Sinch Outage History

Sinch experienced SMS delivery issues in the Isle of Man affecting the Manx Telecom network, causing delayed message delivery, missing delivery receipts, and late delivery confirmations. The incident affected SMS services in the EMEA region and impacted both mobile-terminated (MT) and mobile-originated (MO) messages. The issue was resolved after approximately 47 hours of service disruption.

Sinch experienced SMS delivery issues in Djibouti through the Evatis carrier, causing delayed message transmission and reception along with missing or late delivery receipts. The incident affected SMS services in the EMEA region for approximately 2 hours and 8 minutes before being resolved.

Sinch experienced SMS delivery issues with the O2 network in Germany from 13:34 to 14:34 UTC on March 10, 2026. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing or late delivery receipts. The service was fully restored after approximately 1 hour, resolving all delivery problems.

Sinch Contact Pro experienced service disruption and degraded performance in the EU region starting at 08:00 UTC. The incident affected customers' ability to use the contact center service normally. The issue was resolved after 1.1 hours of investigation by the operations team.

Sinch experienced SMS delivery issues in Djibouti through the Evatis carrier, causing delayed mobile-terminated and mobile-originated messages along with missing or late delivery receipts. The incident affected SMS services in the EMEA region for 3.7 hours from March 9, 2026 at 20:11 UTC until resolution on March 10, 2026 at 00:56 UTC.

Sinch's DI SMS 365 service experienced delays in message delivery affecting mobile terminating (MT) traffic, mobile originated (MO) traffic, and delivery receipt (DR) notifications for approximately 4.4 hours starting March 9th, 2026 at 20:22 GMT. The incident impacted International SMS 365 services, causing potential delays for customers sending and receiving SMS messages. Traffic was fully restored by March 10th at 01:14 GMT.

Sinch Engage experienced an inbox degradation issue that prevented users from creating new conversations, reopening existing conversations, and switching assignees when sending messages. The Hub component was affected for approximately 3 hours and 32 minutes before the issue was identified and resolved with an implemented fix.

Sinch experienced SMS delivery issues with the Unitel network in Mongolia from March 8, 2026 at 17:30 UTC to 23:45 UTC, lasting 7.7 hours. The incident caused delayed mobile-terminated and mobile-originated messages, along with missing and late delivery receipts for SMS services in the APAC region. The service was fully restored and the incident was resolved by March 9, 2026 at 02:11 UTC.

Sinch's SMS 365 service experienced delays in message delivery affecting mobile terminating (MT), mobile originated (MO), and delivery receipt (DR) messages for customers in both US and Rest of World regions. The incident lasted approximately 4 days, from March 7th to March 11th, 2026, impacting the processing speed of SMS traffic. A fix was implemented and monitored, with the service returning to normal message processing speeds without delays.

Sinch experienced SMS delivery issues in Bulgaria affecting the Vivacom network, causing delayed mobile-terminated and mobile-originated messages along with missing or late delivery receipts. The incident affected SMS services in the EMEA region for approximately 1.2 hours from 16:57 UTC to 18:59 UTC on March 7, 2026. The service was fully restored and the incident was resolved.