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