AWS IoT GSM Modem

Hardware

Quick Start

Copy ~Secrets.h to Secrets.h and fill certificates and private key file contents.

Messages

• {"tx": "AT\r\n"} - ping

Calls

• {"tx": "ATD+7XXXXXXXXXX;\r\n"} - call +7XXXXXXXXXX
• {"tx": "ATA\r\n"} - answer call
• {"tx": "ATH0\r\n"} - reject call

SMS

• {"tx": "AT+CSCS=\"GSM\"\r\n"} - set GSM encoding
• {"tx": "AT+CMGS=\"+7XXXXXXXXXX\"\r\n"} - send SMS to +7XXXXXXXXXX, followed by a message:
  • {"tx": "Hello, world!\u001a"} - should end up with substitute character \u001a
• {"tx": "AT+CMGL=\"ALL\"\r\n"} - read all SMS
• {"tx": "AT+CMGR=13\r\n"} - read SMS number 13