AR Boost - not returning CMS Results
Investigating - We are currently experiencing an issue impacting MBI Discovery. Our team is actively investigating and working to restore service as quickly as possible.
May 15, 2026 - 08:11 MDT

About This Site

Welcome to ZOLLOnline Status Page. Here, you'll find timely updates on the operational status of ZOLLOnline Application Services—ensuring users have the real-time information needed for your critical work.

ZOLL AR Boost Degraded Performance
All Services - ZOLL AR Boost Operational
RescueNet Billing Pro Operational
Claim Status Operational
Demographic Verifier Operational
Insurance Verifier/Insurance Discovery Degraded Performance
Prior Authorization Operational
Self-Pay Analyzer Operational
AR Boost API Operational
ZOLL Billing Operational
All Services - ZOLL Billing Operational
NEMSIS Import Operational
Payment Posting Operational
RescueNet Dispatch Integration Operational
Reporting Operational
Insurance and Demographic Services Operational
Claim Submissions Operational
Deductible Monitoring Services Operational
Patient Statements Operational
Automated Remittance/835 downloads Operational
ZOLL Dispatch Operational
All Services - ZOLL Dispatch Operational
ZOLL Respond for ZOLL Dispatch Operational
ZOLL emsCharts Operational
All Services - ZOLL emsCharts Service Operational
Physio EKG Operational
ZOLL EKG Operational
Tempus Pro EKG Operational
Faxing Operational
CAD Import Operational
Analytics Operational
ZOLL emsCharts NOW Operational
ZOLL emsCharts for Windows Operational
ZOLL emsCharts Web Operational
Scheduled Reports Operational
ZOLL Fire Reports Operational
All Services - ZOLL Fire Reports Operational
Analytics Operational
www.zollonline.com Operational
Website - www.zollonline.com Operational
Application - @Work Operational
RescueNet 12 Lead Operational
RescueNet CaseReview/CodeWriter Operational
RescueNet DeviceDashboard Operational
Application - Insights Operational
Application - Mobile Care Connect Operational
Application - ZOLL Care Exchange Operational
API - 12-Lead - E-Series Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Scheduled Maintenance

HL7 Maintenance 5/28 May 28, 2026 01:00-04:00 MDT

Scheduled Maintenance:
Start: Thu May 28, 2026, 3:00 AM ET
End: Thu May 28, 2026, 6:00 AM ET

REMINDER OF IP CHANGES:

For anyone using Remote Downloader interfaces:
* If you use DNS/URL-based allow listing, whitelist FQDN *.emscharts.com
* If you whitelist IPs, get the current list via command prompt by entering "nslookup whitelist.emscharts.com". This will always reflect the current required IP addresses.
Posted on May 12, 2026 - 15:28 MDT
May 15, 2026
ZOLL EKG Imports into emsCharts
Resolved - SERVICE RESTORED: ZOLL emsCharts - The incident affecting ZOLL Online ECG Case File imports into emsCharts has been resolved. Service has been restored and is operating normally. Affected data is currently being reprocessed to ensure all cases are available for import. Thank you for your patience.
May 15, 11:32 MDT
Investigating - We are currently investigating an issue with ZOLL EKG Imports into emsCharts.
May 15, 10:36 MDT
May 14, 2026

No incidents reported.

