 |
| |||
| user to user signaling; user to user signalling | |||
|
user til user signalering : 3 phrases in 1 subject |
| Information technology | 3 |
|
| |||
| user to user signaling; user to user signalling | |||
|
user til user signalering : 3 phrases in 1 subject |
| Information technology | 3 |