NFON AG Outage History

NFON AG is up right now

NFON AG had 10 outages in the last 2 years totaling 59h 3m of downtime — averaging 0.4 incidents per month.

There were 10 NFON AG outages since February 16, 2026 totaling 59h 3m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.nfon.com

Minor October 2, 2026

Cloudya Apps – Login and Telephony Issues

Detected by Pingoru
Oct 02, 2026, 06:00 AM UTC
Resolved
Oct 02, 2026, 03:57 PM UTC
Duration
9h 57m
Affected: Business TelephonyCloud Telephony AppSuiteAdministration
Timeline · 6 updates
  1. investigating Oct 02, 2026, 06:18 AM UTC

    We are currently experiencing issues affecting the Cloudya Web, Desktop, and Mobile Apps. Some users may be unable to log in, while others may experience unavailable telephony functionality after successfully logging in. Our technical teams are actively investigating the issue and working to restore normal service as quickly as possible. We will provide further updates as soon as more information becomes available.

  2. investigating Oct 02, 2026, 07:01 AM UTC

    Our technical teams continue to investigate the issues affecting the Cloudya Apps and are working with high priority to restore normal service. Users may still experience login issues or unavailable telephony functionality. In addition, the user management portal at https://accounts.nfon.com/ is currently unavailable. We will provide further updates as soon as new information becomes available.

  3. investigating Oct 02, 2026, 07:09 AM UTC

    Our investigation has confirmed that the SIP Trunk administration portal at https://siptrunk.nfon.com/ is also affected by the ongoing incident and is currently unavailable. Our technical teams continue to work with high priority to restore all affected services. We will provide further updates as soon as new information becomes available.

  4. investigating Oct 02, 2026, 07:26 AM UTC

    We are seeing continued improvements, and the affected services should now be available again for most users. Some users may still experience intermittent issues while our technical teams continue working to fully restore service stability. We are closely monitoring the situation and will provide further updates as recovery progresses.

  5. monitoring Oct 02, 2026, 07:53 AM UTC

    The affected services are currently operating normally, and we are no longer observing any significant service disruptions. Our technical teams continue to monitor the situation closely while investigating the underlying cause of the incident. We will provide further updates if the situation changes or once additional information becomes available.

  6. resolved Oct 02, 2026, 03:57 PM UTC

    The incident has been resolved since about 07:30 UTC, and all affected services are operating normally. We have continued to monitor the platform and have not observed any further disruptions with this service. We apologize for the inconvenience caused and thank you for your patience and understanding.

Read the full incident report →

Minor August 25, 2026

Partial Disruption of Outbound Telephony for German Trunks

Detected by Pingoru
Aug 25, 2026, 07:56 AM UTC
Resolved
Aug 25, 2026, 10:41 AM UTC
Duration
2h 44m
Affected: CarrierGermany
Timeline · 4 updates
  1. investigating Aug 25, 2026, 07:56 AM UTC

    Outbound telephony for German trunks is currently partially impaired. Our technical team is already working with high priority to identify and resolve the issue as quickly as possible. We apologize for any inconvenience and will provide further updates as soon as more information becomes available.

  2. investigating Aug 25, 2026, 08:32 AM UTC

    Outbound calls to mobile networks have been restored in the meantime. Our technical team is still working with high priority to resolve the remaining issues affecting outbound telephony for German trunks. We will provide further updates as soon as more information becomes available.

  3. monitoring Aug 25, 2026, 08:41 AM UTC

    The issue affecting outbound telephony for German trunks has been fully resolved. All services are operating normally again. We will continue to monitor the situation closely to ensure ongoing stability.

  4. resolved Aug 25, 2026, 10:41 AM UTC

    The issue affecting outbound telephony for German trunks has been fully resolved. All services are fully available.

