A range of Meet-Me conference numbers is reserved for manager use. Which method can be used to restrict non-managers from accessing these Meet-Me numbers without limiting their ability to initiate ad hoc conferences?
A.
Place the Meet-Me numbers in an MRGL that is only assigned to the managers’ phones.
B.
Place the Meet-Me numbers in a partition that is only assigned to the CSS for the managers’ phones.
C.
Place the conference bridge resource in an MRGL that is only assigned to the managers’ phones.
D.
Place the conference bridge resource in a partition that is only assigned to the CSS for the managers’ phones.