You can achieve this by developing a converged application that USES the SIP protocol to communicate with the next-generation network and HTTP to access legacy protocols.
为此，可以开发一种聚合应用程序，使用SIP协议与下一代网络通信，使用HTTP访问旧协议。
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The term represents next-generation Web applications that are built using sound Web design principles and leveraging the simplicity of HTTP.