How To Check Call Quality With Voice Inspector

Objective

Learn how to use Voice Inspector to diagnose call quality issues for WebRTC (in-app), PSTN, PSIP, and WebSocket calls.

Applies To

• Vonage Voice API
• WebRTC, PSTN, PSIP, and WebSocket Calls
• Voice Inspector

Procedure

1. Access Voice Inspector
   Log into the Vonage API dashboard.
   Select Voice Inspector under Manage & Support.
   
   
2. Search for Call Information
   Enter a phone number, Call Leg ID (uuid), or Conversation ID (conversation_uuid).
   Note: Only calls from the past 21 days can be searched.
   
   
3. View Call Results
   By Call Leg ID: Directly displays the detailed call information.
   By Conversation ID: Shows a summary and list of related call legs.
   
   
4. Analyze Call Quality
   On the Call Information page, you'll find:
   Call Summary: Overview including call duration, status, location, and quality scores (QI or MOS).
   Quality Metrics: Details on bitrate, jitter, packet loss, and latency.
   Events Log: Chronological events for troubleshooting.
   NCCO Data & Webhooks: Actions taken during calls and detailed webhook requests/responses.

Additional Information

Call data is available for 21 days after call completion.
Learn more about Voice Inspector here.