What Is IP PBX? Features, Setup Options, and Business Benefits IP PBX systems are a modern upgrade from legacy business phone setups, combining internet connectivity with the power of a private branch exchange. They enable companies to manage internal and external communications more efficiently, reduce costs, and unlock advanced features like call routing, conferencing, and voicemail-to-email. With options ranging from on-premises to cloud-based and hybrid setups, IP PBX p