I am struggling to get AT commands working that will get the 3G SIM5230 module to make a clean HTTP request. When I build and send what I believe is a good request, I do not get a response from the web server, only the error +CHTTPACT: 237. I can get the module to send an invalid post (simply add a space in front of the POST in the command), and I get a response back from a web server 400, telling me it is an invalid http request. Anyone out there successfully doing HTTP POST commands with this module?
Model: SIMCOM_SIM5320A Revision: SIM5320A_V1.5