Which Cisco Unified communications manager configuration is required for SIP MWI integration?

Which Cisco Unified communications manager configuration is required for SIP MWI integration?
A . Select "Redirecting Diversion Header Delivery – Inbound" on the SIP trunk.
B . Enable "Accept presence subscription" on the SIP trunk security profile.
C . Select "Redirecting Diversion Header Delivery – outbound" on the SIP trunk.
D . Enable "Accept unsolicited notification" on the SIP Trunk security profile.

View Answer

Answer: D

Explanation:

https://community.cisco.com/t5/collaboration-voice-and-video/understanding-troubleshooting-mwi-on-unity-connection/ta-p/3162948