Hi all,
I am using BC92 NBiot/gsm module, but i want to use gsm in this instead nbiot, but while i’m trying to publish the data in mqtt server it wont connect, this the flow of command which i have used, please anyone help me with this
[2022-03-22_14:39:39:761]AT
[2022-03-22_14:39:39:761]OK
[2022-03-22_14:39:40:798]AT+CPIN?
[2022-03-22_14:39:40:798]+CPIN: READY
[2022-03-22_14:39:40:798]OK
[2022-03-22_14:39:41:807]AT+CREG?
[2022-03-22_14:39:41:807]+CREG: 0,1
[2022-03-22_14:39:41:807]OK
[2022-03-22_14:39:42:829]AT+CGREG?
[2022-03-22_14:39:42:829]+CGREG: 0,1
[2022-03-22_14:39:42:829]OK
[2022-03-22_14:39:43:812]AT+QIMODE=0
[2022-03-22_14:39:43:812]OK
[2022-03-22_14:39:44:882]AT+CGDCONT=1,“IP”,“airtelgprs.com.com”
[2022-03-22_14:39:44:882]OK
[2022-03-22_14:39:45:831]AT+CGATT=1
[2022-03-22_14:39:45:831]OK
[2022-03-22_14:39:46:838]AT+CGACT=1,1
[2022-03-22_14:41:17:020]+CME ERROR: Excute command failure
[2022-03-22_14:41:17:020]AT+CGACT?
[2022-03-22_14:41:17:020]+CGACT: 1,0
[2022-03-22_14:41:17:020]OK
[2022-03-22_14:41:17:020]AT+QMTOPEN=0,“54.174.97.141”,1883
[2022-03-22_14:41:17:020]OK
[2022-03-22_14:41:17:020]+QMTOPEN: 0,-1
[2022-03-22_14:41:17:020]AT+QMTOPEN?
[2022-03-22_14:41:17:020]OK
[2022-03-22_14:41:17:020]AT+CGATT?
[2022-03-22_14:41:17:020]+CGATT: 1
[2022-03-22_14:41:17:020]OK
[2022-03-22_14:41:17:020]AT+QMTCONN=0,“clientExample”
[2022-03-22_14:41:17:083]+CME ERROR: parameters are invalid
the cgact=1,1 always returns error,