CallTower has continued to monitor the issue following this morning's patch and has confirmed customers are successfully provisioning Direct Routing (DR) users in CallTower Connect for GCC High customers. This issue is now 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.
Posted Sep 17, 2026 - 13:02 MDT
Monitoring
CallTower deployed a corrective patch early this morning to resolve the issue affecting Direct Routing (DR) user provisioning in CallTower Connect for GCC High tenants. CallTower is currently monitoring the environment to confirm the issue has been fully resolved.
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 support@calltower.com. This issue is being investigated as a top priority.
Posted Sep 17, 2026 - 09:12 MDT
Identified
CallTower engineers have identified the root cause of the issue affecting Direct Routing (DR) user provisioning in CallTower Connect for GCC High customers. A corrective patch will be implemented after business hours this evening. For customers requiring immediate assistance, CallTower Support has a temporary workaround available. Please reach out to support@calltower.com for assistance.
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 support@calltower.com. This issue is being investigated as a top priority.
Posted Sep 16, 2026 - 16:58 MDT
Investigating
CallTower is currently investigating an issue affecting the provisioning of Direct Routing users in CallTower Connect for GCC High tenants. Customers may experience errors when assigning DIDs or validating Voice Apps in GCC High environments.
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 support@calltower.com. This issue is being investigated as a top priority.
Posted Sep 16, 2026 - 16:13 MDT
This incident affected: Microsoft (Microsoft Teams - Direct Routing).