Live / Incidents / LiveKit
LiveKit: Investigating reports of one-way audio issues in LiveKit Phone Numbers
LiveKit · livekit.ioImpact: minorResolved2026-09-02 21:31 UTC
Public — what happened
Summary
An upstream carrier reverted a codec change that was causing one-way audio issues on calls to LiveKit-issued phone numbers. As of 21:10 UTC calls are connecting normally and we are no longer seeing the issue. The upstream codec change has impacted calls from T-Mobile and AT&T carriers. No other SIP providers were affected. We are monitoring before marking this resolved.
Timeline
- Started — 2026-09-02 21:03 UTC
- Last update — 2026-09-02 21:31 UTC
- Resolved — 2026-09-02 22:15 UTC
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