ITU-T - M.1220
Network Maintenance Information - Maintenance of International Telegraph, Phototelegraph and Leased Circuits - Maintenance of the International Public Telephone Network - Maintenance of Maritime Satellite and Data Transmission Systems (Study Group IV) 4 pp
inactive, Most Current
| Organization: | ITU-T |
| Publication Date: | 1 January 1989 |
| Status: | inactive |
| Page Count: | 4 |
Document History
M.1220
January 1, 1989
Network Maintenance Information - Maintenance of International Telegraph, Phototelegraph and Leased Circuits - Maintenance of the International Public Telephone Network - Maintenance of Maritime Satellite and Data Transmission Systems (Study Group IV) 4 pp
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