Which call processing feature overrides the Do Not Disturb settings on a Cisco IP phone? 

Answer options:

A. park reversion for remotely parked calls by a shared line
B. hold reversion
C. remotely placed pickup request by a shared line
D. pickup notification
E. terminating side of a call back

B

Hold Reversion and Intercom - Hold reversion and intercom override DND (both options), and the call gets presented normally. References: http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/7_1_2/ccmfeat/fsgd-712-cm/fsdnd.html#wp1072487