Outage in Zipwhip

Small Number of Voice Calls Are Failing Stir/Shaken Attestation

Minor
July 22, 2025 - Started about 21 hours ago
Official incident page

Need to monitor Zipwhip outages?
Stay on top of outages with IsDown. Monitor the official status pages of all your vendors, SaaS, and tools, including Zipwhip, and never miss an outage again.
Start Free Trial

Outage Details

We are currently investigating an issue that is causing a small number of Voice calls to fail Stir/Shaken Attestation. Due to this issue, these voice calls are getting signed as Attestation C. Our engineering team is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
Latest Updates ( sorted recent to last )
MONITORING 31 minutes ago - at 07/22/2025 11:42PM

We continue observing recovery in issue that is causing a small number of Voice calls to fail Stir/Shaken Attestation. Due to this issue, these voice calls are getting signed as Attestation C. We will continue monitoring the service to ensure a full recovery. We will provide another update in 16 hours or as soon as more information becomes available.

MONITORING about 8 hours ago - at 07/22/2025 03:47PM

We continue observing recovery in issue that is causing a small number of Voice calls to fail Stir/Shaken Attestation. Due to this issue, these voice calls are getting signed as Attestation C. We will continue monitoring the service to ensure a full recovery. We will provide another update in 8 hours or as soon as more information becomes available.

MONITORING about 16 hours ago - at 07/22/2025 07:58AM

We are observing recovery in issue that is causing a small number of Voice calls to fail Stir/Shaken Attestation. Due to this issue, these voice calls are getting signed as Attestation C. We will continue monitoring the service to ensure a full recovery. We will provide another update in 8 hours or as soon as more information becomes available.

MONITORING about 18 hours ago - at 07/22/2025 06:00AM

We are observing recovery in issue that is causing a small number of Voice calls to fail Stir/Shaken Attestation. Due to this issue, these voice calls are getting signed as Attestation C. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

MONITORING about 20 hours ago - at 07/22/2025 04:01AM

We are observing recovery in issue that is causing a small number of Voice calls to fail Stir/Shaken Attestation. Due to this issue, these voice calls are getting signed as Attestation C. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 21 hours ago - at 07/22/2025 03:00AM

We are currently investigating an issue that is causing a small number of Voice calls to fail Stir/Shaken Attestation. Due to this issue, these voice calls are getting signed as Attestation C. Our engineering team is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Latest Zipwhip outages

SMS Delivery Failures to Yes Network in Malaysia - about 1 hour ago
SMS Delivery Delays and Failures to Etisalat in United Arab Emirates - about 2 hours ago
Users Unable to Login to Flex via SSO - about 3 hours ago
SMS Delivery Delays to Vodafone in Egypt - about 5 hours ago
SMS Delivery Delays to MTN Network in Multiple African Countries - about 9 hours ago

Be the First to Know When Vendors Go Down

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4400 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook