Commentaries: Art. 56b

Surveillance Type RT_55_POS_PERIOD comprises in each case the recurrent position determination by the network of all mobile terminal devices associated with the target ID.
Position determination shall be carried out by the network using a regular positioning function in accordance with the FDJP regulations.
The following data shall be transmitted immediately:
1. the MSISDN or GPSI, IMEI or PEI and IMSI or SUPI observed, at least one of these data, and any of the others if available;
2. network identifier for the location service client and the timestamp of the position determined;
3. in the case of successful position determination, the timestamp of the position and the following position data:
1. the positioning method, 2. data on the accuracy of the position, 3. the position in the form of: – geographical coordinates and if applicable the associated uncertainty values – polygons, with details of the geographical coordinates of each polygon point or – other information in accordance with international standards, and 4. if available, the altitude data for the position, the service quality, the movement status and the speed and direction of movement of the terminal device; d. in the case of unsuccessful position determination: the reason for failure (error code).