SMS-AT

The application allows the user to send AT Commands to the module as SMS messages and receive an SMS message with their response.

* Before every command sent, the string “TelitAT:” must be entered.

Example: TelitAT:at+m2m?

1.1.1.5.           Application workflow

M2M_main.c

•      Open USB/UART

•      Enable receiving SMS indications using the function 'm2m_sms_enable_new_message_indication()'

•      Wait for incoming SMS messages

M2M_net.c

•      The function 'M2M_onMsgIndEvent' is called when a new SMS message arrives

•      Send to Process 1 with the message index

M2M_proc1.c

•      Set the variable 'key_word' to the key word that should be sent as part of the SMS. In this example the key word is 'TelitAT:'

•      Set the AT commands parser

•      Set the SMS mode to text

•      Read the SMS message

•      Search for the key word ' TelitAT:' in the SMS message

•      If the key word exists, execute the AT command that follows it.

M2M_atRsp.c

•      Send SMS with the AT command response to the sending number