Custom Local Area Signaling Services (CLASS) and Custom Calling features are enhanced features which offer subscribers added convenience and security in their communications. Some features are available on your phone right now while others require additional equipment. And to make keeping in touch even simpler, we offer Bundled Rates to give you one simple rate, taxes and fees include. PLUS, they save you a "bundle"! To subscribe to any features or bundles you may call our office at 1-800-332-1201. You may also fill out our Bundles & Features Sign Up form and return it to our office.