 |
| |||
| user to user signaling; user to user signalling | |||
|
user til user signalering : 3 do fraz, 1 tematyki |
| Technologia informacyjna | 3 |
|
| |||
| user to user signaling; user to user signalling | |||
|
user til user signalering : 3 do fraz, 1 tematyki |
| Technologia informacyjna | 3 |