SMS and MMS Delivery Receipt Delays from Twilio to AT&T United States

Summary

SMS and MMS Delivery Receipt Delays from Twilio to AT&T United States

The incident has been resolved and SMS and MMS delivery receipts from Twilio to AT&T network subscribers in the United States are operating normally.

• Started

  Oct 7, 2026 · 8:09 AM

• Resolved

  Oct 7, 2026 · 3:33 PM

• Duration

  7h 24m

• Severity

  Minor

• ◐

  Investigating

  Oct 7 · 8:09 AM Twilio

  Twilio customers may be experiencing MMS delivery delays from Twilio to AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

• ◆

  Identified

  Oct 7 · 8:41 AM Twilio

  Twilio customers may be experiencing SMS and MMS delivery delays from Twilio to AT&T network subscribers in the United States. 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.

• ◆

  Identified

  Oct 7 · 9:44 AM Twilio

  Twilio customers may be experiencing SMS and MMS Delivery Receipt Delays from Twilio to AT&T network subscribers in the United States. 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.

• ◉

  Monitoring

  Oct 7 · 11:40 AM Twilio

  We have observed a recovery in SMS and MMS delivery receipts from Twilio to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

• ◉

  Monitoring

  Oct 7 · 1:43 PM Twilio

  We have observed a recovery in SMS and MMS delivery receipts from Twilio to AT&T network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

• ✓

  Resolved

  Oct 7 · 3:33 PM Twilio

  The incident has been resolved and SMS and MMS delivery receipts from Twilio to AT&T network subscribers in the United States are operating normally.