You have a Teams Phone deployment. The deployment has a single Session Border Controller (SBC) that uses Direct Routing. Users report that outbound PSTN calls fail. You need to identify the quantity…

Question

Options

• AQuality of Experience Reports in Microsoft Call Quality Dashboard
• Bthe Jitter tab in Network parameters in the Microsoft Teams admin center
• Cthe network effectiveness ratio on the Usage tab for the SBC in the Microsoft Teams admin
• DEndpoint Reports in Microsoft Call Quality Dashboard

• A
  71% (29)
• B
  2% (1)
• C
  17% (7)
• D
  10% (4)

Explanation

Microsoft Call Quality Dashboard (CQD) Quality of Experience (QoE) Reports include detailed PSTN call data for Direct Routing deployments, including SIP response codes returned by the SBC for failed call attempts. These reports allow administrators to filter and count specific SIP error codes (e.g., 403, 404, 503, 504) to identify patterns in outbound call failures. This makes it the correct tool for quantifying specific SBC SIP errors. Option C (network effectiveness ratio in Teams admin center SBC usage tab) provides a high-level health metric but does not break down specific SIP error types or quantities. Option B (Jitter tab) is for media quality metrics. Option D (Endpoint Reports in CQD) focuses on client-side endpoint quality, not SBC-side SIP signaling errors.

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