what is the PID value of the default dial peer?

When the Cisco IOS router or gateway receives a call setup request, what is the PID value of the default
dial peer?

A.
ID:3

B.
PID:6

C.
PID:0

D.
PID:4

E.
PID:5

F.
PID:1

G.
PID:2

H.
PID:7