User manual

MPTP | MPTP commands 42
Command format
Length: 8…9 characters
Command*
Trigger type
Service state
4 1 1…2 1 1
?TRG _ 0 _ 0
*) cf. section 3.1 for description of this field.
The special fields of the command are as follows:
Field Description Range
Trigger type Trigger type of tracking process to be
deactivated, as defined in section 4.2.1.4.
To deactivate all tracking processes at once,
trigger type 99 can be used.
0…9, 99
Service state Activity of tracking process. Value 0 should
be used; otherwise the process will not be
deactivated.
0…1
4.2.1.5. Real time complex tracking request (?TRR)
CC MTT
Using the real time complex tracking request, tracking processes with a multitude of different kinds of start
and stop trigger conditions can be created:
0. Area tracking :
For future extension.
1. Stopping at report limit :
For future extension.
2. Stopping at time limit :
For future extension.
3. Stopping at date and time :
For future extension.