Delivery Issue - US Cellcom

Incident Report for Sinch

Monitoring

We have received confirmation from the carrier that service is restored.

We will keep monitoring the situation until we have received final confirmation on resolution of the issue.
Posted May 19, 2025 - 23:07 UTC

Update

We are continuing to investigate this issue.
Posted May 18, 2025 - 22:04 UTC

Update

We are continuing to investigate this issue.
Posted May 18, 2025 - 22:02 UTC

Update

We are continuing to investigate this issue.
Posted May 17, 2025 - 21:03 UTC

Update

We are continuing to investigate this issue.
Posted May 16, 2025 - 20:07 UTC

Update

We are continuing to investigate this issue.
Posted May 16, 2025 - 10:03 UTC

Update

We are continuing to investigate this issue.
Posted May 16, 2025 - 05:11 UTC

Update

We are continuing to investigate this issue.
Posted May 16, 2025 - 02:01 UTC

Investigating

We are currently observing delivery issues towards Cellcom US.

Incident Start Time: 2025-05-15 02:02 UTC
Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts

We will update as soon as we have more information.
Posted May 16, 2025 - 00:02 UTC
This incident affects: External Connectivity (SMS - US - ShortCode, SMS - US - Toll Free, SMS - US - 10DLC).