1
Introduction and scope
2
References
3
Definitions
4
Abbreviations
5
Conventions
6
Overview
6.1 Phase 1 – V.140 signature
transmission and acquisition
6.2 Phase 2 – Channel characterization
6.3 Phase 3 – Capability exchange and
mode selection
6.4 Using V.140 to switch among
multimedia operation modes
6.5 Interoperability with terminals that
do not support V.140
6.6
Interworking with PSDSNs
7
Network types
8
Signals
8.1 Data stream model
8.2 Phase 1 – V.140 signature block and
compatible protocol field
8.3 Phase 2 – Alignment probing
8.4 Phase 3 signals
8.5 Phase 3 HDLC framing
9
Procedures
9.1 Channel establishment
9.2 Phase 1 – Signature transmission and
acquisition
9.3 Phase 2 – Determination of network
characteristics and bit alignment
9.4 Phase 3 – Role arbitration,
capability exchange, and mode selection
9.5 Entering selected mode
10 Resuming
V.140 from a selected mode
Annex A – ASN.1 definition of Phase 3 PDU values