A.MAP协议 B.CAP协议 C.SCCP D.NO.1
A.1834756(十进制) B.27-255-04(十进制) C.1B-FF-04 D.1A-FF-04
A.15 B.5 C.30 D.10
A.填充信令单元 B.链路状态信令单元 C.消息信令单元
A. Play Annoucement B. Specialized Resourse Report C. Connect to Resourse D. Prompt and Collect User Information