ITU-T E.172
ISDN Routing Plan - Telephone Network and ISDN; Operation, Numbering, Routing and Mobile Service (Study Group II) 21 pp
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| Organization: | ITU-T |
| Publication Date: | 1 January 1992 |
| Status: | active |
| Page Count: | 21 |
Document History
ITU-T E.172
January 1, 1992
ISDN Routing Plan - Telephone Network and ISDN; Operation, Numbering, Routing and Mobile Service (Study Group II) 21 pp
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