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minor✓ Resolved

Voice Call Audio Quality Degradation Between Twilio Phone Numbers and Multiple Networks in United Kingdom

TwilioTue, Jul 21, 2026, 10:12 AM
Status
resolved
Duration
4h 37m
Updates
4
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedTue, Jul 21, 2026, 02:50 PM
This incident has been resolved.
identifiedTue, Jul 21, 2026, 01:51 PM
Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
monitoringTue, Jul 21, 2026, 12:39 PM
Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
investigatingTue, Jul 21, 2026, 11:18 AM
Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
investigatingTue, Jul 21, 2026, 10:12 AM
Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

📊 TECHNICAL DETAILS

Internal ID
bd0e261d-1390-48ea-8751-74fac68775c3
External ID
36v9dgvm78zx
🕐 Started
Tue, Jul 21, 2026, 10:12 AM
🔄 Last Updated
Tue, Jul 21, 2026, 02:50 PM
✓ Resolved
Tue, Jul 21, 2026, 02:50 PM
MINOR
Impact Level
4h 37m
Total Duration
4
Status Updates
Affected Components
Voice, Europe
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