Technical Committee on Open Systems
Preface
Foreword
Introduction
1 Scope
2 Normative References
3 Definitions
   3.1 Global OSI Definitions
   3.2 Association Control Service Element Definitions
   3.3 Presentation Layer Service Element Definitions
   3.4 Virtual Terminal Service Definitions
   3.5 Virtual Terminal Protocol Definitions
4 Abbreviations
   4.1 Virtual Terminal Service Abbreviations
   4.2 Miscellaneous
   4.3 VT Protocol Elements
5 Overview
   5.1 Virtual Terminal Service Summary
   5.2 Model
   5.3 Service Assumed From the Presentation Layer
   5.4 Service Assumed From ACSE
   5.5 Functions of the VT Protocol
   5.6 Protocol Functional Units
   5.7 Modes of Operation
   5.8 Access Control
6 Protocol Elements
   6.1 APQ (YT-P-ABORT)
   6.2 ASQ (VT-ASSOCIATRE-REQ)
   6.3 ASR (VT-ASSOCIATE-RESP)
   6.4 AUQ (VT-U-ABORT)
   6.5 BKQ (VT-BREAK-REQ)
   6.6 BKR (VT-BREAK-RESP)
   6.7 DAQ (VT-ACK-RECEIPT)
   6.8 DLQ (VT-DELIVER)
   6.9 ENQ (VT-END-NEG-REQ)
   6.10 ENR (VT-END-NEG-RESP)
   6.11 GTQ (VT-GIVE-TOKEN)
   6.12 HDQ (VT-HIGH-PRI-DATA)
   6.13 NAQ (VT-NEG-ACCEPT)
   6.14 NDQ (VT-DATA)
   6.15 NIQ (VT-NEG-INVITE)
   6.16 NJQ (VT-NEG-REJECT)
   6.17 NOQ (VT-NEG-OFFER)
   6.18 RLQ (VT-RELEASE-REQ)
   6.19 RLR (VT-RELEASE-RESP)
   6.20 RTQ (VT-REQUEST-TOKEN)
   6.21 SNQ (VT-START-NEG-REQ)
   6.22 SNR (VT-START-NEG-RESP)
   6.23 SPQ (VT-SWITCH-PROFILE-REQ)
   6.24 SPR (VT-SWITCH-PROFILE-RESP)
   6.25 UDQ (VT-URGENT-DATA)
7 Procedures
8 Primary Procedures
   8.1 Association Establishment
   8.2 Agreed Release
   8.3 Unconditional Termination
   8.4 Negotiation
   8.5 Data Transfer
   8.6 Delivery Control
   8.7 Token Management
   8.8 Break
9 Switch Profile Procedures
   9.1 Association Establishment
   9.2 Agreed Release
   9.3 Unconditional Termination
   9.4 Negotiation
   9.5 Data Transfer
   9.6 Delivery Control
   9.7 Token Management
   9.8 Break
10 Multiple Interaction Negotiation Procedures
   10.1 Association Establishment
   10.2 Agreed Release
   10.3 Unconditional Termination
   10.4 Negotiation
   10.5 Data Transfer
   10.6 Delivery Control
   10.7 Token Management
   10.8 Break
11 Mapping of Protocol Elements
   11.1 Mapping to Association Control Services
   11.2 Use of Presentation Services
12 Protocol Data Unit Structure
   12.1 General Format
   12.2 General Definitions
   12.3 Conceptual Data Store Definitions
   12.4 Control, Signal and Status Definitions
   12.5 Device Object Definitions
13 Conformance
   13.1 Dynamic Conformance Requirements
   13.2 Static Conformance Requirements
   13.3 Protocol Implementation Conformance Statement
        (PICS)
Annexes
A - State Tables
B - Defined OBJECT IDENTIFIER Names