USA SMS & MMS - message latency affecting subset of short codes towards T-Mobile

Incident Report for Vonage API Status

Resolved

This incident has been resolved.
Posted Dec 16, 2025 - 06:30 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Dec 16, 2025 - 05:55 UTC

Investigating

We have been notified about potential SMS and MMS latency for messages using a subset of short codes towards T-Mobile. You may expect delayed inbound and outbound messages, and missing or delayed delivery receipts.

The carrier is aware of this issue and investigating the root cause. We will issue an update as soon as more information becomes available.

Please contact support@api.vonage.com if you have any questions.
Posted Dec 16, 2025 - 04:37 UTC
This incident affected: Global Connectivity (SMS North America, MMS North America).