Mqtt on module sim 7020

NB-IoT
1

I become able to register to NB-LTE network, but when I tried to post some data, I always get error message
My AT commands:
AT+CMQNEW=“123.31.43.185”,“1993”,6000,100

.ERROR

when I connect to serve:
AT+CMQPUB=0,“mytopic”,1,0,0,2,“HE”
.ERROR

please help me
Thanks.

2

Hi Tuanph,
first , you can try AT+CMQNEW=“123.31.43.185”,“1883”,6000,100 , Mqtt port is 1883