Outage in Zipwhip
SMS Delivery Delays From a Subset of Twilio Registered Sender IDs to Telenor Serbia
Minor
March 13, 2026 - Started about 2 hours ago
Official incident page
Official incident page
Incident Report
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Registered Sender IDs to Telenor network subscribers in Serbia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
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Latest Updates ( sorted recent to last )
MONITORING
about 2 hours ago - at 03/13/2026 12:05PM
We are observing recovery in SMS delivery delays when sending messages from a subset of Twilio Registered Sender IDs to Telenor network subscribers in Serbia. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.
INVESTIGATING
about 2 hours ago - at 03/13/2026 11:20AM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Registered Sender IDs to Telenor network subscribers in Serbia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
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On Call Engineers are Investigating - 1 day ago
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