Minor incident

Twilio: Voice Call Silent and One-Way Audio from Gamma United Kingdom to a Subset of Twilio United Kingdom Phone Numbers

Affected: Voice, Europe

Current status of Twilio: Minor issues — live Twilio status

Timeline

1. Oct 16, 2026, 09:37 UTC
   investigating
   Twilio customers may be experiencing voice call silent and one-way audio from Gamma network subscribers in the United Kingdom to Twilio United Kingdom Phone Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
2. Oct 16, 2026, 09:53 UTC
   investigating
   Twilio customers may be experiencing silent calls and one-way audio from network subscribers in the United Kingdom to Twilio United Kingdom phone numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
3. Oct 16, 2026, 10:38 UTC
   investigating
   Twilio customers may be experiencing voice call silent and one-way audio from network subscribers in the United Kingdom to Twilio United Kingdom Phone Numbers. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
4. Oct 16, 2026, 13:55 UTC
   monitoring
   We have observed a recovery in voice calls from network subscribers in the United Kingdom to a subset of Twilio United Kingdom Phone Numbers and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
5. Oct 16, 2026, 15:58 UTC
   resolved
   The incident has been resolved and voice calls from Gamma network subscribers in the United Kingdom to a subset of Twilio United Kingdom Phone Numbers are operating normally.

Updates as published by Twilio (original).