We have some GSM modules ( Sim 900 and Quectel m35) controlled by UART. We would like a small code implementing multiparty call ( AT+CHLD) to the maximum permitted by the GSM module.
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Hi, my name is Artem. I work Electronical and Software Engineer more 10 year . My work is development equipment and programs for embedded system. I have experience working with SIM900 and AT commands. I wrote some pro Plus