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major✓ Resolved

SMS Delivery Receipt Delays from Twilio to Telekom Srbija Serbia

Twilio•Wed, Mar 18, 2026, 11:19 PM
Status
resolved
Duration
3h 40m
Updates
4
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedThu, Mar 19, 2026, 03:00 AM
This incident has been resolved.
monitoringThu, Mar 19, 2026, 12:58 AM
We still observe a recovery in SMS delivery receipts from Twilio to Telekom Srbija network subscribers in Serbia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
monitoringWed, Mar 18, 2026, 11:21 PM
We have observed a recovery in SMS delivery receipts from Twilio to Telekom Srbija network subscribers in Serbia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
identifiedWed, Mar 18, 2026, 11:20 PM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Telekom Srbija network subscribers in Serbia. 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.
investigatingWed, Mar 18, 2026, 11:19 PM
Twilio customers may be experiencing SMS delivery receipt delays from Twilio to Telekom Srbija network subscribers in Serbia. 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.

📊 TECHNICAL DETAILS

Internal ID
7c6c6ada-fbd9-46ed-8795-222d54cd0697
External ID
pszps5fl6zg1
🕐 Started
Wed, Mar 18, 2026, 11:19 PM
🔄 Last Updated
Thu, Mar 19, 2026, 03:00 AM
✓ Resolved
Thu, Mar 19, 2026, 03:00 AM
MAJOR
Impact Level
3h 40m
Total Duration
4
Status Updates
Affected Components
SMS, Europe
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