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Year in Review 2025

Implementers' Guides

  • Latest Version
    • [X.ImpOSI] : OSI Implementers’ Guide (Version 1.1, December 2006)
    • [e-X.Imp 500] : Directory Implementers' Guide (on-line)
  • Retained (Archived) Earlier Versions
    • [X.Imp160] : Customer Network Management Implementors' Guide - Defects and Resolutions (for 1996/1997 CNM Recommendations) (Version 2.1, June 1999)
    • [X.Imp160] : Customer Network Management Implementors' Guide - Defects and Resolutions (for 1994/1995 CNM Recommendations) (Version 1.2, December 1997)
    • [X.Imp400] : MHS Implementors' Guide (Version 14, March 2000)
    • [X.Imp400] : MHS Implementors' Guide (Version 13, July 1995)
    • [X.Imp400] : MHS Implementors' Guide (Version 8, March 1992)
    • [X.Imp400] : Message Handling Systems and Directory Services Conformance Testing Implementors' Guide (Extract from 1993-1996 Study Period Report COM 7-R 20, Annex 5, Appendix 1) (Version 2.0, February 1994)
    • [X.Imp500] : Directory Implementors' Guide (Version 15, September 2001)
    • [X.Imp500] : Directory Implementors' Guide (Version 14, March 2001)  
    • [X.Imp500] : Directory Implementors' Guide (Version 9, 26 April 1996)
    • [X.Imp500] : Message Handling Systems and Directory Services Conformance Testing Implementors' Guide (Extract from 1993-1996 Study Period Report COM 7-R20, Annex 5, Appendix 1) (Version 2.0, February 1994)
    • [X.Imp700] : X.700-Series - OSI Systems Management Implementors' Guide (Version 8.0, October 2000)
  • Latest Version
    • [Z.Imp100] : Specification and Description Language implementer's guide - Version 2.0.1
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