Esp32 Cam examples:

• esp32CamSim7600 : sample code for sending images taken with ESP32 Cam to GSM module SIM 7600 and to FTP server : https://github.com/pawel-piwowar/esp32cam/tree/master/esp32CamSim7600
• esp32CamSim800l : similar functionality as above, but using SIM 800L: https://github.com/pawel-piwowar/esp32cam/tree/master/esp32CamSim800l