User's Manual

TR-151A page 38
4.9 How to make TR-151A do Voice monitor function?
User can send a SMS by a mobile phone to ask TR-151A start the voice monitoring.
The format of SMS is following as:
?6,IMEI,Return_Phone_Number!
The table below explains the content of the SMS
Format Description
? Start sign
6 Function code
IMEI IMEI code of the TR-151A
Return_Phone_Number The phone number for TR-151A to call back and transmit the sounds.
! End sign
Note: If return phone number is empty, TR-151A will call back to Caller ID
TR-151A will send an SMS whose format is“?6,IMEI,OK!” to the return phone number to confirm
it has received the request. And then it will start to call back to the returned number written in the
SMS. And then user can listen to the sound or voice around TR-151A.
Example:
User send voice command and make TR-151A call back to 626123456
?6,355632000166323,626123456!
Stop voice monitoring:
Users can hang up the phone call to stop voice monitoring.