 |
| |||
| start character; start-of-message character | |||
| answer meter signal; answer metre signal; answer signal (from called station, PABX); off-hook signal | |||
| start signal | |||
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Beginnzeichen : 5 do fraz, 3 tematyki |
| Komunikacja | 2 |
| Technika i technologia | 1 |
| Telekomunikacja | 2 |