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Supported Operating Systems

3CX IP PBX is supported on Linux and most versions of Windows.

Below is a list of supported operating systems.

Note: All versions listed are x64 versions, as x32 versions are not compatible with the 3CX PBX or 3CX SBC.

  • Linux Debian 9 (kernel 4.9)
  • Windows 10 (Pro, Enterprise)
  • Windows 2012 and 2012 R2 (Foundation, Essentials, Standard, Datacenter)
  • Windows 2016 (Essentials, Standard, Datacenter)
  • Raspbian Stretch (for 3CX SBC only)

Read more about deciding on which OS is best for your business.

Operating Systems Not Supported or Tested

  • Linux Debian 8 (kernel 3.16)
  • Windows 7 SP1 (Professional, Ultimate, Enterprise)
  • Windows 8 and 8.1 (Pro, Enterprise)
  • Windows 2008 R2 SP1 (Web, Foundation, Standard, Enterprise, Datacenter)

Hardware Requirements

Up to 16 Simultaneous Calls

CPU

Intel® Core™ i3-3210 Processor (3M Cache, 3.20 GHz)

Memory

2GB

HDD

SATA 30GB

Virtualisation

Possible

Network

100/1000Mbit/s

Up to 256 Simultaneous Calls

CPU

Intel® Core™ i7-3770 Processor (8M Cache, up to 3.90 GHz)

Memory

8 – 10GB

HDD

SATA 100GB

Virtualisation

Possible (Requires v15)

Network

1Gbit/ 10Gbit

Up to 64 Simultaneous Calls

CPU

Intel® Core™ i3-3210 Processor (3M Cache, 3.20 GHz)

Memory

4GB

HDD

SATA 60GB

Virtualisation

Possible

Network

100/1000Mbit/s

Up to 1,024 Simultaneous Calls

CPU

Intel Xeon CPU – E5405 2.00 Ghz 2.00 Ghz 2 Processors

Memory

16GB

HDD

SATA 500GB

Virtualisation

Possible (Requires v15)

Network

1Gbit/ 10Gbit

Extra Requirements

Voicemail & Recording – 1MB is added for every 60 seconds of recorded audio.

Logging – On a busy 3CX phone system, logging can potentially take up to 1GB/ day. Every 5000 calls logging in full verbosity mode will take up 2GB HDD space.

Note:

Many small to medium size businesses are opting to create 3CX IP PBX appliances with Mini PCs as a cost and space-effective alternative.