Which pre configuration task is necessary for VoiceView Express?

A.
Ensure that all phones that are owned by the JTAPI user point to the authentication server URL
on Cisco Unity Express.

B.
Ensure that the authentication server URL points to Cisco Unity Express

C.
Ensure that all phones point to the authentication server URL owned by Cisco Unity Express

D.
Ensure that authentication server is owned by the JTAPI user on Cisco Unity Express