F.3
Functional
requirements
F.4
Overview
F.5
Procedures
F.6
Maximum
Transmit Skew
F.7
Sequence
diagram for establishment of multilink operation
Annex G –
Usage of ISO/IEC 14496-1 generic capabilities in H.324 terminals
G.1
Scope
G.2
References
G.3
General
G.4
Choice
of error protection for ISO/IEC 14496 data streams
G.5
Framing
of ISO/IEC 14496-1 data streams
Annex H –
Mobile multilink operation
H.1
Scope
H.2
Definitions
and format conventions
H.3
Functional
requirements
H.4
Overview
H.5
Mobile
multilink layer specification
H.6
Procedures
H.7
Header
modes
Annex I –
Usage of HTTP Generic Capability in H.324 terminals
I.1
General
I.2
Logical channel for HTTP
I.3
HTTP Generic Capability
I.4
References
Annex J –
ASN.1 OIDs defined in this Recommendation
J.1
Summary of OIDs defined
in this Recommendation
J.2
Session reset capability
identifier
Appendix I
– Bit and octet order
Appendix II – V.8 bis
codepoints