Users in a branch office cannot hear MOH when they are on hold. However, users in the
headquarters office where Cisco Unified Communications server is installed have MOH enabled
and can hear MOH when on hold.
Which action solves this problem?

A.
Enable the MOH file in the headquarters router flash.

B.
Enable the MOH file in the branch router flash.

C.
Remove multicast routing in the headquarters router.

D.
Remove multicast routing in the branch router.