Read the full incident report →

Minor August 5, 2026

Incoming Call Issues

Detected by Pingoru
Aug 05, 2026, 06:40 AM UTC
Resolved
Aug 05, 2026, 09:55 AM UTC
Duration
3h 14m
Affected: Business TelephonyCloud Telephony InfrastructureCustomer EngagementContact Center
Timeline · 4 updates
  1. investigating Aug 05, 2026, 06:40 AM UTC

    We have received reports that some customers are currently unable to receive incoming calls. Our technical team is actively investigating the issue. We will provide further updates as soon as more information becomes available.

  2. investigating Aug 05, 2026, 07:00 AM UTC

    The cause of the issue has been identified, and our technical department is working on a resolution. We will provide further updates as soon as more information becomes available.

  3. monitoring Aug 05, 2026, 07:33 AM UTC

    The issue was resolved at approximately 09:07 CEST, and customer tests have confirmed that incoming calls are working again. We are continuing to monitor the service.

  4. resolved Aug 05, 2026, 09:55 AM UTC

    The issue was resolved at approximately 09:07 CEST. Customer tests have confirmed that incoming calls are working as expected, and subsequent monitoring has shown no further service disruption. This incident is now considered resolved.

Read the full incident report →

Minor August 4, 2026

Incident 244804

Detected by Pingoru
Aug 04, 2026, 02:48 PM UTC
Resolved
Aug 04, 2026, 02:58 PM UTC
Duration
9m
Affected: Business TelephonyCloud Telephony AppSuiteAdministrationCustomer EngagementContact Center
Timeline · 1 update
  1. scheduled Aug 04, 2026, 02:11 PM UTC

    relate to: KB3EH Küppersbusch Hausgeräte GmbH KC69P ad hoc holding GmbH KBBQH AGCO GmbH KBTT7 TOGETHER CCA GmbH KAIDX Huppenkothen GmbH KA9HR GCH Hospitality GmbH KCAHR MPG GmbH KCDJ9 webesan KC76J Stapper Jacobi_Schaedlich KBB9J WienerSozialdienste KC2K1 Plandent KC4CT Spängler KAWTV Lebenswert Betreuungs GmbH KCEB3 TGZ KA73H Dialog Telekom KCR6D MACH Energiegesellschaft As part of our ongoing efforts to improve our systems and optimise stability, security and performance, we are carrying out a scheduled maintenance window. The maintenance work will take place on: Start: Thu 11 Aug 2026 22:00 End: Thu 11 Aug 2026 23:59 During the maintenance window, you may experience temporary restrictions or brief interruptions whilst using the system. We will endeavour to minimise the impact as much as possible and to complete the work within the scheduled timeframe. Once the maintenance work is complete, the system will be available to you as usual.

Read the full incident report →

Minor August 3, 2026

Mobile App Login and Admin Portal Issues

Detected by Pingoru
Aug 03, 2026, 09:00 AM UTC
Resolved
Aug 03, 2026, 02:12 PM UTC
Duration
5h 12m
Affected: Business TelephonyCloud Telephony AppSuiteAdministration
Timeline · 4 updates
  1. investigating Aug 03, 2026, 09:53 AM UTC

    We are currently investigating an issue affecting login attempts in the Cloudya Mobile App. Some users are unable to log in successfully. In some cases, changes in the Admin Portal may also not be possible. Our technical teams are working to identify the cause and resolve the issue as quickly as possible. We apologize for the inconvenience.

  2. investigating Aug 03, 2026, 10:56 AM UTC

    We are continuing to investigate the issue affecting the setup of new devices and configuration changes in the Admin Portal and Cloudya Apps. We are currently seeing a slight improvement. However, some users may still experience issues when setting up devices or applying configuration changes, including changes to call forwarding profiles. Our technical teams are continuing to work on restoring full functionality.

  3. monitoring Aug 03, 2026, 12:04 PM UTC

    The issues affecting Cloudya Mobile App logins and configuration changes, such as call forwarding settings, have been resolved. We are continuing to monitor the affected systems to ensure that the services remain stable.

