Latest VoIP PBX appliance by Xorcom - Swift FXO - innovative compact PBX, static cooling, no moving parts, completely silent, 16x smaller shipping volume, cost-effective appliance, with up to 200 concurrent calls. Learn more at https://www.xorcom.com/compact-ip-pbx-system/ The Swift PBX system reaches new performance heights and serves a wide range of needs. It can outperform significantly larger systems while staying small, quiet, and efficient. Swift FXO IP PBX is an optimal phone system solution, for any kind of business - from small office to enterprise.