1 Scope
2
Normative references
3
Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4
Overview
4.1 Direct selection of Videotex Applications
4.2 Multicommunication
4.3 Multimedia communication
4.4 Distributed Videotex Application
4.5 Supplementary services
4.6 Handling of incoming calls
5
Configurations
6
General model
6.1 Communication model
6.2 Terminal model
6.3 Protocol pillar
7
Service definition
7.1 Introduction
7.2 Kernel services
7.2.1 SBV_Establish
7.2.2 SBV_Release
7.2.3 SBV_Reset
7.2.4 SBV_VTX_Data
7.2.5 X.3 parameter manipulation services
7.2.5.1 SBV_Set_Param
7.2.5.2 SBV_Read_Param
7.2.5.3
SBV_Set_Read_Param
7.2.5.4 SBV_Param_Ind
7.2.6 SBV_TFI
7.2.7 SBV_TC_Error
7.3 Optional services
7.3.1 Communication channel management services
7.3.1.1 SBV_Channel_Open
7.3.1.2 SBV_Channel_Close
7.3.1.3 SBV_Channel_Error
7.3.2 Application selection services
7.3.2.1 SBV_Begin_Application
7.3.2.2 SBV_End_Application
7.3.2.3 SBV_End_Immediate
7.3.3 Transparent processable data services
7.3.3.1 SBV_TPD_Begin
7.3.3.2 SBV_TPD_End
7.3.4 SBV_DFK
7.3.5 SBV_Remote_Echo
7.3.6 SBV_Escape
8
Protocol
8.1 Association of SBV Application Layer and BIS primitives
8.2 Procedures
8.2.1 SBV_Establish
8.2.2 SBV_Release
8.2.3 SBV_Reset
8.2.4 SBV_VTX_Data
8.2.5 X.3
parameter manipulation services
8.2.5.1 SBV_Set_Param
8.2.5.2 SBV_Read_Param
8.2.5.3 SBV_Set_Read_Param
8.2.5.4 SBV_Param_Ind
8.2.6 SBV_TFI
8.2.7 SBV_TC_Error
8.2.8 Communication channel management services
8.2.8.1 SBV_Channel_Open
8.2.8.2
SBV_Channel_Close
8.2.8.3 SBV_Channel_Error
8.2.9 Application selection services
8.2.9.1 SBV_Begin_Application
8.2.9.2 SBV_End_Application
8.2.9.3 SBV_End_Immediate
8.2.10 Transparent processable data services
8.2.10.1 SBV_TPD_Begin
8.2.10.2 SBV_TPD_End
8.2.11 SBV_DFK
8.2.12 SBV_Remote_Echo
8.2.13 SBV_Escape
8.3 Mapping of parameters
8.3.1 SBV_Establish
8.3.2 SBV_Release
8.3.3 SBV_Reset
8.3.4 SBV_VTX_Data
8.3.5 X.3 parameter manipulation services
8.3.5.1 SBV_Set_Param
8.3.5.2 SBV_Read_Param
8.3.5.3 SBV_Set_Read_Param
8.3.5.4 SBV_Param_Ind
8.3.6 SBV_TFI
8.3.7 SBV_TC_Error
8.3.8 Communication channel management services
8.3.8.1 SBV_Channel_Open
8.3.8.2 SBV_Channel_Close
8.3.8.3 SBV_Channel_Error
8.3.9 Application selection services
8.3.9.1 SBV_Begin_Application
8.3.9.2 SBV_End_Application
8.3.9.3 SBV_End_Immediate
8.3.10 Transparent processable data services
8.3.10.1 SBV_TPD_Begin
8.3.10.2 SBV_TPD_End
8.3.11 SBV_DFK
8.3.12 SBV_Remote_Echo
8.3.13 SBV_Escape
9
Coding
9.1 Coding of the Telematic Command PDUs
9.2 Coding structures
9.2.1 Basic coding structure
9.2.2 Extended coding structure
9.2.3 Coding of data types
9.2.3.1 Integers
9.2.3.2 Strings
9.2.3.3 Voids
9.2.3.4 Octet sequences
9.3 Coding of parameters
9.3.1 Coding of user data fields using the
coding structures
9.3.2 Coding of user data fields as defined in
other documents
9.3.3 Service specific coding
9.3.3.1 Coding of the Error_Code
parameter
9.3.3.2 Coding of the
DDU_Fall-Back_Mode parameter
9.3.3.3 Coding of the
Function_Keys parameter
10 Use of CCITT Recommendation X.3
parameters
10.1 Selectable functions provided by Syntax-based Videotex
Terminals
10.2 List of X.3 parameters
11 Bearer Independent Service (BIS)
for Syntax-based Videotex
11.1 Introduction
11.2 Scope and field of application
11.3 General operation of the BIS
11.3.1 Out-Band Procedures for
Environment-dependent operation
11.3.2 Translation of primitives and
parameters of In-Band Procedures
11.4 Service primitives and parameters
11.4.1 NC establishment primitives and
parameters
11.4.1.1 Association of
primitives and parameters
11.4.1.2 Parameter
definitions
11.4.2 NC release primitives and parameters
11.4.2.1 Association of
primitives and parameters
11.4.2.2 Parameter
definitions
11.4.3 Unqualified data transfer primitives and
