Yes, you can certainly can move your Freedom Voice number over to the SmartLine service! Please note that Freedom Voice and SmartLine are two separate products. So some features of Freedom Voice may not be on SmartLine yet and your Freedom Voice data will not transfer over to SmartLine.
If you would like to proceed with the number port, just give us a call at 480-463-8715 to get started. Make sure in your port request to note that you're an existing Freedom Voice customer.