Refer to the exhibit. The mobile phone is unable to call the PSTN phone using the Mobile Voice Access feature. The mobile phone user hears “Your call cannot be completed as dialed …..” Which two CSSs combine to determine whether access to the partition that is assigned to the PSTN route pattern is allowed? (Choose two.)

A.
the Gateway CSS

B.
the Phone Device CSS

C.
the Remote Destination Profile CSS

D.
the Remote Destination Profile Rerouting CSS

E.
the Phone Line (DN CSS)