Twilio incident
SMS Delivery Delays from Twilio Phone Numbers to MTN Zambia
Resolved after 17 hours 17 minutes, affecting SMS, Middle East & Africa, on July 28, 2026.
The incident has been resolved and SMS delivery from Twilio Phone Numbers to MTN network subscribers in Zambia is operating normally.
Affected components
Update timeline
- investigating Jul 28, 2026, 08:19 PM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio Phone Numbers to MTN network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Jul 28, 2026, 08:29 PM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio to MTN network subscribers in Zambia. 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 Jul 28, 2026, 09:29 PM UTC
Twilio customers may be experiencing SMS delivery delays from Twilio to MTN network subscribers in Zambia. 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 Jul 28, 2026, 09:58 PM UTC
We have observed a recovery in SMS delivery from Twilio Phone Numbers to MTN network subscribers in Zambia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Jul 28, 2026, 11:58 PM UTC
We have observed a recovery in SMS delivery from Twilio Phone Numbers to MTN network subscribers in Zambia and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
- monitoring Jul 29, 2026, 04:04 AM UTC
We have observed a recovery in SMS delivery from Twilio Phone Numbers to MTN network subscribers in Zambia and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
- monitoring Jul 29, 2026, 12:05 PM UTC
We have observed a recovery in SMS delivery from Twilio to MTN network subscribers in Zambia and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.
- resolved Jul 29, 2026, 01:37 PM UTC
The incident has been resolved and SMS delivery from Twilio Phone Numbers to MTN network subscribers in Zambia is operating normally.
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