DIN EN 301144-3:2001 综合业务数字网.数字用户用1号信令系统和7号信令系统协议.α接口处移动管理服务用信令.第3部分:用户用的试验组结构和试验目的规范
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) and Signalling System No. 7 protocols - Signalling application for the mobility management service on the alpha interface - Part 3: Test Suite Structure and Te