Dashboard

Lorry Fleet Map

Moving Stopped Alarm Old position Offline Observation zone

One line per GPS record, CR/LF terminated, US-ASCII. Same lines are retransmitted to the SPS system over TCP (fixed public IP and port).

Every TCP/UDP frame exactly as received from the tracker (and every command sent), timestamped, stored per device per day.

Teltonika Codec 8 / 8 Extended / 16 · Codec 12 commands

Handshake — device opens TCP and sends 000F + 15-byte IMEI (ASCII). Panel replies 01 (accept) or 00 (reject).
AVL data — 00000000 preamble · 4-byte length · Codec ID · N records · records · N · CRC-16/IBM.
Acknowledge — panel replies with the number of records accepted as a 4-byte integer. If it does not match, the device re-sends (data is never lost; 30-day flash buffer).
Commands — after the ACK the panel can send Codec 12 commands (getrecord, getgps, setdigout) and the device replies with type 06.