# 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\(ATC, Automatic train control\)

