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minor✓ Resolved

SMS Delivery Delays from Twilio to MTN Zambia

Twilio•Tue, Jul 28, 2026, 08:19 PM
Status
resolved
Duration
17h 20m
Updates
7
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedWed, Jul 29, 2026, 01:40 PM
This incident has been resolved.
monitoringWed, Jul 29, 2026, 12:05 PM
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.
monitoringWed, Jul 29, 2026, 04:04 AM
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.
monitoringTue, Jul 28, 2026, 11:58 PM
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.
monitoringTue, Jul 28, 2026, 09:58 PM
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.
identifiedTue, Jul 28, 2026, 09:29 PM
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.
identifiedTue, Jul 28, 2026, 08:29 PM
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.
investigatingTue, Jul 28, 2026, 08:19 PM
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.

📊 TECHNICAL DETAILS

Internal ID
86150383-024e-4d97-b58a-5f2af340be0f
External ID
7wdk25njv1jn
🕐 Started
Tue, Jul 28, 2026, 08:19 PM
🔄 Last Updated
Wed, Jul 29, 2026, 01:40 PM
✓ Resolved
Wed, Jul 29, 2026, 01:40 PM
MINOR
Impact Level
17h 20m
Total Duration
7
Status Updates
Affected Components
SMS, Middle East & Africa
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