USA SMS & MMS - Delivery degradation affecting Shortcodes sending to "US Cellular" Network

Incident Report for Vonage API Status

Resolved

This incident has been resolved.
Posted Dec 14, 2023 - 22:54 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Dec 14, 2023 - 22:05 UTC

Update

We are continuing to investigate this issue.
Posted Dec 14, 2023 - 21:18 UTC

Update

We have been notified by our supplier that "US Cellular" MMS traffic is also being affected.
Posted Dec 14, 2023 - 21:17 UTC

Investigating

We have been notified by our US suppliers about an issue impacting SMS messages from shortcodes to the following carrier: US Cellular. You might experience missing or delayed inbound and outbound SMS and delivery receipts for a subset of shortcodes sending to US Cellular.

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 14, 2023 - 18:27 UTC
This incident affected: Global Connectivity (SMS North America, MMS North America).
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