DIN EN 300098-5:1999
综合业务数字网(ISDN).被叫连接线识别限制(CLOR)补充业务.数字用户用1号信令系统(DSS1)协议.第5部分:网络用试验组及试验目的规范
Integrated Services Digital Network (ISDN) - Connected Line Identification Restriction (COLR) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for