 |
| |||
| dual-tone signaling | |||
| |||
| dual tone multifrequency signaling (в аппаратах с тастатурным набором) | |||
|
двухтональная сигнализация : 7 phrases in 5 subjects |
| Aviation | 1 |
| Caspian | 1 |
| Electronics | 3 |
| Mass media | 1 |
| Technology | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips