 |
| |||
| start character; start-of-message character | |||
| answer meter signal; answer metre signal; answer signal (from called station, PABX); off-hook signal | |||
| start signal | |||
|
Beginnzeichen : 5 Phrasen in 3 Thematiken |
| Kommunikation | 2 |
| Technik | 1 |
| Telekommunikation | 2 |