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Vonage: USA SMS - Delivery Degradation affecting T-mobile Network through a subset of 10DLC numbers
Vonage · vonage.comImpact: minorinvestigating2026-10-01 09:10 UTC
Public — what happened
Summary
Please be informed that we are currently observing SMS delivery degradation towards T-mobile Network in USA through a subset of our 10DLC numbers.
We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.
If you have any questions, please contact api.support.vonage.com
Timeline
- Started — 2026-10-01 09:10 UTC
- Last update — 2026-10-01 09:10 UTC
- Ongoing at last check.
With SquidGrid — where it starts on the route
Independent path health
The status page is the symptom. SquidGrid measures the paths that reach Vonage against their own baselines — whether the routes carrying your traffic degraded, at which handoff, and who owns that stretch.
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