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| group call (A call to a call group that rings the group owner and call group simultaneously. When a member of the group answers the call, the other members get a notification with the status of the call) | |||
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appel de groupe : 6 do fraz, 3 tematyki |
| Elektronika | 1 |
| Komunikacja | 3 |
| Microsoftu | 2 |