Call Tower experienced a critical incident on August 15, 2025 affecting CT Cloud SIP and CT Cloud Voice, lasting 8h 53m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 15, 2025, 06:52 PM UTC
CallTower Support is investigating multiple reports of issues with the CT Cloud Voice EAS service. This service affects Commportal, Voicemail, Auto Attendants, Call Park, etc. CallTower Support has not identified/confirmed there is an issue on our network or with our services. CallTower has opened a master case to investigate this issue as it has been reported by more than one CallTower customer. This issue may or may not directly affect your services and is currently under investigation. If you are affected, please report the issue to [email protected]. CallTower intends to post updates on status.calltower.com approximately every 30 minutes, unless identified otherwise. This issue is being investigated as a top priority.
- monitoring Aug 15, 2025, 07:40 PM UTC
CallTower Engineering transferred CT Cloud Voice services from CHI to DAL. CallTower Support has confirmed the functionality of CT Cloud Voice services from multiple customers and will continue to monitor. CallTower has opened a master case to investigate this issue as it has been reported by more than one CallTower customer. This issue may or may not directly affect your services and is currently under investigation. If you are affected, please report the issue to [email protected]. CallTower intends to post updates on status.calltower.com approximately every 30 minutes, unless identified otherwise. This issue is being investigated as a top priority.
- monitoring Aug 15, 2025, 08:29 PM UTC
CallTower Support is actively monitoring the CT Cloud Voice Services issue following the move from CHI to DAL. Meanwhile, CallTower Engineering is working on implementing a permanent fix to fully resolve the issue. CallTower has opened a master case to investigate this issue as it has been reported by more than one CallTower customer. This issue may or may not directly affect your services and is currently under investigation. If you are affected, please report the issue to [email protected]. CallTower intends to post updates on status.calltower.com approximately every 2 hours, unless identified otherwise. This issue is being investigated as a top priority.
- monitoring Aug 15, 2025, 11:08 PM UTC
CallTower Support is actively monitoring the CT Cloud Voice Service issue. All services have now been restored following the transition from CHI to DAL. Meanwhile, CallTower Engineering is fully engaged in resolving the remaining API issue, which is critical for maintaining connectivity with both Connect and Metaview Web Services. CallTower has opened a master case to investigate this issue as it has been reported by more than one CallTower customer. This issue may or may not directly affect your services and is currently under investigation. If you are affected, please report the issue to [email protected]. CallTower intends to post updates on status.calltower.com approximately every 4 hours, unless identified otherwise. This issue is being investigated as a top priority.
- resolved Aug 16, 2025, 03:46 AM UTC
CallTower Support has not had any further reports of the issue with CT Cloud Voice Services. CallTower Engineering continues to work through the issue with Connect and Metaview Web Services. However, these do not have a customer service impact. This issue will be considered resolved. CallTower will be closing this master case and all associated cases. Within three business days, an Official Root Cause Analysis (RCA) or a Preliminary RCA will be available and provided to customers upon request.