Which Cisco UCM configuration is required for SIP MWI integrations?

Which Cisco UCM configuration is required for SIP MWI integrations?
A . Enable "Accept presence subscription" on the SIP Trunk Security Profile.
B . Select "Redirecting Diversion Header Delivery – Outbound" on the SIP trunk.
C . Enable "Accept unsolicited notification" on the SIP Trunk Security Profile.
D . Select "Redirecting Diversion Header Delivery – Inbound" on the SIP trunk.

View Answer

Answer: C