Affected components
SFTP Data Transfer
Update timeline
- monitoring Feb 25, 2026, 02:02 AM UTC
ISI initiated a service failover for SFTP connections utilizing transfer.isi-info.com at 7:50PM CST to resolve an authentication issue impacting a segment of customers. If you are experiencing a CUCM connection issue or received a CUCM CDR alert, please restart your CUCM Repository Manager(s) and CDR Agent services to restart the flow of CDR files. Please contact ISI Customer Support at 1-800-326-6183 (US Toll Free) or 1-847-592-3250 (Local or Non-US) if you have any questions.
- resolved Feb 25, 2026, 06:44 PM UTC
This incident has been resolved.
Looking to track ISI downtime and outages?
Pingoru polls ISI's status page every 5 minutes and alerts you the moment it reports an issue — before your customers do.
- Real-time alerts when ISI reports an incident
- Email, Slack, Discord, Microsoft Teams, and webhook notifications
- Track ISI alongside 5,000+ providers in one dashboard
- Component-level filtering
- Notification groups + maintenance calendar
Start monitoring ISI for free
5 free monitors · No credit card required