ESI had 11 outages in the last 2 years totaling 254h 51m of downtime — averaging 0.5 incidents per month.
There were 11 ESI outages since October 20, 2025 totaling 254h 51m of downtime. Each is summarised below — incident details, duration, and resolution information.
ESI is investigating a platform issue that is causing registration errors for SIP trunk customers. Our platform operations team is working to identify the root cause.
We've now resolved the incident. Thanks for your patience. If your trunk is still failing to register please contact ESI support for a password update to the trunk config.
ESI is investigating a network issue that is causing outbound calls to fail. We will update this message as more details become available.
We've now resolved the incident. Thanks for your patience.
ESI engineers are currently responding to an unplanned network issue and have implemented failover procedures to maintain service availability. At this time, services are operating on backup systems and networks, and customers should not experience any interruption to service. Our team continues to actively monitor the situation and work toward full restoration of normal operations. If you are experiencing any service-related issues, please contact the ESI Support Team for assistance. We will provide additional updates as they become available.
ESI engineers have resolved the network issue previously reported, and all services have been fully restored to normal operating conditions. We are continuing to monitor the environment to ensure ongoing stability.
Users receive an error when trying to add Enterprise Meetings under the Video Conference field in Google Calendar. Follow the suggested workaround until this is resolved 1. Access your Enterprise Meetings web-based dashboard 2. Copy the Personal Meeting Room link found in the upper left corner of the screen. 3. When creating a Google Calendar appointment paste this link in the Location field. Attendees will see this link in the invite.
We've now resolved the incident. Thanks for your patience.
We've now resolved the incident. Thanks for your patience.
We've now resolved the incident. Thanks for your patience.
Service Impact: Core Voice & SMS: Fully Operational. All inbound and outbound calling remains unaffected. Portal Access: The eTeams plugin remains impaired. Workaround: As a reminder, all administrative and user portal functions are fully accessible via any standard web browser. Please use this method for all portal-related tasks while we continue to work toward a resolution for the Teams integration. Next Steps: Our team is working toward isolating the specific conflict. We will provide further information as the investigation progresses.
We've now resolved the incident. Thanks for your patience.
Verizon has confirmed that their nationwide network issues have been fully resolved and all Verizon services are now operating normally. Any call disruptions between Verizon and ESI services should now be cleared. ESI’s platform remained fully operational throughout the event.
We've now resolved the incident. Thanks for your patience.
We've now resolved the incident. Thanks for your patience.