CCITT Recommendation X.121: Data Communication Networks: Network Aspects : International Numbering Plan for Public Data Networks

Front Cover
International Telecommunication Union, 1992 - 17 pages

Bibliographic information

TitleCCITT Recommendation X.121: Data Communication Networks: Network Aspects : International Numbering Plan for Public Data Networks
AuthorInternational Telegraph and Telephone Consultative Committee
PublisherInternational Telecommunication Union, 1992
Length17 pages
  
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