Foreword
Introduction
1 Scope
   1.1 Background
   1.2 Scope of the Document
   1.3 Conceptual Definition of the TacISDN Interface
   1.4 Military Extensions
   1.5 Relationship of TacISDN and NATO STANAGs
   1.6 Assumptions Made in Defining the TacISDN Interface
   1.7 Protocol Implementation Conformance Statement
2 Warning
3 Abbreviations
4 Definitions
   4.1 Introduction
   4.2 Master Specification
   4.3 Protocol Implementation Conformance Statement
   4.4 Security Status (Subscriber)
   4.5 Security Status of Traffic at the Interface
   4.6 Security Modes (Interface)
   4.7 Internal/Boundary Mode
   4.8 Conference/Broadcast
   4.9 Host/Connected Networks
   4.10 PTNX, PTN (ETSI)
   4.11 Gateway PTNX, Incoming Gateway PTNX and Outgoing Gateway
        PTNX (ETSI)
   4.12 Call Forward
   4.13 Call Transfer
   4.14 Hotline
   4.15 Sole User
   4.16 Hold
   4.17 Precedence and Pre-emption
5 Services Supported
   5.1 Traffic Services Supportable by the Interface
   5.2 Hot Line, Sole User
   5.3 Call Transfer
   5.4 Hold and Forward Services
   5.5 Network Configuration
6 Physical Presentation, Timing and Management
   6.1 Physical Connections
   6.2 Copper Cable Interface
   6.3 Fibre Optic Interface
   6.4 Monitor Port
   6.5 Characteristics
   6.6 Timing
   6.7 Management Systems Interconnect
7 Civil ISDN Standards Employed, Their Use, Limitations
   and Extension
   7.1 Outline
   7.2 Layer 1
   7.3 Layer 2
   7.4 Layer 3
   7.5 Supplementary Services
8 Security Signalling Extension
   8.1 General
   8.2 Security Accreditation
   8.3 Summary Table
   8.4 Changes to Security Status of a Call
   8.5 Signalling Security Status
   8.6 Proxy Facilities for SINGLE Mode SECURE Networks
9 Support of Packet Mode Services
   9.1 General
   9.2 Protocol
   9.3 Channel Initialisation (Circuit Switched Calls for
        Packet Access)
   9.4 Channel Assignment
   9.5 Number of Connections
   9.6 Unused Host Network Timeslots
10 Conference and Broadcast
   10.1 Distinction between Conference and Broadcast
   10.2 Support
   10.3 Conference/Broadcast Security Management
   10.4 Conference Methods
11 Pressel Signalling
   11.1 General
   11.2 Access when Pressel Not Available
12 Control of Transcoding
13 Call Routing
   13.1 Internal Mode Routing
   13.2 Routing at the Boundary - Signalling Leaving via a
        TacISDN Interface
14 Dynamic Channel Assignment
15 Management
Annex A - Normative References
   A.1 Reference Information
Annex B - Use of Codeset 6 Information Elements
   B.1 Information Elements
   B.2 Security Marking
   B.3 Pressel
   B.4 Subscriber Enquiry
   B.5 Subscriber Enquiry Acknowledgement
   B.6 Autonomous Update
   B.7 Bearer Capability Characteristics
   B.8 Random Conference Number
   B.9 Random Conference Number Acknowledgement Information
        Element
   B.10 Additional Timers
   B.11 Facility Message Contents
Annex C - Coding Examples
   C.1 Outline
   C.2 Random Conference SDL Diagram
   C.3 Example Message Sequences
   C.4 Example Message Contents
   C.5 Example Codeset 6 Information Element Contents
   C.6 Example Codeset 0 Information Element Contents
Annex D - Default Values for Codeset 0 Entries
   D.1 Default Codeset 0 Values
Annex E - Packet Mode Support Specification
   E.1 Packet Services
Annex F - Internal Mode ISDN PICS and ICS Pro-formas
   F.1 General
   F.2 Copyright Notice for PICs and ICS Pro-formas
   F.3 Guidance for Completing the PICS and ICS Pro-formas
Annex G - PICS Pro-forma for TacISDN
   G.1 PICS Pro-forma for TacISDN
   G.2 Basic Modes Supported
   G.3 Internal Mode PICS
   G.4 Boundary Mode PICS
Annex H - Internal Mode ISDN PICS and ICS for PTARMIGAN
          Interface
Annex I - TacISDN PICS for PTARMIGAN Interface
Annex J - ISDN Cause Code Mapping To/From PTARMIGAN Signalling
   J.1 ISDN Cause Code Mapping To/From PTARMIGAN Signalling