I too am very dissapointed with BizPhone. It took a month to port over the number, I kept getting transferred from one person to another, but that wasn't the worst of it: I needed 2 physical handsets and 6 soft phones to run on mobiles. Firstly they didn't include the mobile app which I asked for, so it took another two days and an additional $4.95 per line, then I discovered the mobile app, UC-One Communicator, for iOS would not work unless the app was active and the screen on. In other words: It won't run in the background or if the screen is off. The only workaround is to set the app up to divert calls to the mobile number of the iPhone if unreachable. If you're using the physical handsets, then it's a great service. If you are trying to run an office with mobile staff, then make sure they all have Android phones, otherwise, forget it. ... View more