How it works. SmartLine gives you a toll free number that you can manage from an app on your smartphone. Get your number up and running in about 5 minutes. Pick your number Choose a true 1-800 number or find the perfect fit for your business in our exclusive inventory of 1-833 thru 1-888. Connect to your phone Download the iOS or Android app and link your current mobile number to it.** Show off your number Add your number to your website, business cards & more. That’s it! You’re ready to call & text on your toll-free number. Look & sound more professional. Build trust that lasts. Your toll-free number immediately sets you apart from the competition, boosting your image and increasing customer confidence. Greet every caller professionally. Instantly see when a call is coming in on your toll-free number, so you know when to answer with something...