Originally PBX phone systems were only available to enterprises ... in the private cloud via a platform like Amazon Web Services, Google Cloud, or Microsoft Azure; and through 3CX hosting.

A VoIP-based PBX system that is hosted by a service provider over the Internet. All phone features such as auto attendant, voicemail and conference calling are handled in the cloud PBX datacenter.

3CX is the place to go for the best IP PBX ... cloud or hosted by 3CX. For this early review, Phone System V20 was only available for Debian Linux 12 so we chose to virtualize it on the lab’s ...

Many organizations selected Microsoft Teams as their collaboration ... However, not all direct routing solutions offer the same core PBX capabilities, business app integrations, global coverage ...