![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
SIGTRAN的含义为()
A.Signaling Over ATM
B.Signaling Over IP
C.Signaling Over TDM
D.Signaling Over SDH
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
B、Signaling Over IP
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.Signaling Over ATM
B.Signaling Over IP
C.Signaling Over TDM
D.Signaling Over SDH
B、Signaling Over IP
A.323协议
B.BICC协议
C.SIP协议
D.SIGTRAN协议CSIGTRAN协议