协议不匹配：与通信协议异构性相关的问题是，不同的应用程序需要使用不兼容的协议相互通信。
Protocol mismatch: Related to the heterogeneity of communication protocols is the problem that different applications want to communicate with each other using incompatible protocols.
策略定义了安全协议及TCS和服务之间的安全互通性所需的信任通道。
The policy defines the secure protocol and credential passing required for secure interoperability between the TCS and the service.
根据这些考虑，将SIP作为基于文本的协议进行制定，以帮助协商从一个对等系统或用户到另一个对等系统或用户的交互通信通道。
From those considerations, SIP was created as a text-based protocol to help negotiate interactive communication channels from one peer system or user to another.
应用推荐