https://xorcom.com Xorcom Product Portfolio. A brief overview of the Xorcom product portfolio for PBX applications. What is IP PBX? https://www.xorcom.com/what-is-ip-pbx/ IP PBX products, Software PBX, Virtual PBX, PBX appliances, VoIP phone systems, IP PBX for hotels, free PBX courses, and free PBX training online. IP PBX for hotels, enterprise, schools, call centers, free for download. CompletePBX 5 virtual PBX or in IP PBX appliances supporting CompletePBX 5. Download and install free virtual PBX software. Visit our website for free PBX online training and courses. Complete online VoIP certification for free.