It describes generic procedures, network specific facilities and end-to-end signalling methods.

它描述了通用程序、网络特定的性能和端到端的信令方法。

youdao

It describes generic procedures, network specific facilities and end-to-end signalling methods.

它描述了通用程序、网络特定的性能和端到端的信令方法。

youdao