CallTower experienced a minor incident on July 15, 2026 affecting Microsoft Teams - Direct Routing and Microsoft Operator Connect, lasting 1d 1h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jul 15, 2026, 04:39 PM UTC
CallTower is investigating reports of the Dial by Name feature not working for some of our Operator Connect customers. We have opened a case with Microsoft to help investigate this 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 30 minutes, unless identified otherwise. This issue is being investigated as a top priority.
- investigating Jul 15, 2026, 05:43 PM UTC
CallTower engineers continue to investigate the issue affecting Dial by Name functionality for a subset of Teams Operator Connect customers. We remain actively engaged with Microsoft and continue to escalate the matter to assist in identifying the underlying cause and restoring normal service as quickly as possible. *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 60 minutes, unless identified otherwise. This issue is being investigated as a top priority.
- investigating Jul 15, 2026, 07:01 PM UTC
CallTower engineers continue to work with Microsoft to investigate the Dial by Name issue affecting some Teams customers. The issue remains under active review, and escalation efforts are ongoing as both teams analyze available diagnostic information. We will share additional updates as soon as new information becomes available and thank you for your patience while this investigation continues. *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 60 minutes, unless identified otherwise. This issue is being investigated as a top priority.
- resolved Jul 16, 2026, 06:31 PM UTC
Microsoft has reported that they have implemented a fix for the issue affecting Dial by Name functionality for Microsoft Teams customers. Following the deployment of the fix, CallTower engineers have completed validation testing across multiple customer tenants and have confirmed that the service is functioning as expected. If you are still experiencing issues, please reach out to [email protected]. CallTower will be closing this master case and all associated cases.