Refer to the exhibit. Which option correctly describes the order of signaling and call processing events when a branch employee calls headquarters?()
- AP,S,T,U
- BU,T,S,P
- CS,U,P,T
- DP,U,S,T
- ES,P,U,T
- FS,P,T,U
Refer to the exhibit. Which option correctly describes the order of signaling and call processing events when a branch employee calls headquarters?()