CEPT - ISDN USER HANDBOOK E
European Conference of Postal and Telecommunications Administrations
active, Most Current
| Organization: | CEPT |
| Publication Date: | 1 January 1992 |
| Status: | active |
| Page Count: | 85 |
Document History
ISDN USER HANDBOOK E
January 1, 1992
European Conference of Postal and Telecommunications Administrations
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