Call4tel manufacturers 3CX PBX appliances that are 3CX Certified and come pre-loaded with the latest version of 3CX and Linux. Easily managed from a cloud portal, makes adding, editing, and maintaining multiple devices effortless. They can accommodate any business size from 150-800 users.  

Apart from PBX Appliances Call4tel offers SBCs, dual failover brackets, and high availability appliances for 3CX.