Outage in Vonage

USA SMS - Delivery Delays towards T-Mobile Network

Resolved Minor

November 12, 2025 - Started 5 months ago - Lasted about 4 hours
Official incident page

Incident Report

We are currently experiencing message delivery delays impacting traffic towards T-Mobile USA. As a result, you may experience delays, failures or missing delivery receipts for outbound messages. Our supplier is aware of this issue and investigating the root cause as a matter of urgency. We will post an update as soon as more information becomes available. Please contact support@api.vonage.com if you have any questions.

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Latest Updates ( sorted recent to last )

MONITORING 5 months ago - at 11/12/2025 05:52PM

A fix has been implemented and we are monitoring the results.

INVESTIGATING 5 months ago - at 11/12/2025 03:04PM

We are currently experiencing message delivery delays impacting traffic towards T-Mobile USA. As a result, you may experience delays, failures or missing delivery receipts for outbound messages.
Our supplier is aware of this issue and investigating the root cause as a matter of urgency. We will post an update as soon as more information becomes available.

Please contact support@api.vonage.com if you have any questions.

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