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
and acronyms
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
ITU-T 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/ITU-T 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
Page
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
ITU-T 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 ITU-T 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
Annex K � Media oriented negotiation acceleration
procedure
K.1
Abstract
K.2
General
K.3
References
K.4
Definitions and format conventions
K.5
Terminal
procedures
K.6
MONA signalling
K.7
Channel establishment method
negotiation
K.8
Channel establishment via the signalling preconfigured
channel (SPC)
K.9
Preconfigured channel
establishment
K.10
Accelerated ITU-T H.245
procedures
Annex L � Text conversation in ITU-T H.324
L.1
Introduction
L.2
Scope
L.3
Definitions
L.4
Procedures for ITU-T T.140 text
conversation
L.5
Framing and buffering of ITU-T T.140
data
L.6
Presentation
considerations
Annex M � ITU-T H.245 messages used by ITU-T H.324
endpoints
Appendix I � Bit and octet order
Appendix II � ITU-T V.8 bis
codepoints