Researching business-grade VoIP (Voice over Internet Protocol) telephone systems doesn’t need to be overwhelming, or confusing. In this article I’ll give you the information that you’ll need to determine which of these systems is best for your business. If you’ve been reading about VoIP for businesses, you have probably heard of: “Premise-Based VoIP (Managed)” and “Hosted VoIP (Hosted PBX).”  They’re both VoIP telephone systems, but the overarching distinction between hosted or premise VoIP is where the equipment is physically located.