SMS Delivery Delays and Failures from Twilio Numbers to Telefonica O2 UK
Apr 23, 15:44 UTCApr 23, 15:44 UTC
Duration
0m
Impact
Minor
Root cause
Not disclosed
Twilio, 90 days
545 incidents
Affected
Not listed by the vendor.
Final update
Twilio SMS was degraded for ~ 90 minutes between ~ 04:16 and 05:42 Pacific Time on 23/04/2026. During this period of time customers may have experienced intermittent delays delivering SMS to Telefonica O2 network in UK. The issue has now been resolved.
Timeline
- Resolved · Apr 23, 15:44 UTC
Twilio SMS was degraded for ~ 90 minutes between ~ 04:16 and 05:42 Pacific Time on 23/04/2026. During this period of time customers may have experienced intermittent delays delivering SMS to Telefonica O2 network in UK. The issue has now been resolved.
More from Twilio
Full history| Started | Incident | Impact | Duration |
|---|---|---|---|
| Sep 2319:34 UTC | Voice Call Failures from a Subset of Twilio Mobile Numbers to United Kingdom | minor | Ongoing |
| Sep 2317:57 UTC | SMS Delivery Failures from Twilio Alphanumeric Sender IDs to MTN Nigeria | minor | 5h 54m |
| Sep 2315:02 UTC | Voice Call Failures from a Subset of Twilio Phone Numbers to Norway | minor | Ongoing |
| Sep 2312:53 UTC | SMS Delivery Delays from Twilio to MASS Response Austria | minor | 4h 20m |
| Sep 2310:58 UTC | SMS Delivery Failures from Twilio to Multiple Countries | minor | 9h 12m |
| Sep 2306:32 UTC | SMS Delivery Delays from Twilio Phone Numbers to Tele2 Sweden | minor | 5h 53m |
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