TeleSign incident

Operator Alert - Ukraine (UA) - Intertelecom (255/04) [06/05/26]

TeleSign experienced a major incident on June 5, 2026 affecting Ukraine, lasting 1h 38m. The incident has been resolved; the full update timeline is below.

Started: Jun 05, 2026, 07:20 AM UTC
Resolved: Jun 05, 2026, 08:58 AM UTC
Duration: 1h 38m
Detected by Pingoru: Jun 05, 2026, 07:20 AM UTC

Affected components

Ukraine

Update timeline

investigating Jun 05, 2026, 07:20 AM UTC

Start Time: 12:16 AM PDT - 06/05/26 End Time: Ongoing We received notification that Intertelecom (255/04) from Ukraine (UA) is currently experiencing network issues, and this may cause a delay in the delivery of SMS messages. We will inform you once the operator has come to a resolution. SF[01182759]
resolved Jun 05, 2026, 08:58 AM UTC

Start Time: 12:16 AM PDT - 06/05/26 End Time: 01:43 AM PDT - 06/05/26 We received notification that the network issues previously reported by Intertelecom (255/04) from Ukraine (UA) have been resolved. Intertelecom (255/04) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly. SF[01182759]