State Checking; Imei Checking; Terminal (Local) Time Setting; Tcp/Udp Switch - Coban GPS305 User Manual

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.
balance123456 10086 ye
Mobile
Forward balance message to mobile
phone

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+password+space+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.
Received and execute
Send ye out to 10086
Tracker
Send balance back
Received Balance message
10086(China mobile)
Received ye from number in
the tracker and process
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