CEPT - T/SF 4 E
Services and Facilities Which Might Be Offered to Subscribers by Modern Telephone Systems
active, Most Current
| Organization: | CEPT |
| Publication Date: | 1 January 1991 |
| Status: | active |
| Page Count: | 2 |
Document History
T/SF 4 E
January 1, 1991
Services and Facilities Which Might Be Offered to Subscribers by Modern Telephone Systems
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