Auto Answer; Forwarding Incoming Sms Messages; Sim Card Balance Enquiry - GPS Tracker 403 User Manual

6.9 Auto answer

Track is the default mode for position.
SMS command to switch to auto answer mode: monitor+password
Tracker response: monitor ok!
Example: monitor123456
Note: If there aren't any authorized numbers set-up, it will auto answer for all the
incoming calls, if there are authorized numbers set-up, it will auto answer the
incoming calls from authorized numbers and reject all other phone numbers.
SMS command to switch back to track mode: tracker+password
Tracker response: tracker ok
Example: tracker123456

6.10 Forwarding incoming SMS messages

SMS command: forward+password+space+third party phone number
Tracker response: forward ok
Example: foward123456 10086
The carrier's number which used to sending notification messages is
recommended to set up, tracker will forward the notification message to
authorized numbers when carrier send message to remind you to top up your SIM
card.
SMS command to cancel: noforward+password
Tracker response: no forward ok
Example: nofoward123456

6.11 SIM Card Balance Enquiry

SMS command: balance+password+space+phone number+space+code
Tracker response: It will forward the code to the specified phone number and
Example: balance123456 10086 ye
This function assumes that your GSM network provider has the option where you
can check your SIM card's balance by sending a SMS message to a specified
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return the content from that number.