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