3CX Phone System becomes operational immediately because it is already preconfigured and easy to integrate with the main SIP trunk providers. Through its modern console it is possible to create, edit or delete extensions, update phone firmware, remotely provision and reboot IP phones, perform integrations with the main server-side CRMs.
Deployment can be done in the cloud through major providers or locally (on premise) installed on Windows or Linux servers.
PBX adopts security standards, the security features built into 3CX are developed to protect the PBX from all kinds of attacks.
With 3CX the savings on your bills are significant, the licensing is based on the number of simultaneous calls and not on extensions, you do not incur costs per extension but pay for the whole PBX.
Through the downloadable APP on Android and iOS you will have your extension available at all times.