8
In the SMS, the values after “lat” is the latitude, the values after “lng” is the longitude.
*Meitrack Manager and SMS command. The default password is 0000, password can be
revised through Meitrack Manager and SMS command. MT90 will only accept commands
from a user with the correct password and report SMS report to the user. If preauthorized
phone number was set, only this phone number can receive SMS reports. The common format
of SMS command is: password,command,parameter
4.2.
SOS – A71
This command is to set the SOS emergency communications number, call the phone number,
inform the location by SMS and other SMS additional features at the same time.
The content of Mobile Phone SMS:
0000,A71,Function Number 1, Function Number 2, Function Number 3
Sent to the embedded SIM card numbers.
(tips: “,” should be English comma and no space before and after the comma)
MT90 automatic reply SMS:
IMEI,A71,OK
Prompts successful, successfully set SOS emergency communications number.
When you press the SOS emergency button, MT90 will dial 3 preauthorized phone numbers. It
will stop dialing when one number answers.
Note: the default value is empty. The function numbers should be added “,” to avoid setting failure.
The last function number doesn’t need a “,”. For example:
0000,A71,13500000000,,
0000,A71,13500000000,13600000000,
0000,A71.13500000000,13600000000,13700000000
To clear the combination of functions directly sending 0000,A71
(If this function can’t be achieved, please add your Country and Area Code before your phone
number when you set the preauthorized numbers, or you can also consult your local mobile
operator.)
4.3.
Listening-in (Voice Monitoring) – A72
This command enables users to listen-in to the surrounding environment. Configuring this feature
will allow the devices to confidentially and automatically answer and allow listening-in, one-way
voice communication.
The Content of Mobil Phone SMS:
0000,A72,Monitor Number 1,Monitor Number 2
Sent to the embedded SIM card numbers.
IMEI,A72,OK
Successfully set monitor number.
When the preset monitor number calls the MT90, the device will answer automatically and enter
into the listening state. The device will not emit any sound.
