Refer to the exhibit. When a call from extension2251is made to PSTN number 914085550124,
which calling numbers are used for the outgoing call?
A.
The calling number appears as 2251.
B.
The calling number appears as 2015552251
C.
The calling number appears as 2025552251
D.
The calling number appears as 12025552251
E.
The calling number appears as 12015552251
Explanation: