ETS 300 481 : 20001
Current
The latest, up-to-date edition.
TERMINAL EQUIPMENT (TE) - INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - B-CHANNEL AGGREGATION UNIT (CAU)
Hardcopy , PDF
English
Foreword
1 Scope
2 Normative references
3 Definitions
4 Symbols and abbreviations
4.1 Symbols
4.2 Abbreviations
5 General
5.1 Application of this ETS
5.2 Definition of the modes of transmission on
the Multiple Channel (MC) side
5.3 General description of the aggregation process
5.4 CAU functionality
6 Choice of ISO Aggregation or H.244 Aggregation
procedure
7 H.244 Aggregation procedure
7.1 Call control
7.2 Channel synchronisation
7.3 In-band procedure using ITU-T Recommendation
H.221 BAS codes
7.4 Transmission of user information by a CAU
8 Initialisation, mode/rate changing and fault
recovery
8.1 Initialisation
8.2 Change of transmission rate during a session
8.3 Recovery from fault conditions
8.4 Further mode changes
9 ISO Aggregation procedure
Annex A (informative): Examples
Annex B (informative): Example of SDL diagram for
H.244 Aggregation initialisation
Annex C (informative): Comments on the modification
of cap sets and commands
Annex D (informative): Bibliography
History
Specifies protocols for the synchronisation and aggregation of multiple ISDN channels at 64 kbit/s, these channels being with a differential delay in the range of +/- one second and with or without octet integrity structure.
| Committee |
TE 4
|
| DocumentType |
Standard
|
| Pages |
33
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| PN ETS 300 481 : 2005 | Identical |
| ISO/IEC 13871:1995 | Information technology Telecommunications and information exchange between systems Private telecommunications networks Digital channel aggregation |
| ETS 300 145 : 20002 | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - AUDIOVISUAL SERVICES - VIDEOTELEPHONE SYSTEMS AND TERMINAL EQUIPMENT OPERATING ON ONE OR TWO 64 KBIT/S CHANNELS |
| ETS 300 143 : 20001 | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - AUDIOVISUAL SERVICES - INBAND SIGNALLING PROCEDURES FOR AUDIOVISUAL TERMINALS USING DIGITAL CHANNELS UP TO 2 048 KBIT/S |
| ETS 300 144 : 20002 | INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - AUDIOVISUAL SERVICES - FRAME STRUCTURE FOR A 64 KBIT/S TO 1 920 KBIT/S CHANNEL AND ASSOCIATED SYNTAX FOR INBAND SIGNALLING |
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