CONTENTS

 1     Introduction
 2     Scope
 3     References
 4     Definitions
 5     Abbreviations
 6     Design considerations
 7     Characteristics and application of the Numbering Plan
        7.1     Number system
        7.2     Data network identification codes and data country codes
        7.3     Procedures for the allocation of Data Country Codes and assignment of Network Digits
                  7.3.1     Procedures for the allocation of Data Country Codes
                  7.3.2     Assignment of Network Digits
        7.4     Data Network Identification Codes for public mobile satellite systems
        7.5     Data Network Identification Codes for Global Public Data Networks
        7.6     International data number
        7.7     Number of digits
        7.8     Prefixes
        7.9     Escape codes for number plan interworking
       7.10     Numbering plan interworking
       7.11     Private data Network Identification Codes (PNICs)
       7.12     Number analysis – International calls between public data networks
       7.13     Directories and letterheads
Annex A - Procedures for the allocation of data country codes and assignment of  network digits
        A.1     Procedures for the allocation of Data Country Codes
        A.2     Assignment of Network Digits
Annex B-Development of data network identification codes
Annex C-Recommendations for the efficient use of DCCs to create DNICs
Annex D - Use of Private data Network Identification Codes (PNICs) for the  development of network terminal numbers for a group of public data networks  or for a group of private data networks connected to public data networks
Annex E-Guidelines for the structure of variable length PNICs
        E.1     Introduction
        E.2    Structure of the "PNIC specific" DNIC number space
        E.3     PNIC eligibility criteria
        E.4     Variable length PNIC structures
Annex F-Guidelines on Numbering of Private Data Networks: Use of PNIC structure  for private X.25 networks not attached to the PSPDN
Annex G-Eligibility criteria and procedures for the allocation of DNICs to global  public data networks
        G.1     General guidelines
        G.2     Eligibility criteria
        G.3     Procedures for the allocation of DNICs to global networks
        G.4     Reclamation of Global DNICS
Annex H-Guidelines for the numbering of global networks
Annex I -List of DNICs allocated to public mobile satellite systems and global  public data networks
Annex J-List of data country or geographical area codes
Annex K-Definitions regarding the international numbering plan for public data networks
Annex L-Notification of the assignment of Data Network Identification Codes