X1.ASC        Recommendation X.1 
X10.ASC       Recommendation X.10 
X208.ASC      X.208  Specification of Abstract Syntax Notation One (ASN.1) 
X209.ASC      X.209  Specification of Basic Encoding Rules for Abstract Syntax 
X20BIS.ASC    X.20 bis USE ON PUBLIC DATA NETWORKS OF DTE 
X21.ASC       X.21 INTERFACE BETWEEN DTE AND DCE 
X211.ASC      X.211  Physical Service Definition for Open Systems Interconnect 
X212.ASC      X.212  Data Link Service Definition for Open Systems Interconnect 
X216.ASC      X.216  Presentation Service Definition for Open Systems Interconn 
X217.ASC      X.217  Association Control Service Definition for Open Systems 
X21BIS.ASC    USE ON PUBLIC DATA NETWORKS OF DATA TERMINAL EQUIPMENT (DTE) 
X22.ASC       X.22 MULTIPLEX DTE/DCE INTERFACE FOR USER CLASSES 3-6 
X220.ASC      USE OF X.200 SERIES PROTOCOLS 
X223_A4.ASC   APPENDIX IV 
X224_A2.ASC   APPENDIX II to Recommendation X.224 
X226_A1.ASC   Appendix 1 to Recommendation X.226 
X227_1.ASC    ASSOCIATION CONTROL PROTOCOL SPECIFICATION 
X24.ASC       LIST OF DEFINITIONS FOR INTERCHANGE CIRCUITS 
X25_2.ASC     2.4.8.3   Timer T3 
X25_4.ASC     5.2.4  Clear request and clear indication packets 
X25_I.ASC     APPENDIX I to Recommendation X.25 
X29.ASC       PROCEDURES FOR THE EXCHANGE OF CONTROL INFORMATION 
X290_1.ASC    OSI CONFORMANCE TESTING METHODOLOGY AND FRAMEWORK 
X290_2.ASC    Test methods 
X290_3.ASC    PART 2: ABSTRACT TEST SUITE SPECIFICATION 
X290_A1.ASC   ANNEX A to Recommendation X.290, Part 1 
X301_3.ASC    7.6.4.3  Data transfer phase 
X311.ASC      SUPPORT OF PACKET MODE TERMINAL EQUIPMENT BY AN ISDN 
X32.ASC       INTERFACE BETWEEN DATA TERMINAL EQUIPMENT (DTE) 
X32_2.ASC     Link access procedure across the DTE/DCE interface 
X32_A.ASC     ANNEX A to Recommendation X.32 
X350.ASC      GENERAL INTERWORKING REQUIREMENTS TO BE MET FOR DATA TRANSMISSION 
X352.ASC      INTERWORKING BETWEEN PACKET SWITCHED PUBLIC DATA NETWORKS 
X4.ASC        GENERAL STRUCTURE OF SIGNALS OF INTERNATIONAL ALPHABET No. 5 CODE 
X400_1.ASC    MESSAGE HANDLING SYSTEM AND SERVICE OVERVIEW 
X400_A1.ASC   ANNEX A to Recommendation X.400 Glossary of terms 
X402_1.ASC    Recommendation X.402 - Message handling systems 
X402_2.ASC    Section Two - Abstract Models 
X402_3.ASC    Section Three - Configurations 
X402_4.ASC    Section Four - Naming, Addressing, and Routing 
X402_5.ASC    Section Five - Use of the Directory 
X402_6.ASC    Section Six - OSI Realization 
X403_1.ASC    MESSAGE HANDLING SYSTEMS - CONFORMANCE TESTING 
X403_2.ASC    Annex A  Test Notation 
X403_3.ASC    Annex C  MTS(P1) PICS Proformas 
X403_A.ASC    Annex A  Test Notation 
X403_C.ASC    Annex C  MTS(P1) PICS Proformas 
X407.ASC      MESSAGE HANDLING SYSTEMS ABSTRACT SERVICE 
X411.ASC      AP IX-56-E 
X420.ASC      MESSAGE HANDLING SYSTEMS: INTERPERSONAL MESSAGING SYSTEM1 
X435_1.ASC    THE INTERNATIONAL TELEGRAPH AND TELEPHONE CONSULTATIVE COMMITTEE 
X435_2.ASC    Information Objects 
X435_3.ASC    TABLE I.1 
X435_4.ASC    TABLE K.2 
X435_5.ASC    x435_5.asc
X435_IND.ASC  x435_ind.asc
X500.ASC      THE DIRECTORY - OVERVIEW OF CONCEPTS, MODELS AND SERVICES 
X500_1.ASC    THE DIRECTORY - OVERVIEW OF CONCEPTS, MODELS AND SERVICES 
X500_2.ASC    Recommendations X.500 to X.521 
X501_1.ASC    THE DIRECTORY-MODELS 1 
X501_2.ASC    x501_2.asc
X509_1.ASC    THE DIRECTORY - AUTHENTICATION FRAMEWORK 1 
X509_2.ASC    ANNEX A  Security requirements 
X511.ASC      THE DIRECTORY - ABSTRACT SERVICE DEFINITION 1 
X511_1.ASC    THE DIRECTORY - ABSTRACT SERVICE DEFINITION   1 
X511_2.ASC    x511_2.asc
X511_A.ASC    Abstract service in ASN.1 
X518_1.ASC    THE DIRECTORY - PROCEDURES FOR DISTRIBUTED OPERATION 1 
X518_2.ASC    x518_2.asc
X518_3.ASC    Find naming context procedure 
X519.ASC      THE DIRECTORY - PROTOCOL SPECIFICATIONS 1 
X520.ASC      THE DIRECTORY - SELECTED ATTRIBUTE TYPES   1 
X521.ASC      THE DIRECTORY - SELECTED OBJECT CLASSES 1 
X612.ASC      FOREWORD 
X710.ASC      INTERNATIONAL  TELECOMMUNICATION  UNION 
X711.ASC      INTERNATIONAL  TELECOMMUNICATION  UNION 
X800.ASC      INTERNATIONAL  TELECOMMUNICATION  UNION