ETSI EN 301 061-5-1998 综合业务数字网(ISDN).1号数字用户信令系统(DSS1)协议.支持虚拟专用网(VPN)应用的补充业务的通用功能协议.第5部分:测试套件结构和测试目的(TSS&TP)规范
Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No.One (DSS1) Protocol; Generic Functional Protocol for the Support of Supplementary Services for Virtual Private Network (VPN) Applications; Part 5: Test Suite Structure and