PBX For windows

The Mizu Windows PBX is a feature rich compact VoIP server application, focusing on IP-PBX functionalities, capable to handle all the telecom needs of your company. The PBX was designed to handle the tasks a traditional telephone system does, but all on IP based, so you can forgot about specialized hardware and just let everything to run on a cheap Windows box, with easy to use setup and configuration wizard. The software is based on the high performance mizu VoIP softswitch stack implemented in native C/C++ with optimized media paths to minimize RTP delays. Once installed, it will run as a standard NT service and you can manage all its aspects from an easy to use graphical user interface.

Download webphone package


The Windows PBX was designed to handle all the communication needs of a company:
-Easy setup and configuration wizard and GUI-Based Management
-Free, limitless conversations between company employees
-Cheap outbound calls via SIP trunks to any provider(s)
-Compatible with any SIP client over UDP, TCP or TLS
-WebRTC (optional)
-Push notifications (optional)
-Wide codec support including HD wide-band Opus, G.729 and all the other popular codec's
-Unified communication: voice, video, presence, chat, SMS
-Class 5 PBX features such as voice mail or conferencing
-All common telephony features: call hold, wait, forward, transfer, fork and many others
-Integrated prepaid/postpaid billing
-Extra features such as voice recording, transcoding, callback, click to call, black lists, auto call retry/reroute and many others
-Softphone for Windows, Web, Android, iOS with your branding (optional)
-Minimal maintenance: once it is configured, you can forgot about it
-Integration with other software or service via the API
-Dedicated mizutech support (optional)
-Screenshots about the admin user interface
-Many other features
-Doesn't include some advanced VoIP business related softswitch features



Instead of a high cost per user license often seen on the market, we are pleased to offer a more generous simple licensing:

  Free Standard Advanced Gold
Maximum simultaneous calls 5 30 600 unlimited
Maximum number of users 25 300 10000 unlimited
License Life-time Life-time Life-time Life-time
Features Standard Standard Advanced Advanced+
Cost $0 $1990 $5,900 $9,900
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All prices are in USD for life-time license. You can find the other payment options here.


System Requirements

  • Any Windows OS: Windows server 2003, 2008, 2016, 2019, 2022, 7, Vista, 10, 11 (both 32 and 64 bit versions are supported)
  • Hardware:
    • For the Standard version with 30 simultaneous calls: any CPU and memory on which you can barely start Windows (such as an old 2 core Intel CPU with 2 GB RAM)
    • For the Advanced version with 600 simultaneous calls: some cheap/best-buy 4 core CPU and minimum 4 GB RAM
  • At least 300 MB free disk space
  • It can be run also from a virtual machine, such as Hyper-V or VMWare
  • A good quality internet connection for external lines (You will need at least around 4 mbits for 100 channels)
  • More details


SetUP PBX FOR Windows

  1. Download PBX For Windows
  2. Launch the installer and follow the configuration wizard
  3. Check the PBX for Windows Tutorial (PDF | WinHelp | Online)
  4. More documentation