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Outage in Vonage

Voice Platform Issues

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

Incident Report

Summary AI Generated

Vonage experienced a 26.6-hour voice platform incident where forwarded outbound calls from non-Vonage numbers were being rejected due to SIP header issues with their carrier. The problem specifically affected call forwarding functionality for customers using non-Vonage numbers. The engineering team applied initial mitigations and eventually rolled out a permanent fix to all datacenters, fully resolving the service disruption.

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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Latest Updates ( sorted recent to last )
RESOLVED about 8 hours ago - at 03/18/2026 11:33PM

This incident has been resolved.

MONITORING about 8 hours 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 20 hours 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 1 day 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 1 day 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 1 day 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 1 day 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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