An engineer has transitioned over to Telepresence-managed scheduling from direct- managed conference bridges in TMS and has begun to see failed calls and double- bookings of conferences. What should be done to fix this?
A. Ensure the conference TelePresence Conductor is set as the preferred MCU
B. Ensure future conferences on the bridges have been migrated
C. Ensurethe variable field has been manually configured
D. Ensure cascading has been enabled
