350-801 Question #62: Real Exam Question with Answer & Explanation

Question

Which configuration on Cisco Unified Communication Manager is required for SIP MWI to work?

Options

• AThe line partition must be inside the inbound CSS assigned to the CUC SIP trunk.
• BAssign a MWI extension on the mailbox.
• CThe line partition must be inside the rerouting CSS assigned to the Cisco assigned to the Cisco
• DSet the "Enable message waiting indicator" on the port group.

Explanation

{"question_number": 7, "question": "Which configuration on Cisco Unified Communications Manager is required for SIP MWI to work?", "correct_answer": "A", "explanation": "For SIP-based Message Waiting Indicator (MWI) to function, Cisco Unity Connection (CUC) sends a SIP NOTIFY message to CUCM targeting the phone's directory number. CUCM must be able to route this NOTIFY to the correct phone line. This routing is governed by the Calling Search Space (CSS) assigned to the CUC SIP trunk-specifically the inbound CSS. The phone's line partition must be included within that inbound CSS; otherwise, CUCM cannot resolve the DN and deliver the MWI notification to the phone. Without this partition visibility, the MWI notification will fail silently.", "generated_by": "claude-sonnet", "llm_judge_score": 3}

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