Outage in Telesign

Operator Alert - Bulgaria (BG) - BTC Mobile (Vivacom) (284/03;06) - 02/27/2026

Resolved Minor

February 27, 2026 - Started 3 days ago - Lasted about 2 hours
Official incident page

Incident Report

Summary AI Generated

Telesign experienced SMS delivery delays in Bulgaria due to network issues with BTC Mobile (Vivacom) operator starting at 9:37 AM PST on February 27, 2026. The network problems caused delays in SMS message delivery to end users on this carrier. The operator resolved their network issues by 11:00 AM PST, restoring normal SMS delivery functionality after approximately 1.4 hours.

Start Time: 09:37 AM PST - 02/27/26 End Time: Ongoing We received notification that BTC Mobile (Vivacom) (284/03;06) from Bulgaria (BG) 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 01136192

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Latest Updates ( sorted recent to last )

RESOLVED 3 days ago - at 02/27/2026 07:13PM

Start Time: 09:37 AM PST - 02/27/26
End Time: 11:00 AM PST - 02/27/26

We received notification that the network issues previously reported by BTC Mobile (Vivacom) (284/03;06) from Bulgaria (BG) have been resolved. end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.

SF 01136192

INVESTIGATING 3 days ago - at 02/27/2026 05:38PM

Start Time: 09:37 AM PST - 02/27/26
End Time: Ongoing

We received notification that BTC Mobile (Vivacom) (284/03;06) from Bulgaria (BG) 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 01136192

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