研究了逐步交换协议和异步第三方协议；
Two kinds of fair exchange protocols, gradual exchange protocols and third party protocols are discussed.
SIP协议已逐步成为下一代网络(NGN)的多媒体软交换系统和第三代移动通信(3 G)多媒体子系统域中的重要协议。
SIP gradually becomes the important protocol in the multimedia Softswitch system and 3g multimedia subsystem area of the next generation network (NGN).
SIP协议已逐步成为下一代网络(NGN)的多媒体软交换系统和第三代移动通信(3 G)多媒体子系统域中的重要协议。
SIP gradually becomes the important protocol in the multimedia Softswitch system and 3g multimedia subsystem area of the next generation network (NGN).
应用推荐