ＩＣ卡公话系统标准简介邮电部科技司标准处黄尚贤集成电路（ＩＣ）卡公用付费电话系统（可简称为ＩＣ卡公话系统）因具有结构简单、稳定可靠、防伪性强、智能化和系统化程度高等优于其他卡式付费公话的特点，在许多国家被视为今后可大力推广使用的新一代公话系统．中国邮... IC card system, the standard public telephone system Ministry of Posts and Telecommunications Standards Division Huang Shangxian IC card public pay telephone system (IC card can be referred to as the public telephone system) due to its simple structure, stable and reliable, strong security, intelligence and system The superiority of this format over other pay-per-card features is considered in many countries as a new generation of public address systems that can be vigorously promoted in the future. China Post ...