Smart Home Automation Forum

If one integrates KC868-A4 to HA with ESPhome, how is the SIM module integrated to send and receive messages. I need direction how to use this module with the SIM Module.
Regards

KC868-A4 not support 4G SIM module, KC868-A4S have 4G SIM7600 GSM module socket.
here have some esphome yaml for SIM7600 SMS and voice call function code:
https://www.kincony.com/forum/forumdisplay.php?fid=54