Foreword
Introduction
1 Scope
1.1 Block diagram and functional elements
1.2 System elements outside the scope of this I-ETS
1.3 Functional elements covered by this I-ETS
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
3.3 Conventions
4 Functional
4.1 Required elements
4.2 Information streams
4.3 Modems
4.4 Multiplexing
4.5 Control channel
4.6 Video channels
4.7 Audio channels
4.8 Data channels
5 Terminal procedures
5.1 Phase A - call set-up of voiceband channel
5.2 Phase B - initial analogue telephony communication
5.3 Phase C - establishment of digital communication,
modem training
5.4 Phase D - initialization
5.5 Phase E - communication
5.6 Phase F - end of session
5.7 Phase G - change of communication mode and call
clearing
6 Interoperation with other terminals
6.1 Speech only terminals
6.2 ETS 300 145 multimedia telephone terminals
attached to the ISDN
6.3 Multimedia telephone terminals over mobile radio
7 Optional enhancements
7.1 Data facilities
7.2 Encryption
7.3 Multilink
8 Multipoint considerations
8.1 Establishment of common mode
8.2 Multipoint rate matching
8.3 Multipoint lip synchronization
8.4 Multipoint encryption
8.5 Cascaded MCU operation
9 Maintenance
9.1 Loopbacks for maintenance purposes
Annex A (normative): Protocol stack for control channel
A.1 General
A.2 SRP mode
A.3 LAPM/ITU-T Recommendation V.42 mode
Annex B (normative): HDLC frame structure transparency
for asynchronous transmission
Annex C (informative): Bit and octet order
Annex D (informative): ITU-T Recommendation V.8bis codepoints
Annex E (informative): Bibliography
History