May 13, 2026
ZOLL Online Respond - SMS delayed
Resolved - SERVICE RESTORED: ZOLL Online Respond fully operational. The incident affecting SMS notifications in ZOLL Online Respond has been resolved. Service has been restored and is operating normally. Thank you for your patience.
May 13, 14:02 MDT
Monitoring - MONITORING: ZOLL Online Respond A fix has been deployed to the SMS delivery service, and we have verified that notifications are now being delivered. We are monitoring system performance to ensure continued stability. If you continue to experience issues, please contact Support. Next update by 14:25 MDT or sooner upon resolution.
May 13, 13:58 MDT
Identified - ISSUE UPDATE: Cause identified for ZOLL Online Respond We have identified an issue with the SMS delivery. We are currently working on a fix to restore notification delivery to mobile devices. We will provide our next update by 14:10 MDT.
May 13, 13:35 MDT
Update - ISSUE ALERT: ZOLL Online Respond under investigation. Engineering teams are actively investigating the cause of the SMS notification disruption in ZOLL Online Respond. We will provide our next update by 14:35 MDT.
May 13, 13:07 MDT
Investigating - ISSUE ALERT: ZOLL Online Respond under investigation. We are investigating an issue impacting SMS notifications within ZOLL Online Respond. Crews may not receive text notifications for assigned calls on personal mobile devices. Our team is actively working to restore service and will provide our next update by 13:35 MDT.
May 13, 12:37 MDT
May 12, 2026
ZOLL EKG's are lacking the vital signs when importing into emsCharts
Resolved - SERVICE RESTORED: ZOLL emsCharts - The incident affecting ZOLL emsCharts EKG vital signs imports has been resolved. Service has been restored and new imports are processing normally. We are currently processing a backlog of data from the impact period, which may cause a slight delay in those records appearing. Thank you for your patience.
May 12, 18:21 MDT
Monitoring - MONITORING: ZOLL emsCharts fix has been applied and we are currently monitoring system performance as the backlog of vital signs imports processes. Customers should see service returning to normal. If you continue to experience issues, please contact Support. Next update by 17:30 MST or sooner upon change.
May 12, 17:33 MDT
Identified - ISSUE UPDATE: Cause identified for ZOLL emsCharts, The cause of the issue impacting ZOLL emsCharts vital signs imports has been identified. We are currently working on a fix to restore service. We will provide our next update by 17:00 MST.
May 12, 17:13 MDT
Update - ISSUE ALERT: ZOLL emsCharts under investigation. We are continuing to investigate the issue impacting ZOLL emsCharts vital signs imports. Engineering is actively working to identify the cause and restore service. Our next update will be provided by 16:30 MST.
May 12, 16:56 MDT
Update - ISSUE ALERT: ZOLL emsCharts under investigation. We are continuing to investigate the issue impacting ZOLL emsCharts vital signs imports. Engineering is evaluating restoration paths to resume normal service. Our next update will be provided by 16:00 MST.
May 12, 16:26 MDT
Update - ISSUE ALERT: ZOLL emsCharts under investigation. We are investigating an issue with ZOLL emsCharts where vital signs from Zenix or X-Series monitors are not importing as expected. Our engineering team is currently working to identify the cause and restore full functionality. We will provide our next update by 15:30
May 12, 16:00 MDT
Investigating - ZOLL EKG's are lacking the vital signs when importing into emsCharts

We have detected an incident related to our SaaS Online product suite. Our support team is investigating the issue and will provide an initial update within the next 30 minutes.
May 12, 15:25 MDT
May 11, 2026

No incidents reported.

May 10, 2026
ZOLL Dispatch - Service Disruption - intermittent connectivity or performance issues
Resolved - SERVICE RESTORED: ZOLL Dispatch - Service Disruption fully operational. We apologize for any inconvenience. Review underway to prevent recurrence.
May 10, 07:27 MDT
Update - MONITORING: ZOLL Dispatch - Service Disruption fix applied, confirming stability. Final update in 30 minutes. Thanks for standing by.
May 10, 07:14 MDT
Monitoring - MONITORING: ZOLL Dispatch - Service Disruption fix applied, confirming stability. Final update in 30 minutes. Thanks for standing by.
May 10, 06:42 MDT
Update - ISSUE ALERT: ZOLL Dispatch - Service Disruption under investigation. Expect an update within 30 minutes. We value your understanding.
May 10, 06:20 MDT
Investigating - ISSUE ALERT: ZOLL Dispatch - Service Disruption under investigation. Expect an update within 30 minutes. We value your understanding.
May 10, 05:54 MDT
May 9, 2026

No incidents reported.

May 8, 2026

No incidents reported.

May 7, 2026

No incidents reported.

May 6, 2026
Redox VPN message delays
Resolved - This incident has been resolved.
May 6, 17:25 MDT
Update - VPN traffic has been restored, any queued messages are processing now.
For more details see: https://status.redoxengine.com/#
May 6, 17:24 MDT
Investigating - Redox is investigating an issue where some VPN tunnels get errors attempting to deliver messages. If you use a Redox connection, you may experience delays in traffic. For more details, follow Redox at https://status.redoxengine.com/#
May 6, 16:30 MDT
May 5, 2026
ZOLL MCC & @Work inability to schedule trips is under investigation.
Resolved - SERVICE RESTORED: ZOLL ISSUE UPDATE: ZOLL MCC & @Work inability to schedule trips is fully operational. We apologize for any inconvenience. Review underway to prevent recurrence.
May 5, 11:57 MDT
Update - ISSUE UPDATE: Cause identified for ZOLL ISSUE UPDATE: ZOLL MCC & @Work inability to schedule trips is under investigation. Next update in 30 minutes. Thank you for your patience.
May 5, 11:42 MDT
Update - ISSUE UPDATE: Cause identified for ZOLL ISSUE UPDATE: ZOLL MCC & @Work inability to schedule trips is under investigation. Next update in 30 minutes. Thank you for your patience.
May 5, 10:56 MDT
Identified - ISSUE UPDATE: Cause identified for ZOLL MCC & @Work inability to schedule trips is under investigation. Next update in 30 minutes. Thank you for your patience.
May 5, 10:23 MDT
Investigating - ISSUE ALERT: ZOLL MCC & @Work/inability to schedule MCC trips is under investigation. Expect an update within 30 minutes. We value your understanding.
May 5, 09:52 MDT
May 4, 2026

No incidents reported.

May 3, 2026

No incidents reported.

May 2, 2026

No incidents reported.

May 1, 2026

No incidents reported.

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