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“ＩＣ卡电话机与本地级管理系统之间的通信协议”介绍□徐名文“ＩＣ卡电话机与本地级管理系统之间的通信协议”（以下简称“协议”）是集成电路（ＩＣ）卡公用付费电话系统总技术要求（暂行规定）和补充件Ⅰ、补充件Ⅱ全套标准系列中最重要的一部分．遵循这一协议，一个...
“Communication Protocol between IC Card Telephone and Local Level Management System” Introduction □ Xu Mingwen “The communication protocol between IC card telephone and local level management system” (hereinafter referred to as “protocol”) is the common use of integrated circuit (IC) card Pay phone system general technical requirements (Interim Provisions) and Supplement Ⅰ, Supplement Ⅱ a full set of standard series of the most important part. Follow this agreement, one ...