Sinch Outage History

Sinch's DI MMS 365 MM7 service experienced delays in message delivery for Mobile Originating (MO), Mobile Terminating (MT), and Delivery Receipt (DR) traffic due to high traffic volumes causing queue buildup. The incident lasted 11.9 hours from February 25th at 22:45 GMT to February 26th at 11:22 GMT, affecting customers with delayed MMS message processing. The issue was resolved by clearing the queues and traffic returned to normal operations.

Sinch experienced SMS delivery issues with the Claro network in Costa Rica from 02:58 to 03:51 UTC on February 25, 2026. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing or late delivery receipts for SMS services in the LATAM region. The service was restored after approximately 53 minutes.

Sinch experienced SMS delivery issues with the Odido network in the Netherlands from 19:30 to 20:56 UTC on February 24, 2026. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing and late delivery receipts. The service was restored after 1.1 hours with all issues resolved.

Sinch experienced SMS delivery issues with the Telenor network in Denmark from 12:14 to 16:40 UTC on February 24, 2026. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing or late delivery receipts. The issue was resolved after 4.4 hours of investigation and remediation efforts.

Sinch experienced SMS delivery issues with AT&T Mexico from 08:35 to 12:21 UTC on February 24, 2026, lasting approximately 4.7 hours. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing and late delivery receipts for SMS services in the LATAM region. The service was fully restored and the incident was resolved by 13:57 UTC.

Sinch experienced SMS delivery issues with the Tigo carrier in Paraguay from February 22-24, 2026, lasting approximately 48.7 hours. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing and late delivery receipts for the LATAM SMS service. A fix was implemented and monitored before the issue was fully resolved on February 24th.