Patents Speak: Patents can speak volumes about the vibrancy and success of a company. Cetis holds a variety of patents, including, OneTouch voice mail retrieval technology. A single touch of the blinking message lightbar automatically speed dials the hotel guest into voice mail, and engages the speakerphone to hear messages hands-free. Give your guests the convenience of patented OneTouch voice mail retrieval. Click here to request a quotation, or here to arrange a consultation.