Twilio incident

SMS Delivery Receipt Delays from Twilio to Ufone Pakistan

Minor Resolved View vendor source →

Twilio experienced a minor incident on September 18, 2026 affecting SMS, APAC, lasting 6h 40m. The incident has been resolved; the full update timeline is below.

Started
Sep 18, 2026, 09:23 AM UTC
Resolved
Sep 18, 2026, 04:03 PM UTC
Duration
6h 40m
Detected by Pingoru
Sep 18, 2026, 09:23 AM UTC

Affected components

SMS, APAC

Update timeline

  1. investigating Sep 18, 2026, 09:23 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Ufone network subscribers in Pakistan. Our team is actively investigating this issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

  2. identified Sep 18, 2026, 09:23 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Ufone network subscribers in Pakistan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 1 hour or as soon as more information becomes available.

  3. identified Sep 18, 2026, 10:27 AM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Ufone network subscribers in Pakistan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

  4. identified Sep 18, 2026, 12:32 PM UTC

    Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Ufone network subscribers in Pakistan. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 4 hours or as soon as more information becomes available.

  5. monitoring Sep 18, 2026, 02:00 PM UTC

    We have observed a recovery in SMS delivery receipts from Twilio to Ufone network subscribers in Pakistan and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

  6. resolved Sep 18, 2026, 04:03 PM UTC

    The incident has been resolved and SMS delivery receipts from Twilio to Ufone network subscribers in Pakistan are operating normally.