Standard
[CURRENT]
NF Z82-263:1995-11-01
NF ETS 300263:1995-11-01
Integrated Services Digital Network (ISDN). Telephony 7 kHz teleservice. Service description
- German title
- ISDN. TELEDIENST "7-KHZ TELEFONDIENST". DIENSTBESCHREIBUNG
- Publication date
-
1995-11-01
- Original language
-
French
- Pages
- 15
- Publication date
-
1995-11-01
- Original language
-
French
- Pages
- 15
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