Then it gives a scheme to support the IP mobility while using SIP, and analyses the theory of the scheme and the specific communication flow.

接着给出一种利用SIP协议支持IP移动性的实现方案，并详细分析了该方案的原理和具体的通信流程。

youdao

Then it gives a scheme to support the IP mobility while using SIP, and analyses the theory of the scheme and the specific communication flow.

接着给出一种利用SIP协议支持IP移动性的实现方案，并详细分析了该方案的原理和具体的通信流程。

youdao