Telematics and Connected Mobility conference 
September 10–11, 2025 / Vilnius, Lithuania
September 10–11, 2025 / Vilnius, LithuaniaJointech protocol
Protocol used by GPS tracking devices manufactured by Shenzhen Joint Technology Co Ltd headquartered in China.
flespi parses the Jointech protocol messages into a JSON object with the
fields listed below in the Parameters tab.
To connect your tracker using the Jointech protocol, you need to have a jointech channel created first.
Point your tracker to the channel's domain name:port via SMS or configuration tool provided by the vendor.
Then create a device instance for your tracker and use a 15-character IMEI (usually specified on the tracker casing) in the ident field.
Use the Logs & Messages tab on the device screen to check if the messages are coming.
alarm.event
boolean
Alarm event triggered
Data type
back.cap.closed.status
boolean
Back cap closed status
Device status
back.cap.open.alarm
boolean
Back cap open alarm
Device status
battery.level
number
percentage
Internal battery level
battery.low.alarm
boolean
Battery low alarm event
Device status
channel.id
number
ID of channel that received a message
device.id
number
ID of device that received a message
device.imei
string
IMEI of the device
Report type P14,
Report type P45
Report type P45
device.name
string
Name of device that received a message
device.type.id
number
ID of device type of device that received a message
event.seqnum
number
Unique event sequence number
Report type P45
geofence.id
number
Geofence ID
Report type P45
geofence.in.alarm
boolean
Geofence in alarm event
Device status
geofence.out.alarm
boolean
Geofence out alarm event
Device status
gsm.cellid
number
Mobile network (GSM, 3G, 4G, LTE, 5G, ...) base station ID
gsm.lac
number
Mobile network (GSM, 3G, 4G, LTE, 5G, ...) location area code
gsm.mcc
number
Mobile network (GSM, 3G, 4G, LTE, 5G, ...) country code
gsm.mnc
number
Mobile network (GSM, 3G, 4G, LTE, 5G, ...) code
gsm.signal.level
number
percentage
Mobile network (GSM, 3G, 4G, LTE, 5G, ...) signal strength level
ident
string
Device unique identifier like serial number, IMEI, etc
message.buffered.status
boolean
Black box message
Data type
motor.fault.alarm
boolean
Motor fault alarm
Device status
motor.locked.status
boolean
Motor locked status
Device status
password.correct
boolean
Entered correct password
Report type P45
password.incorrect.attampts
number
The number of incorrect attampts to enter password
Report type P45
payload.hex
string
HEX Payload received from device
peer
string
IP:port from which device connecting to the channel
position.direction
number
degrees
Heading angle at position detection moment
Report type P45
position.latitude
number
degrees
Latitude coordinate value
Report type P45
position.longitude
number
degrees
Longitude coordinate value
Report type P45
position.satellites
number
Quantity of satellites used to calculate coordinates for given position information
position.speed
number
km/h
Instant speed at position detection moment
Report type P45
position.valid
boolean
Is position information accurate and valid for given timestamp
Location indicator,
Report type P45
Report type P45
protocol.id
number
ID of protocol
protocol.version
string
Protocol version string
report.code
string
Report code
P45 Event source type
report.reason
number
Transmission reason code
P45 Event source type
rfid.code
string
Hexadecimal code of connected RFID
Report type P45
server.timestamp
number
seconds
Timestamp when server received a message
steel.string.connected.status
boolean
Steel string inserted status
Device status
steel.string.cut.alarm
boolean
Steel string cut alarm
Device status
timestamp
number
seconds
Message timestamp
Report type P45
unauthorized.alarm
boolean
Unauthorized access alarm event
Device status
unlock.alarm
boolean
Unlock alarm
Device status
unlock.valid.status
boolean
Unlock passed validation
Report type P45
vehicle.id
number
Vehicle ID connected with the device
vehicle.mileage
number
km
Total calculated mileage
Report type P45
vehicle.state.bitmask
number
Vehicle state flags bitmask
vibration.alarm
boolean
Vibration alarm event
Device status
wrong.password.alarm
boolean
Wrong password alarm
Device status
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