One of the reasons we started ring-u was our own history of trying to cancel service from other telecom providers.
Login to the customer portal at https://portal.ring-u.com
Simply make your selection of the two cancellation options.
A representative from Ring-U will try to contact you to do the following things:
Call/Email ring-u at 423 456-6700 or support@ring-u.com, or open a support ticket from your account.