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users can send “ye” to china mobile number 10086, and 10086 will send user’s
balance back, following is an illustration how this function works.
7.19.State Checking
Send SMS:”check+password” to the tracker device, it will reply its current status as:
GSM: 100% GPS: OK/NO GPRS: ON/OFF battery: 100%.
7.20.IMEI checking
Send SMS command "imei+password" to the unit. E.g.: Send SMS command
"imei123456" to the unit, an IMEI number in 15 digits will be replied to your cell phone.
7.21.Terminal (local) Time Setting
Send SMS “time+space+zone+pspace+local time zone”.
For example, Send SMS “time zone123456 8” (time zone of China).
If the local time zone is negative as “-8”, then it should set as SMS:
“
time zone123456 -8”.
7.22.TCP/UDP Switch
Command: "gprs+password,0,0" TCP with keep alive data, this is the default mode.
Command: "gprs+password,1,0" TCP without keep alive data
Command: "gprs+password,0,1" UDP with keep alive data
Command: "gprs+password,1,1" UDP without keep alive data
7.23.Reset
Send SMS “reset+password” to tracker, it will reply “ reset ok”, the GSM and GPS
module of the tracker will be reset.
Send balance back
Mobile
balance123456 10086 ye
Tracker
Received and execute
Send ye out to 10086
10086(China mobile)
Received ye from number in
the tracker and process
Received Balance message
Forward balance message to mobile
phone
