The Allworx IP PBX system is a feature rich VoIP and network system for small business. The Allworx platform is a state-of-the-art communication system that integrates a sophisticated phone system, a robust data network, and software tools. Advanced features such as call center applications, plug-and-play remote IP phones, and unified messaging are combined into an easy-to-use, affordable phone system for small to midsize businesses from 1 to 100 users.