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ITU Publications : Service Publications

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Publications

Operational Bulletin (1998 editions)

Operational Bulletin No.682 (15.XII.1998)

Operational Bulletin No. 681 (1.XII.1998)

Operational Bulletin No. 680 (15.XI.1998)

Operational Bulletin No. 679 (1.XI.1998) and Annexed List: List of Dialling Procedures

Operational Bulletin No. 678 (15.X.1998)

Operational Bulletin No. 677 (1.X.1998) and Annexed List: List of Issuer Identifier Numbers for the international telecommunication charge card (In accordance with ITU-T Recommendation E.118) (Position on 1 October 1998)

Operational Bulletin No. 676 (15.IX.1998)

Operational Bulletin No. 675 (1.IX.1998)

Operational Bulletin No. 674 (15.VIII.1998) and Annexed List: Status of Radiocommunications between Amateur Stations of different countries (In accordance with optional provision No. 2731 of the Radio Regulations) (Position on 15 August 1998)

Operational Bulletin No. 673 (1.VII.1998)

Operational Bulletin No. 672 (15.VII.1998)

Operational Bulletin No. 671 (1.VII.1998)

Operational Bulletin No. 670 (15.VI.1998)

Operational Bulletin No. 669 (1.VI.1998) and Annexed List: Five-letter Code Groups for the use of the International Public Telegram Service (According to ITU-T Recommendation F.1 (03/98))

Operational Bulletin No. 668 (15.V.1998)

Operational Bulletin No. 667 (1.V.1998) and Annexed List: List of international signalling point codes (ISPC) (According to ITU-T Recommendation Q.708) (Position on 1 May 1998)

Operational Bulletin No. 666 (15.IV.1998)

Operational Bulletin No. 665 (1.IV.1998) and Annexed List: Various tones used in national networks (Supplement 2 to ITU-T Recommendation E.180) (Position on 1 April 1998)

Operational Bulletin No. 664 (15.III.1998)

Operational Bulletin No. 663 (1.III.1998) and Annexed List: List of Names of Administration Management Domains (ADMD) (In accordance with ITU-T F.400 and X.400 Series Recommendations) (Position on 28 February 1998)

Operational Bulletin No. 662 (15.II.1998)

Operational Bulletin No. 661 (1.II.1998)

Operational Bulletin No. 660 (15.I.1998) and Annexed List: List of data network identification codes (DNIC)(According to ITU-T Recommendation X.121)(Position on 15 January 1998)

Operational Bulletin No. 659 (1.I.1998) and Annexed List: List of Data Country or Geographical Area Codes (Complement to ITU-T Recommendation X.121) (Position on 31 December 1997)

Other editions: 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1997 1996 1995 1994

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