NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN ETS 300488 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| I-ETS 300245-2 | 1996-02 | Integrated Services Digital Network (ISDN) - Technical characteristics of telephony terminals - Part 2: PCM A-law handset telephony More |
| I-ETS 300480 | 1996-01 | Public Switched Telephone Network (PSTN) - Testing specification for analogue handset telephony More |