REN/SPAN-020100 (EN 300 090)
| Integrated Services Digital Network (ISDN); | 1.2.1 |
REN/SPAN-020099 (EN 300 089)
| Integrated Services Digital Network (ISDN); | 3.1.1 |
DE/BT-02019 (ETS 300 247)
| Business Telecommunications (BT); | |
DE/BT-02020 (ETS 300 248)
| Business Telecommunications (BT); | |
DEN/ECMA-00189 (EN 301 846)
| Private Integrated Services Network (PISN); | 1.1.1 |
REG/ECMA-00222 (EG 202 102)
| Private Integrated Services Network (PISN); | 1.2.2 |
REG/ECMA-00214 (EG 201 017)
| Corporate Telecommunication Networks (CN); | 1.4.1 |
REN/SPAN-120068 (EN 301 140-2)
| Intelligent Network (IN); | 1.4.1 |
REN/SPAN-110096 (EN 300 357)
| Integrated Services Digital Network (ISDN); | 1.2.1 |
REN/SPAN-110105 (EN 300 199)
| Integrated Services Digital Network (ISDN); | 1.2.1 |