ITU-T - X.121
International Numbering Plan for Public Data Networks
inactive
| Organization: | ITU-T |
| Publication Date: | 1 January 1992 |
| Status: | inactive |
| Page Count: | 19 |
Document History
October 1, 2000
International Numbering Plan for Public Data Networks Series X: Data Networks and Open System Communications Public Data Networks - Network Aspects
A description is not available for this item.
October 1, 1996
International Numbering Plan for Public Data Networks - Series X: Data Networks and Open System Communication Public Data Networks - Network Aspects
A description is not available for this item.
X.121
January 1, 1992
International Numbering Plan for Public Data Networks
A description is not available for this item.
January 1, 1989
International Numbering Plan for Public Data Networks - Data Communication Networks - Transmission, Signalling and Switching, Network Aspects, Maintenance and Administrative Arrangements (Study Group VII) 16 pp
A description is not available for this item.