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ITU-T R.40
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ITU-T R.40
Coexistence in the same cable of telephony and super-telephony telegraphyMore info
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.020 : Telecommunications in general
|
| Number of pages | 1 |
| Year | 1980 |
| Document history | |
| Country | Switzerland |
| Keyword | CCITT R.40;ITU-T 40;40 |