问题
多项选择题
在手机的建链指示中,带的服务请求类型(CM SERVICE TYPE)可能一下哪几条信令()
A.IMMEDIATE SETUP
B.VOICEGROUP CALL ESTABLISHMENT
C.VBS CALL ESTABLISHMENT
D.NOTIFICATION RESPONSE
答案
参考答案:A, B, C, D
在手机的建链指示中,带的服务请求类型(CM SERVICE TYPE)可能一下哪几条信令()
A.IMMEDIATE SETUP
B.VOICEGROUP CALL ESTABLISHMENT
C.VBS CALL ESTABLISHMENT
D.NOTIFICATION RESPONSE
参考答案:A, B, C, D