TeleSign incident
Operator Alert - Russia (RU) - Mobile TeleSystems (MTS) (250/01) 09/19/26
Resolved after 3 hours 54 minutes, affecting Russia, on September 19, 2026.
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
Affected components
Update timeline
- 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
- 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
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