The document provides answers to frequently asked questions about PBX systems and Fonality PBXtra in particular. It defines what a PBX is and why businesses need them, highlighting features like voicemail, auto attendant, call distribution that allow companies to manage calls efficiently. It notes that PBXtra is an enterprise-grade PBX designed for small/medium businesses that costs 40-80% less than comparable systems. The document then answers questions about how PBXtra compares to legacy systems, what else is needed to set up the system, how to save money without a VoIP provider, whether technicians are needed for configuration, and how PBXtra integrates with CRM systems.