GSM/GPRS module AiThinker A6 mini (Goouuu Tech IOT-GA6) how to send/receive SMS?

Question

Arduino

I received such a module with a Goouuu Tech IOT-GA6 (aka AiThinker A6 mini) sticker. I try to send receive SMS, nothing happens, I tried everything on other modems, everything is ok. Tell me how to set it up correctly so that it works with SMS !? Moreover, it works fine with calls, it can make calls, it can receive calls, it can work with USSD.
Here is the version of the module:
Kingcom_Ltd
Kingcom_G16
Revision: G16_B5_R04_A02_D161111 I'm trying
to send SMS:
AT+CMGF=1
AT+CSCS="GSM"
AT+CMGS="+7XXXXXXXXXXX"Testovoe soobschenie!
I get in response:+CMS ERROR:invalid parameter
I try to save SMS:
AT+CMGW="+7XXXXXXXXXXX"Testovoe soobschenie!
I get in response: + CMS ERROR: Invalid text mode parameter
I'm trying to get a service center number:
AT+CSCA?
I get a response: +CMS ERROR:ME failure

Answer 1

Your commands are not correct, there is a good article on habré https://habrahabr.ru/post/133085/
The standard for working with GSM is the same, as I understand it, and on all devices there is one order of commands to be executed