You are configuring a SIP trunk with ID340772155 on Cisco Unified Communications Manager to direct calls towards the Cisco VCS C/E. Which two checkboxes should you enable in the security profile for the SIP trunk?
A. Accept Out-of-Dialog REFER
B. Accept Presence Subscription
C. Transmit Security Status
D. Accept Unsolicited Notification
E. Enable Application Level Authorization
F. Accept Replaces Header
https://www.cisco.com/c/dam/en/us/td/docs/telepresence/infrastructure/vcs/config_guide/X8-8/Cisco-VCS-SIP-Trunk-to-Unified-CM-Deployment-Guide-CUCM-8-9-10-11-and-X8-8.pdf
page 17
Accept Unsolicited Notification
Select this check box
Accept Replaces Header
Select this check box