NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN ETS 300283 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ETS 300085 | 1990-12 | Integrated Services Digital Network (ISDN); 3,1 kHz telephony teleservice; attachment requirements for handset terminals More |
