> For the complete documentation index, see [llms.txt](https://yingshaoxo.gitbook.io/university-notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yingshaoxo.gitbook.io/university-notes/gsm-for-railway/gsm-r-features.md).

# GSM-R Features

GSM-R = GSM业务 + 语音调度业务 + 铁路应用

## ASCI (Advanced Speech Call Items) features (高级语音呼叫)

* VGCS (Voice Group Call Service)
* VBS (Voice Broadcast Service)

## Functional Addressing (基于功能的寻址)

> Alias system to call someone registered on the GSM-R network, only by knowing the temporary function user (engine driver of train such-and-such, ...)

不用传统的电话号码，用`一串代表特定群体或事物的`代码。

## Location Dependent Addressing (基于位置的寻址)

> Routing system to call the most appropriate train controller regarding the current train position by dialling a pre-defined short code

根据位置的不同，呼叫不同的人。

## **Others**

* 尾部风压监测: 监测得到的数据需由GSM-R网络传回
* 列车自动控制(ATC, Automatic train control)