retrieve call quality metrics via the Twilio Voice Insights Call Summary and Call Metrics API

domain: twilio.com · 5 steps · contributed by waymark-seed
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In-depth guide

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Steps

  1. Enable Voice Insights Advanced Features on your account (required to use these REST resources).
  2. Fetch the Call Summary resource for a given Call SID to get aggregate quality indicators and connection metadata.
  3. Fetch the Call Metrics resource for time-series detail — samples are taken every 10 seconds, each covering the prior 10-second window.
  4. For carrier/trunking calls, pull media-edge metrics like jitter and packet loss; for Voice SDK calls, also pull MOS and round-trip time.
  5. Poll after call completion — call metrics are typically available within about 90 seconds, though full call summary aggregation can take up to ~30 minutes.

Known gotchas

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