單項(xiàng)選擇題

860Asig-3板兩個(gè)子單元可以配置成什么?()

A.DTMF/MFC/CID+DTMF/MFC/CID
B.TONE/DTMF/MFC/CID +DTMF/MFC/CID
C.TONE/DTMF/MFC/CID +DTMF/MFC/CID/TONE
D.TONE/DTMF/MFC/CID/CONF+TONE/DTMF/MFC/CID /CONF

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