I want to know that is it possible to implement BSD API using ESP8266 Node MCU ? I want to access Azure IOT using MQTT through ESP8266 Node MCU. How should I proceed ?

I am new to use esp8266. I have successfully accessed website using ESP8266. Now, I want to access the Azure-Iot-Hub, for which I need to first access the url: "global.azure-devcies-provisioning.net". In sample code, the on chip Modem is used to establish internet connection and then below written f...