860Asig-3板两个子单元可以配置成什么?()
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
出自:中兴认证