Table 4.
Services to be supported according to the radio type. Note that Mandatory for Interoperability (MI), Mandatory for the System (M), Optional (O) or Not Applicable (NA) [43,48].
| Service Group | Type of Service | Cab | ETCS Data Only | General Purpose | Operational | Shunting |
|---|---|---|---|---|---|---|
| Voice-Call | Point-to-point | MI | NA | M | M | M |
| Public emergency | M | NA | M | M | M | |
| Broadcast | M | NA | M | M | M | |
| Group | MI | NA | M | M | M | |
| Multi-party | MI | NA | O | O | M | |
| Data | Text message | MI | NA | M | M | M |
| General data applications | M | O | O | O | O | |
| Automatic fax | O | NA | O | O | O | |
| ETCS train control | NA | MI | NA | NA | NA | |
| Specific features | Functional addressing (FA) | MI | NA | M | M | M |
| Location dependent addressing (LDA) | MI | M | O | O | O | |
| Direct mode | NA | NA | NA | NA | NA | |
| Shunting mode | MI | NA | NA | NA | M | |
| Multiple driver communications within the same train | MI | NA | NA | NA | NA | |
| Railway emergency calls | MI | NA | O | M | M |