同义词
1)calling line identification presentation,主呼线识别提供2)calling line identification restriction (CLIR),主呼线识别限制3)connected line identification presentation (COLP),连接线识别提供4)CLIP Calling Line Identification Presentation supplementary service,主叫识别提供补充业务5)calling line identification,呼叫线路识别6)CoLP COnnected Line identification Presentation supplementary service,被叫识别提供补充业务
