飞信是中国移动推出的“综合通信服务”，即融合语音（IVR）、GPRS、短信等多种通信方式，覆盖三种不同形态（完全实时、准实时和非实时）的客户通信需求，实现互联网和移动网间的无缝通信服务。-Fetion China Mobile launched the " integrated communications services" , ie the convergence of voice (IVR), GPRS, SMS and other means of communication, covering three different forms (complete real-time, quasi real-time and non real-time) customer communications needs, to achieve the Internet seamless inter-network and mobile communication services.