VitalPBX (Asterisk) Enterprise IP PBX (Mini Appliance)

It comes in a mini server appliance equipped with high grade enterprise server components, including a Quad-Core CPU and 4GB RAM, with 64 GB SSD storage space ample enough to maintain your IP PBX functions.
It also features Dual Gigabit NIC.
With this much power, it easily handles up to 100 concurrent calls and register up to 800 Extensions.
VitalPBX software is the Open Source version of the top-of-the-shelf Xorcom CompletePBX, which itself is based on Asterisk, an open source Unified Communications software.
When you purchase a VitalPBX appliance, you don’t pay per concurrent call or per extension!
There is no required maintenance, per user fees, or upgrade insurance to purchase.
Wavesat does recommend the purchase of a support contract to help you with your initial installation and setup of your new VitalPBX appliance, but our support option is tailored to fit your budget and your level of expertise.
The VitalPBX Enterprise IP-PBX Appliance features the latest version of the software, which is usually based on a 64bit version OS preloaded, which gives you everything you need for Unified Communications right out of the box.
Main features include Auto Attendants, Voicemail, Dial-By-Name Directory, Class-of-Service, Music on Hold, Multiple Languages, Ring Groups, Call Queue, Call Waiting, Caller Display, Conference Call, Call Hold/Transfer, Call Park, Call Pickup, Automatic Fax Detection, Remote Management, and Remote Extensions.
VitalPBX Enterprise IP-PBX Appliance Features:

Up to 800 extensions
Up to 100 concurrent calls
Voicemail
Class-of-Service
Fax-to-email
Support for softphones
Web Interface Configuration
Virtual conference rooms (Conference Bridges)