User manual
MPTP | MPTP commands 31
4. NOT AVAILABLE
5. NOT AVAILABLE
6. NOT AVAILABLE
7. Endless tracking :
The tracking process sends reports at regular intervals indefinitely. It will only stop when
requested.
This type of tracking is described in detail in section 4.2.1.4.5.
8. NOT AVAILABLE
9. NOT AVAILABLE
Each supported start/stop trigger combination is defined by a trigger type to which the numbering above
refers. A complex tracking request MPTP command always starts in the same way, with the Trigger type
parameter determining the format of the rest of the command.
Command*
Trigger type
…
4 1 1…2 1 …
?TRG _ 0 _ …
*) cf. section 3.1 for description of this field.
Variations of the command are described in subsequent sections. References are given in the list above.
Previous versions of this document featured a uniform naming system for the fields in complex tracking
requests. For backward reference, these field titles (Limit, Allowed value, Trigger special data, Data) are
given alongside the trigger type specific names in the sections below.
4.2.1.4.1. Trigger type 0: area tracking
CC → MTT
An area tracking process is used for monitoring a Mobile Telematics Terminal’s arrival to and departure
from an area. The process can be created and activated by a Control Centre, by sending a complex
tracking request command with trigger type 0.
The tracked area is circular. It is defined by a centre point and a radius.
There are five different methods for tracking area events:
0. Report while outside the area :
The tracking process sends reports while the Mobile Telematics Terminal is outside the area.
The tracking process parameters are in this case as follows:
• Start trigger : Departure from area.