无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

The SCTP layer in the C7 signalling protocol stack is responsible for which of the following:()

A. Establishing a signaling channel between two signaling entities in an ATM network
B. Provide reliable connection for signaling between two IP signaling nodes
C. Provide routing for IP signaling messages in an IP signaling network

微信掃碼免費搜題