CallTower incident

Teams Direct Routing (GCC High) — DID Assignment and Voice App Provisioning Errors

Major Ongoing View vendor source →

CallTower is currently experiencing a major incident affecting Microsoft Teams - Direct Routing, which began 18h ago. The vendor's full update timeline is below.

Started
Sep 16, 2026, 10:13 PM UTC
Resolved
Ongoing
Duration
● 17h 34m
Detected by Pingoru
Sep 16, 2026, 10:13 PM UTC

Affected components

Microsoft Teams - Direct Routing

Update timeline

  1. investigating Sep 16, 2026, 10:13 PM UTC

    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 [email protected]. This issue is being investigated as a top priority.

  2. identified Sep 16, 2026, 10:58 PM UTC

    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 [email protected] 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 [email protected]. This issue is being investigated as a top priority.

  3. monitoring Sep 17, 2026, 03:12 PM UTC

    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 [email protected]. This issue is being investigated as a top priority.