A.EDP_R B.TDP_R C.EDP_N D.TDP_N
A.基本呼叫管理(BCM) B.GSL C.特征相互關系的管理(FIM)和呼叫管理(CM) D.IN交換管理(IN-SM) E.SIB
A.發(fā)出呼叫Call Originated B.轉接式處理Handle as Transmit C.分析地址Address Analyzed D.清除呼叫Clear Call E.準備完成呼叫Prepare to Complete Call F.接受呼叫Call Acceptance G.終止呼叫End of Call