Standard
[CURRENT]
UNE-ETS 300451:1997-11-20
BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 4-wire analogue leased line (A40). Connection characteristics and network interface presentation.
- Publication date
-
1997-11-20
- Original language
-
Spanish
- Pages
- 37
- Publication date
-
1997-11-20
- Original language
-
Spanish
- Pages
- 37
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