TeleSign incident

Operator Alert - Russia (RU) - Mobile TeleSystems (MTS) (250/01) 09/19/26

Minor Resolved View vendor source →

TeleSign experienced a minor incident on September 19, 2026 affecting Russia, lasting 3h 54m. The incident has been resolved; the full update timeline is below.

Started
Sep 19, 2026, 09:18 AM UTC
Resolved
Sep 19, 2026, 01:13 PM UTC
Duration
3h 54m
Detected by Pingoru
Sep 19, 2026, 09:18 AM UTC

Affected components

Russia

Update timeline

  1. investigating Sep 19, 2026, 09:18 AM UTC

    Start Time: 02:10 PDT - 09/19/26 End Time: Ongoing We are currently observing a quality degradation towards Mobile TeleSystems (MTS) (250/01) in Russia (RU), which may cause delays in SMS delivery. We will inform you once the operator has come to a resolution. SF 01238766

  2. resolved Sep 19, 2026, 01:13 PM UTC

    Start Time: 02:10 PDT - 09/19/26 End Time: 06:10 PDT - 09/19/26 Network issues previously reported for Mobile TeleSystems (MTS) (250/01) from Russia (RU) have been resolved. Mobile TeleSystems (MTS) (250/01) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly. SF 01238766