A.110B B.120B C.140B D.150B E.130B
A.無(wú)條件前轉(zhuǎn) B.遇忙前轉(zhuǎn) C.呼叫不可及前轉(zhuǎn) D.呼叫無(wú)應(yīng)答前轉(zhuǎn) E.呼叫等待
A.MAPCOMPLETECALL B.DATAREQ C.CALLCONF D.DATAIND E.CALLCONFIRMED