4pm Update: The underlying issue causing the Cloud PBX outage has been identified. Our specialists are working on a solution. We expect that the system will be live again for all customers in a short time. 

4:30pm Update: The Cloud PBX service issue has been resolved. The number of registered phones is almost on a normal level again, but some partial disruptions still may occur.

5:00pm Update: The Cloud PBX service issue has been resolved. Both inbound and outbound traffic is working normally.