Outage in Sinch
Delivery Issue O2 - UK
Resolved MinorIncident Report
Summary AI Generated
Sinch experienced SMS delivery issues with the O2 network in the UK from 11:16 to 12:35 UTC on April 23, 2026. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing or late delivery receipts for SMS services in the EMEA region. The issue was resolved after approximately 1.4 hours.
We are currently observing delivery issues O2 - UK
Incident Start Time: 2026-04-23 11:16 UTC.
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
Components affected
Sinch SMS - EMEATrusted by 1,000+ teams
Never miss outages in third-party dependencies
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
RESOLVED
5 days ago - at 04/23/2026 01:30PM
This incident has been resolved
Incident Start Time: 2026-04-23 11:16 UTC.
Incident End Time: 2026-04-23 12:35 UTC.
INVESTIGATING
5 days ago - at 04/23/2026 12:07PM
We are currently observing delivery issues O2 - UK
Incident Start Time: 2026-04-23 11:16 UTC.
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts
We will update as soon as we have more information.
Latest Sinch outages
DI SMS 365 (iSMS) | Operator Services | Potential delay in delivery of MO, MT and DR || MNOC-63975 - about 23 hours ago
Delivery issue - Telia Sweden - 4 days ago
Delivery issue - Telia Norway - 4 days ago
DI SMS 365 (iSMS) | Operator Services | Potential delay in delivery of MO/MT Messages | TT#MNOC-63953 - 5 days ago
Delivery Issue Mexico - AT&T - 5 days ago
Never miss outages in third-party dependencies
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
