同义词
1)calling line identification restriction (CLIR),主呼线识别限制2)calling line identification presentation,主呼线识别提供3)Calling Line Identification Restriction CLIR,主叫线路识别限制4)connection line identification restriction,连接线识别限制5)CLIR Calling Line Identification Restriction supplementary service,主叫识别限制补充业务6)Connected Line Identification Restriction COLR,被叫线路识别限制