AFNOR - FD Z81-014
Public switched telephone network. Transmission characteristics for private telephone switching systems.
active, Most Current
| Organization: | AFNOR |
| Publication Date: | 1 June 1996 |
| Status: | active |
| Page Count: | 56 |
| ICS Code (Switching and signalling systems): | 33.040.30 |
| ICS Code (Telephone networks): | 33.040.35 |
Document History
FD Z81-014
June 1, 1996
Public switched telephone network. Transmission characteristics for private telephone switching systems.
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