Objective: Set up a business phone system that allows me to use my cell phone to make business calls using a softphone app, that has a calling tree when people call, and that uses a good phone number without breaking the bank. Do this in a way that is widely compatible, to ensure that I can move suppliers of ay particular service if or when I need to. Process: Look into available solutions. Understand underlying technology. Draft a [[Possible Architecture - PBX]]