Hello
I need help to solve my problem. In At-Command mode, after Connecting to internet and giving IP, any MQTT At-Command doesn’t work and in serial port returns (+CME ERROR: 100). Please guide me to solve this problem. thank you
Serial port COM8 opened
AT
OK
AT+CPIN?
+CPIN: READY
OK
AT+CREG?
+CREG: 0,1
OK
AT+CGREG?
+CGREG: 0,1
OK
AT+QIMODE=0
OK
AT+QICSGP=1,“mcinet”
OK
AT+QIREGAPP
OK
AT+QICSGP?
+QICSGP: 1
OK
AT+QIACT
OK
AT+QILOCIP
21.44.26.101
AT+QMTOPEN=0,“tb-srv.abreman.ir”,“1883”
+CME ERROR: 100
Serial port COM8 closed
Log-file.zip (318 Bytes)
hi,bsalmani69:
I recommend that you use mqTT. fx to test whether the MQTT server can be connected properly or if CA authentication is required.
https://quectel123-my.sharepoint.cn/:u:/g/personal/ae-fae_dom_quectel_com_cn/EZeg69wHoXJBudSvdFHQZZsBmqyui9ovctcpt9KTE7SfqA?e=sgH0bR
Thanks for your response herbert.pan-Q.
Problem was from my module firmware. with upgrade module firmware, problem solved.