Cloud PBX Connectivity and Calling Issues

Update timeline

1. investigating Oct 22, 2026, 08:18 AM UTC

   NFON is currently investigating reports from customers experiencing issues with their telephony services. Reported symptoms include phones appearing offline and difficulties making or receiving calls. The scope and underlying cause of the issue are currently under investigation. Our technical teams are actively investigating the situation. We will provide further updates as more information becomes available. We apologize for any inconvenience caused.

2. investigating Oct 22, 2026, 08:25 AM UTC

   Our technical teams have identified issues affecting parts of our telephony infrastructure, which may result in phones appearing offline or difficulties making and receiving calls. Initial observations indicate that the situation is improving. However, investigations and recovery efforts are still ongoing. We will continue to monitor the situation closely and provide further updates as more information becomes available.

3. investigating Oct 22, 2026, 08:31 AM UTC

   The issues affecting NFON SIP-Trunk 1.0 have been resolved, and the service has been restored. SIP Trunk Flexx was not affected by this incident. However, customers using our Cloud PBX services may still experience phones appearing offline or difficulties making and receiving calls. Our technical teams are continuing to investigate and resolve the remaining issues. We will provide further updates as the situation progresses. We apologize for the continued inconvenience.

4. investigating Oct 22, 2026, 09:05 AM UTC

   We are seeing continued progress in restoring our Cloud PBX services, with an increasing number of customers reporting that their phones are successfully registering again. While service availability is gradually improving, some customers may still experience intermittent connectivity and calling issues. Additionally, despite the previously reported recovery, some issues with NFON SIP-Trunk 1.0 are still occurring. SIP Trunk Flexx remains unaffected. Our technical teams are continuing their efforts to fully restore all affected services and ensure reliable operation. We apologize for the ongoing inconvenience and will provide further updates as the situation progresses.

5. monitoring Oct 22, 2026, 09:43 AM UTC

   Our telephony services have largely recovered, and overall service availability has significantly improved. While most services should now be operating normally, some customers may still experience isolated connectivity or calling issues. Our technical teams are continuing their efforts to fully restore and stabilize all affected services while closely monitoring the situation. Once service stability has been fully restored, we will conduct a comprehensive root cause analysis and identify measures to help prevent similar incidents in the future. We apologize for the disruption and appreciate your patience and understanding.

6. resolved Oct 22, 2026, 01:39 PM UTC

   The issues affecting our Cloud PBX services and NFON SIP-Trunk 1.0 have been resolved, and all affected services should now be operating normally. Our technical teams will continue to closely monitor the infrastructure to ensure ongoing service stability. A comprehensive root cause analysis will follow to identify the underlying causes and determine appropriate measures to help prevent similar incidents in the future. We sincerely apologize for the disruption and thank you for your patience and understanding.