  4. resolved Aug 03, 2026, 02:12 PM UTC

    The issues affecting Cloudya Mobile App logins, device provisioning, and configuration changes such as call forwarding settings were resolved at approximately 2:00 PM CEST.

Read the full incident report →

Major July 31, 2026

Partial Service Disruption Affecting NFON Services

Detected by Pingoru
Jul 31, 2026, 05:50 AM UTC
Resolved
Aug 01, 2026, 10:03 AM UTC
Duration
1d 4h
Affected: Business TelephonySIP TrunkCloud Telephony InfrastructureCloud Telephony AppSuiteAdministrationIntelligent AssistantAI EssentialsNia FrontdeskCustomer EngagementCall MonitoringCall RecordingContact Center
Timeline · 7 updates
  1. investigating Jul 31, 2026, 06:45 AM UTC

    We have identified an issue affecting NFON services. Both telephony and other related services may be impacted. Our technical teams are investigating the issue.

  2. investigating Jul 31, 2026, 07:03 AM UTC

    We are making progress in resolving the issue and are beginning to see a gradual improvement in service availability. Our technical teams continue to monitor the situation closely and are working to fully restore all affected services.

  3. investigating Jul 31, 2026, 07:39 AM UTC

    Core telephony services are generally available. A limited number of virtual PBXs hosted in FRA may be affected, and some CCHub systems are currently under investigation. Customers may also experience issues accessing voicemail and other related services. Our technical teams are continuing to investigate and restore full service availability.

  4. investigating Jul 31, 2026, 08:32 AM UTC

    Core telephony services remain largely available. However, some customers may still experience intermittent issues when accessing Cloudya, contacts, the Admin Portal, and related backend services, including occasional 500, 502, or authentication errors. Our technical teams are continuing to stabilize the affected components. Reloading the application may temporarily restore access, but the incident is not yet fully resolved

  5. investigating Jul 31, 2026, 09:29 AM UTC

    Core telephony services remain largely available, and the overall situation has continued to improve. However, some customers may still experience intermittent delays or errors when accessing Cloudya, contacts, device provisioning, SIP registration, and portal-related services. Our technical teams have identified performance issues affecting the Service Portal API and its database backend. Mitigation measures are showing positive results, and we continue to closely monitor and stabilize the affected components. The incident is not yet fully resolved.

  6. monitoring Jul 31, 2026, 10:31 AM UTC

    The platform is stable again, and service availability has significantly improved. A small number of minor bottlenecks may still cause occasional delays in some backend-related functions. Our technical teams have implemented mitigation measures and are continuing to monitor the affected components closely. We are moving the incident to monitoring while we verify sustained stability.

  7. resolved Aug 01, 2026, 10:03 AM UTC

    The general incident was resolved on 31 July 2026 at 11:45 CEST, when service was restored for most affected customers. However, during the monitoring phase, a small number of isolated service issues were identified. These issues have since been resolved.

Read the full incident report →

Minor July 7, 2026

Sporadic Login Issues with Cloudya Web, Mobile and Desktop Apps

Detected by Pingoru
Jul 07, 2026, 10:07 AM UTC
Resolved
Jul 07, 2026, 10:38 AM UTC
Duration
30m
Affected: Business TelephonyCloud Telephony AppSuite
Timeline · 3 updates
  1. investigating Jul 07, 2026, 10:07 AM UTC

    We are currently experiencing sporadic login issues affecting the Cloudya Web, Mobile and Desktop Apps. Some users may be temporarily unable to sign in. Our specialist teams are already working on resolving the issue as quickly as possible. We apologize for the inconvenience.

  2. monitoring Jul 07, 2026, 10:18 AM UTC

    the sporadic login issues affecting the Cloudya Web, Mobile and Desktop Apps have been resolved. Users should now be able to sign in again as usual. We apologize for any inconvenience caused and thank you for your patience.

