System Requirements

Platforms supported*

• Windows 11
• Windows 10, Windows 10 64-bit
• Windows Server 2022, Windows Server 2019, Windows Server 2016
• Windows 8.1, Windows 8.1 64-bit, Windows Server 2012 R2 **
• Windows 8, Windows 8 64-bit, Windows Server 2012 **
• Windows 7, Windows 7 64-bit, Windows Server 2008 R2 **

Additional system requirements

• Intel-compatible PC with 32-bit or 64-bit (x64) processor
• Microsoft.NET Framework 4.5 or later
• Windows Fax Service (Windows Fax and Scan) installed
• Windows Photo Viewer installed, optional
• Adobe Acrobat Reader 11, Reader DC 2023 or earlier versions, optional
• Acrobat Wrapper v.11.2.0.51 or later versions (to use PDF files as attachments with Mail to Fax), optional
• IrfanView Software (to view faxes stored in the SFF format), optional

Fax Software compatibility

• Windows Fax Service (Windows Fax and Scan)

Recommended VOIP service providers

• T38FAX (T.38 support)
• CALLCentric (T.38 support)
• babyTEL (T.38 support)
• MondoTalk (T.38 support)
• DellMont (Betamax): VoipBuster, Nonoh and other (Fax over G.711 codec only, quality depends on your country)

SIP PBX Software compatibility

• Axon PBX
• 3CX VOIP Phone System (Enterprise Edition)

H.323 Software compatibility

• GNU Gatekeeper
• SoLink Control Server

Network requirements

• Network connection from the local computer to the SIP or H.323 server

Notes

• (* : FaxVoip Software does not guarantee the correct operation of the program when you install software on Virtual Machine of any type. In the case of specific problems in such installations, technical support is not provided.
• (** : Limited support. Some features may not work or work incorrectly. Windows 7 and Windows 8/8.1 are no longer supported by Microsoft.

• (*** : The maximum allowed number of fax devices that can be used with Windows Fax Service depends on the operating system. On Windows 11, Windows 10, Windows 8/8.1 and Windows 7 the fax device limit is one. On Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012/2012R2, Windows Server 2008R2, Enterprise or Datacenter Edition, there is no fax device limit. On other versions of Windows 2008R2, the fax device limit is usually four. Be careful when purchasing multi-line licenses.