| English | eng-000 |
| engaged signal | |
| 普通话 | cmn-000 | 占线信号 |
| 普通话 | cmn-000 | 忙音 |
| Deutsch | deu-000 | Besetztzeichen |
| English | eng-000 | busy back signal |
| English | eng-000 | busy signal |
| English | eng-000 | busy tone signal |
| English | eng-000 | engaged tone |
| English | eng-000 | tone signal |
| français | fra-000 | tonalité occupé |
| magyar | hun-000 | foglalt jelzés |
| русский | rus-000 | сигнал занятости линии |