在日益激烈的竞争形势下,固网运营商受到来自互联网、移动话音等业务的影响,其赢利空间已越来越小,迫切需要寻求可持续发展的新途径,如何抑制固网语音业务ARPU值的下滑、开发有赢利能力和增长潜力的固网增值业务成为了固网运营商的当务之急。目前典型的固网增值业务有固网彩铃业务、预付费业务和“一号通”业务,其中预付费业又有预付费卡类 Under the increasingly fiercer competition situation, the fixed network operator is influenced by the business such as the Internet, mobile voice, etc., Its profit space has been getting smaller and smaller, it is urgent to seek new ways of sustainable development, how to restrain the fixed network pronunciation business ARPU value Of the decline, the development of profitability and growth potential of fixed-line value-added services has become a top priority fixed-line operators. At present, the typical fixed-line value-added services include fixed-line CRBT services, prepaid services and “one-number-one” services, including prepaid cards and prepaid cards