A call center supervisor is trying to initiate an emergency condition by using FAC. After required FAC, a busy signal is returned.
Which three reasons are causing this problem? (Choose three.)
The variable associated with emergency is not defined.
The COS-group of the telephone set Console Permission disabled.
The COS group of the telephone set has Priority Calling disabled.
The FAC Vector Variable (VVl-9) Is not defined.
The VDN variable Vl-9 Is not set.
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