ETSI EN 301 062-4-2000 综合业务数字网(ISDN).7号信令系统.对专用网Q参考点1号信令系统(PSS1)信息流的虚拟专用网(VPN)应用的支持.第4部分:抽象测试套件(ATS)
Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); Support of Virtual Private Network (VPN) Applications with Private Network Q Reference Point Signalling System Number 1 (PSS1) Information Flows; Part 4: Abstract Test Suite (ATS) a