The routing number follows the signalling protocol of the external network.

路由选择号码以自身了解的方式遵循外部网络的信令协议。

youdao

RTSP protocol covers signalling areas such as requesting the details of the movie codecs required, number of tracks, source IP addresses and ports of the server sending the stream.

RTSP协议覆盖信令等领域，比如请求所需的电影编解码器的细节，通道数目，源服务器的IP地址和端口发送流。

youdao

The standards based RTSP protocol is used by the player (and server) for signalling.

基于标准的RTSP协议被用于信令所使用的播放器（和服务器）。

youdao