Outbound Calls Failing for CT Cloud SIP Customers

The CallTower Engineering team has resolved an issue with customers using a limited selection of routes for increased T.38 compatibility. CallTower Support has tested several trunks and has confirmed the outbound issue to be 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.

CallTower Engineering is actively investigating the issue causing outbound call failures with CT Cloud SIP. CallTower Support has set the trunk's outbound configuration to default as a workaround until a permanent resolution can be established.

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. 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.

CallTower is investigating multiple reports of outbound calls failing for SIP trunking customers.

*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. 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.