parameters
11.4.3.1 Association of
primitives and parameters
11.4.3.2 Parameter
definitions
11.4.4 Qualified data transfer primitives and
parameters
11.4.4.1 Association of primitives and parameters
11.4.4.2 Parameter
definitions
11.4.5 Interrupt data transfer primitives and
parameters
11.4.5.1 Association of
primitives and parameters
11.4.5.2 Parameter
definitions
11.4.6 Reset primitives and parameters
11.4.6.1 Association of
primitives and parameters
11.4.6.2
Parameter definitions
11.4.7 Relation of primitives at the two NC
endpoints
11.4.8 Sequence of primitives at one NC endpoint
11.5 Elements of the X.25/PLP used to support the BIS
11.5.1 Types of virtual circuits
11.5.2 Packets and fields of the X.25/PLP used
to support the BIS
11.5.3 Facilities of the X.25/PLP used to
support the BIS
11.6 Network connection establishment phase
11.6.1 Primitive/parameter and packet/field
relationships
11.6.2 Procedures
11.6.2.1 General
Function
11.6.2.2 Primitive/packet
mapping
11.6.2.3 Addresses
11.6.2.4 User data
11.7 Network connection release phase
11.7.1 Primitive/parameter and packet/field
relationships
11.7.2 Procedures
11.7.2.1 General
Function
11.7.2.2 Primitive/packet
mapping
11.7.2.3 Originator and
Reason
11.7.2.4
Addresses
11.7.2.5 User data
11.8 Data transfer phase – (Unqualified) data transfer
service
11.8.1 Primitive/parameter and packet/field
relationships
11.8.2
Procedures
11.8.2.1 Primitive/packet
mapping
11.8.2.2 User data
11.9 Data transfer phase – Qualified data transfer service (Q-bit =
1)
11.9.1 Primitive/parameter and packet/field
relationships
11.9.2 Procedures
11.9.2.1 Primitive/packet
mapping
11.9.2.2 User data
11.10 Data transfer phase – Reset service
11.10.1 Primitive/parameter and packet/field
relationships
11.10.2 Procedures
11.10.2.1 General
Function
11.10.2.2 Primitive/packet
mapping
11.10.2.3 Originator and
Reason
11.11 Data Transfer-Phase – Interrupt transfer service
11.11.1 Primitive/parameter and packet/field
relationships
11.11.2 Procedures
11.11.2.1 Primitive/packet
mapping
11.11.2.2 User data
Annex A – Examples of configurations
A.1 Symbols
A.2 Access to PSTN/PSPDN systems using a terminal adaptor
A.2.1 Analogue terminal adaptors
A.2.2 Rate adapting terminal adaptors
A.3 Connection to a VS via ISDN
A.4 Access to a VS via an ISDN/PSPDN
A.5 Access to a VS via an IVAP
A.5.1 Service selection after a dialogue with
the IVAP
A.5.2 Service selection using a VS
identification
A.5.2.1 VS identified by a
network address
A.5.2.2 VS identified by a name
A.5.3 Service selection using ISDN
supplementary services
A.5.4 Distributed Videotex Application
A.5.4.1 Usage of a single VC
between IVT and IVAP
A.5.4.2 Establishment of the
second VC by the IVT
A.5.4.3 Establishment of the
second VC by the IVAP
A.6 Host to terminal call establishment
A.7 Terminal to terminal communication
Annex B – Usage of supplementary
services
B.1 User-to-User Signalling (UUS)
B.2 Supplementary services for addressing
B.2.1 Multiple Subscriber Number (MSN)
B.2.2 Direct-Dialling-In (DDI)
B.2.3 Subaddressing (SUB)
B.2.4 Call Deflection (CD)
B.3 Supplementary services for identification
B.3.1 Calling Line Identification Presentation
(CLIP)
B.3.2 Calling Line Identification Restriction
(CLIR)
Annex C – Terminal Function basic state
C.1 X.3 parameter default values
C.2 SBV_DFK default list
C.3 SBV_TPD default state
C.4 SBV_Escape default
state
Annex D – The SBV_Escape service
D.1 Service description
D.1.1 Bulk Update
D.2 Procedures
D.2.1 Bulk Update
D.3 Coding
Annex E – Extended data forwarding signals
Annex F – BIS constraints on
ISO 8208 PICS
F.1 Introduction
F.2 Tables structure
F.3 Constraints Tables
F.3.1 Virtual circuit types
F.3.2 Call setup
F.3.3 Call clearing
F.3.4 Resetting of logical channels
F.3.5 Normal data transfer and flow
control