Outage in CloudTalk
Outage of outbound calls to Czech mobile and landline numbers
Resolved Minor
April 27, 2026 - Started 3 days ago
- Lasted about 3 hours
Incident Report
Summary AI Generated
CloudTalk experienced a 2.7-hour outage affecting outbound VoIP calls to Czech Republic phone numbers (+420 prefix), causing immediate call drops or error messages for customers attempting to dial these destinations. The issue was identified as network instability with an upstream international carrier partner responsible for routing traffic to the Czech Republic, while CloudTalk's internal infrastructure remained functional. The incident was resolved after the carrier addressed their network issues.
We are currently experiencing an outage affecting outbound VoIP calls to Czech Republic phone numbers (prefix +420). Customers attempting to dial these destinations may encounter immediate call drops or error messages.
Trusted by 1,000+ teams
Never miss outages in third-party dependencies
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
IDENTIFIED
3 days ago - at 04/27/2026 08:10AM
Our engineering team has completed their initial diagnostics and confirmed that our internal VoIP infrastructure and network are functioning normally.
We have successfully isolated the root cause of the outage to an upstream international carrier partner responsible for routing outbound traffic to the Czech Republic. The carrier is currently experiencing network instability on their end, which is preventing these calls from completing.
INVESTIGATING
3 days ago - at 04/27/2026 08:07AM
We are currently experiencing an outage affecting outbound VoIP calls to Czech Republic phone numbers (prefix +420). Customers attempting to dial these destinations may encounter immediate call drops or error messages.
Latest CloudTalk outages
Partial System Outage - 16 days ago
Call Processing Delays - 21 days ago
Issues with inbound calls outside EU region - 29 days ago
Delayed call processing - 2 months ago
Never miss outages in third-party dependencies
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 trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
