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Outage in Vonage API

Voice Platform Issues

Resolved Minor
March 17, 2026 - Started about 1 month ago - Lasted 1 day
Official incident page

Incident Report

Summary AI Generated

The Vonage Voice API experienced issues where forwarded outbound call legs from non-Vonage numbers were being rejected by carriers due to SIP header problems. The Voice API component was affected during this 5-minute incident. The team identified the root cause and worked to address the SIP header issues causing the call rejections.

We have identified an issue where forwarded outbound call legs from non-Voange numbers to our carrier are being rejected due to SIP header issues. We are working to fully identify and address the issue. Please contact support if you notice issues with your calls.
Components affected
Vonage API Voice API

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Latest Updates ( sorted recent to last )
RESOLVED about 1 month ago - at 03/18/2026 11:33PM

This incident has been resolved.

MONITORING about 1 month ago - at 03/18/2026 11:11PM

A fix has been rolled out to all datacenters. There should be no further issues with forwarded call legs. Please contact support if you notice any ongoing issues with your calls.

IDENTIFIED about 1 month ago - at 03/18/2026 11:00AM

Our engineering team has identified the issue that may be impacting your voice calling services for forwarded calls from non-Vonage numbers, and has applied initial mitigations.

We will continue to provide further updates every 8 hours, and once full service is restored.

Thank you for your patience and understanding.

If you have any questions, please contact api.support.vonage.com

IDENTIFIED about 1 month ago - at 03/18/2026 04:58AM

We have mitigations in place, and we are still working on a permanent fix. We will continue to provide updates along the way until full service is restored. Thank you for your patience and understanding.

INVESTIGATING about 1 month ago - at 03/18/2026 03:38AM

We have mitigations in place, and we are still working on a permanent fix. We will continue to provide updates along the way until full service is restored. Thank you for your patience and understanding.

IDENTIFIED about 1 month ago - at 03/17/2026 10:12PM

We have identified the issue that's impacting forwarded calls from non-Vonage numbers and have applied initial mitigations. We will continue to provide updates along the way until full service is restored. Thank you for your patience and understanding. If you have any questions, please contact [api.support.vonage.com OR https://www.vonage.com/support/]

INVESTIGATING about 1 month ago - at 03/17/2026 09:00PM

We have identified an issue where forwarded outbound call legs from non-Voange numbers to our carrier are being rejected due to SIP header issues. We are working to fully identify and address the issue. Please contact support if you notice issues with your calls.

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