ITU-T I.255.5
Outgoing Call Barring (Study Group I) 9 pp
active, Most Current
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| Organization: | ITU-T |
| Publication Date: | 1 January 1992 |
| Status: | active |
| Page Count: | 9 |
Document History
ITU-T I.255.5
January 1, 1992
Outgoing Call Barring (Study Group I) 9 pp
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