Windows
The Amion desktop scheduler, OnCall, runs under Windows 7, 8, Vista, XP, NT and Windows 10.

Macs
OnCall can run on Macs using Winebottler. You can also use a Windows emulator such as Parallels Desktop and VMware Fusion. Or access OnCall remotely by using subscription sites such as GoToMyPC.com.

Networks
You can install the scheduler on a Network or run it under a Citrix environment.

Online
Online features such as viewing schedules, submitting work requests, online editing, and swaps, and sending personal schedules to a PDA work with internet browsers on any platform.