If you do not already have a RingCentral account, you can sign up from a browser or through your mobile-device app store.
From a Web browser, go to RingCentral at:
Click the Free Trial button or the Buy Now button.
From your smartphone, go to your device’s App store, search for RingCentral mobile app, download and install it. Tap the RingCentral mobile app icon on your smartphone; then tap Free Trial or Buy Now.
Billing begins automatically at the expiration of the free-trial period.
In either case,
On the form offered, provide your contact information and set up a password.
Follow the on screen steps to verify the wireless number that will be billed for this service. Select a plan based on the number of users you’ll be setting up.
Choose a main company toll-free or local number.
Tap Setup Now to configure your RingCentral business phone system. (If you already have an account set up, you won’t need to reconfigure.)