I am using esp32 CAM by Arduino IDE and send an image file by ftp using SIM800l GSM/GPRS module to a server and every thing is ok .
I can perform http request also and read some data from a website and every thing is ok.
Problem is ftp for large file and http request can not work at the same time . if I send AT+HTTPINIT after AT+FTPEXTPUT=1 , it fails or if I send AT+FTPEXTPUT=1 after AT+HTTPINIT again it fails .
I close http connection by AT+SAPBR=0,1 but problem exist
How to solve this problem? How is possible to clear the setting done in the the sim800l without restarting the module by AT+CFUN=1,1 ?