Twilio outage on 2026-08-24: Voice Call Failures, Post Dial Delay, and Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil

Twilio customers may be experiencing voice call failures, post dial delay, and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil. 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.