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Vonage Outage History

Every past Vonage outage tracked by IsDown, with detection times, duration, and resolution details.

There were 3125 Vonage outages since February 2021. The 490 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor March 9, 2026

March 2026: Voice CDRs Delay in EU Region

Detected Mar 9, 2026 5:15 PM EDT · Resolved Mar 10, 2026 1:21 PM EDT · Duration about 20 hours

Vonage experienced delays in Voice Call Detail Records (CDRs) processing in the EU region for approximately 20 hours. The issue affected customers' ability to receive timely billing and usage records for voice services. Engineers identified and implemented a fix, with the incident fully resolved after monitoring confirmed the solution was working properly.

Minor March 9, 2026

March 2026: Nigeria SMS - Delivery Degradation towards MTN network

Detected Mar 9, 2026 4:12 PM EDT · Resolved Mar 9, 2026 7:27 PM EDT · Duration about 3 hours

Vonage experienced SMS delivery degradation specifically affecting messages sent to Nigeria's MTN network for 3.3 hours. The issue impacted SMS delivery reliability for customers sending messages to MTN subscribers in Nigeria. Vonage worked with carrier partners to implement a fix and successfully resolved the delivery problems.

Minor March 9, 2026

March 2026: Indonesia SMS - Delivery degradation towards XL Network

Detected Mar 9, 2026 2:38 AM EDT · Resolved Mar 9, 2026 4:04 AM EDT · Duration about 1 hour

Vonage experienced SMS delivery degradation to Indonesia's XL Network, affecting message delivery performance for users sending SMS to that carrier. The company worked with carrier partners to implement a fix and monitored the results. The incident was resolved after 1.4 hours of service degradation.

Minor March 7, 2026

March 2026: Bulgaria SMS - Delivery Degradation towards Vivacom network

Detected Mar 7, 2026 1:01 PM EST · Resolved Mar 7, 2026 2:42 PM EST · Duration about 2 hours

Vonage experienced SMS delivery degradation specifically affecting messages sent to the Vivacom network in Bulgaria for 1.7 hours. The company worked with their carrier partner to implement a fix and resolve the delivery issues. The incident was successfully resolved after monitoring confirmed the fix was effective.

Minor March 6, 2026

March 2026: Verify TTS & TTS API Issue

Detected Mar 6, 2026 11:38 AM EST · Resolved Mar 6, 2026 12:03 PM EST · Duration 25 minutes

Vonage's monitoring system detected a potential service issue with Verify TTS calls and the TTS API that could have affected the Verify API and deprecated TTS API services. The engineering team investigated the issue, which was classified as minor and resolved within 25 minutes.

Minor March 6, 2026

March 2026: USA SMS - SMS delivery degradation affecting 10DLC numbers sending to Verizon Wireless

Detected Mar 6, 2026 8:31 AM EST · Resolved Mar 6, 2026 12:03 PM EST · Duration about 4 hours

Vonage experienced SMS delivery issues affecting 10DLC numbers sending messages to Verizon Wireless customers in the USA for 3.5 hours. The problem was caused by an issue with Vonage's upstream suppliers that impacted message delivery to the Verizon network. The incident was resolved after a fix was implemented and monitored by the carrier.

Minor March 6, 2026

March 2026: Germany SMS - Delivery degradation towards Telefonica Germany

Detected Mar 6, 2026 1:14 AM EST · Resolved Mar 6, 2026 11:11 AM EST · Duration about 10 hours

Vonage experienced SMS delivery degradation specifically affecting messages sent to Telefonica Germany customers for 10 hours. The service disruption impacted SMS delivery reliability to this major German carrier network. Vonage worked with carrier partners to implement a fix and successfully resolved the issue after monitoring the results.

Minor March 5, 2026

March 2026: Video Tools sessions may appear incomplete

Detected Mar 5, 2026 11:22 AM EST · Resolved Mar 5, 2026 2:29 PM EST · Duration about 3 hours

Vonage experienced an issue with Video Tools where session data appeared incomplete or missing for approximately 26.5 hours between March 4-5, 2026. The problem affected only Video Tools while all other Vonage services continued operating normally. The issue was resolved after implementing a fix and monitoring period.

Minor March 4, 2026

March 2026: Mexico SMS - Delivery Degradation towards Altan Redes Mexico

Detected Mar 4, 2026 1:36 AM EST · Resolved Mar 4, 2026 2:51 AM EST · Duration about 1 hour

Vonage experienced SMS delivery issues affecting Altan Redes Mexico network due to a supplier problem. Both inbound and outbound messages were impacted with delivery delays and failures. The issue was resolved after 1.3 hours with a fix implemented and monitored.

Minor March 4, 2026

March 2026: Taiwan SMS - Delivery degradation towards Taiwan Mobile network

Detected Mar 4, 2026 12:29 AM EST · Resolved Mar 4, 2026 2:03 AM EST · Duration about 2 hours

Vonage experienced SMS delivery degradation for domestic traffic to the Taiwan Mobile network for 1.6 hours. The issue affected message delivery performance specifically for customers sending SMS to Taiwan Mobile subscribers. Vonage worked with their carrier partner to implement a fix and successfully resolved the incident.