System Requirements

XCAPI is a “plug and play”- solution – simple, fast installation with instant availability for VoIP use at the highest quality level.

Your IT equipment will be as individual as your company. XCAPI will adapt to anything!

The facts to keep in mind are:

  • the application you are using
  • the number of channels to used simultaneaously and
  • the codecs to be used

Very special configurations and the particularities involved are dealt with in our TechNotes, which are constantly being updated and adapted. You will find these in our Community at If you do not find information covering your specific problem, please feel free to contact us: Individual customer solutions are part of our service!

Telephone System

  • SIP
  • H.323
  • SIP-Provider


  • at least 1 GHz clock rate
  • at least 512 MB RAM

Operating System
(32/64 bit, respectively)

  • Windows Server 2022
  • Windows Server 2019
  • Windows Server 2016
  • Windows Server 2012
  • Windows Server 2012 R2
  • Windows Server 2008 R2
  • Windows 11
  • Windows 10


  • CAPI 2.0-compatible application
  • SDK

Supported virtualization solutions

  • VMware ESX
  • Citrix XenServer
  • Microsoft Hyper-V

Supported cloud virtualization solutions

  • Microsoft Azure
  • Amazon Web Services (AWS)