 |
| |||
| сигнал тонального вызова | |||
| call tone: 20 phrases in 7 subjects |
| Electronics | 1 |
| Makarov | 2 |
| Mass media | 1 |
| Mobile and cellular communications | 2 |
| Technology | 1 |
| Telecommunications | 10 |
| Telephony | 3 |
|
| |||
| сигнал тонального вызова | |||
| call tone: 20 phrases in 7 subjects |
| Electronics | 1 |
| Makarov | 2 |
| Mass media | 1 |
| Mobile and cellular communications | 2 |
| Technology | 1 |
| Telecommunications | 10 |
| Telephony | 3 |