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.
Answer: D
Explanation:
https://community.cisco.com/t5/collaboration-voice-and-video/understanding-troubleshooting-mwi-on-unity-connection/ta-p/3162948
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SIP integration:
1. Check the following on the SIP trunk security profile:
– Accept Out-of-Dialog REFER
– Accept Unsolicited Notification
– Accept Replaces Header
In case of SIP integration, CUC sends SIP notify messages to the phone system to turn the MWI on or OFF so “Accept unsolicited notification” should be checked under SIP profile assigned to the trunk