Understand the difference between Ring4 for personal use and business use and the limitations on the number of active phone lines you can have.
There is a few limitations on the number of active phone lines you can have, let's break it down for you.
Ring4 Business
For Ring4 for business there is no limit to the number or active phone lines your company can have.
Ring4 Personal
For Ring4 personal you are limited to 3 active phone lines from the same country with the total limit of active phone lines set to 7.