  3. resolved Jul 07, 2026, 10:38 AM UTC

    The sporadic login issues have been resolved. Users should now be able to sign in again as usual. We apologize for the inconvenience and thank you for your patience.

Read the full incident report →

Minor May 12, 2026

Temporary Service Limitations

Detected by Pingoru
May 12, 2026, 05:40 AM UTC
Resolved
May 12, 2026, 09:53 AM UTC
Duration
4h 13m
Affected: Business TelephonySIP TrunkCloud Telephony InfrastructureCloud Telephony AppSuite
Timeline · 4 updates
  1. investigating May 12, 2026, 06:05 AM UTC

    We are currently experiencing service limitations and delays affecting parts of the NFON platform. Our technical teams are working with the highest priority to identify the root cause, stabilize the systems, and restore normal operations as quickly as possible. Impacted services may include intermittent availability issues, login problems, or degraded platform performance.

  2. investigating May 12, 2026, 06:38 AM UTC

    Our technical teams continue to work on resolving the ongoing platform issues. While stabilization efforts are showing initial improvements, some users may still experience intermittent service limitations, login issues, or degraded performance. We remain focused on fully restoring normal operations and will provide further updates as more information becomes available.

  3. monitoring May 12, 2026, 06:53 AM UTC

    The implemented mitigation measures are showing positive results and services are currently stabilizing. Our teams continue to actively monitor the NFON platform to ensure service availability and performance. Further updates will be provided if necessary.

  4. resolved May 12, 2026, 09:53 AM UTC

    We would like to inform you that the issue has been resolved and all affected systems are now operating normally again. Since about 08:35 CEST / 06:35 UTC we have not observed any further errors. We will continue to monitor the situation closely. We apologise for any inconvenience caused and appreciate your patience. Should you encounter any further issues, please do not hesitate to contact us. Additionally, for urgent matters, you may reach us by sending an email to [email protected]

Read the full incident report →

Minor April 20, 2026

Nia Frontdesk Service Unavailable

Detected by Pingoru
Apr 20, 2026, 06:40 AM UTC
Resolved
Apr 20, 2026, 08:28 AM UTC
Duration
1h 48m
Affected: Intelligent AssistantNia Frontdesk
Timeline · 2 updates
  1. investigating Apr 20, 2026, 07:25 AM UTC

    We are currently experiencing an issue affecting the Nia Frontdesk service, which is currently unavailable. All incoming calls are currently being routed to the configured failover target. Our technical teams are actively working to resolve the issue as quickly as possible. The duration of the incident is currently unknown. We will provide updates as soon as more information becomes available.

  2. resolved Apr 20, 2026, 08:28 AM UTC

    The issue affecting the Nia Frontdesk service has been resolved. The service is now fully operational and available without restrictions. We apologize for any inconvenience this may have caused and appreciate your patience.

Read the full incident report →

Minor February 16, 2026

WebApp – Intermittent Availability Issues

Detected by Pingoru
Feb 16, 2026, 08:30 AM UTC
Resolved
Feb 16, 2026, 11:27 AM UTC
Duration
2h 57m
Affected: Business TelephonyCloud Telephony AppSuite
Timeline · 3 updates
  1. investigating Feb 16, 2026, 08:30 AM UTC

    We are currently experiencing intermittent availability issues with the telephony WebApps. The Desktop- and mobile apps work in general but may experience side effects. We will provide further updates as soon as more information becomes available.

  2. monitoring Feb 16, 2026, 09:05 AM UTC

    The intermittent availability issues affecting parts of the AppSuite have been successfully resolved. All applications, including the WebApp, Desktop App, and mobile apps, are now fully operational and available without restrictions.

  3. resolved Feb 16, 2026, 11:27 AM UTC

    The incident has been resolved. All systems are fully operational and available without restrictions. Thank you for your patience.

Read the full incident report →