Which route pattern is used to route the call if a user dials the toll-free number 1-866-555-1212?

Employees at a company must dial 9 first to reach an external number.

Which route pattern is used to route the call if a user dials the toll-free number 1-866-555-1212?
A . 9.18XX[2-9]XXXXXX
B . 9.18[0,5-8][0,5-8]XXXXXXX
C . 9.1XXXXXXXXXX
D . 9.1866XXXXXXX
E . 9.1866[2-9]XXXXXX
F . 9.1[2-9]XX[2-9]XXXXXX

View Answer

Answer: E