TRM240 receive SMS problem

Networking Solutions Issue
1

Hi,

I use proprietary SW to handle SMS messages via AT commands. I try to use TRM240 modem because of LTE carrier. First test was OK, but now, I have problem with handling received SMS.

My SW usually writes Communication timeout just after modem receives SMS and don’t react to received SMS (don’t see it).

I can write here initialisation AT commands from my SW:

ATE1

ATQ0

ATX1

ATV1

ATI

AT+CMGF=0

AT+CNMI=0,0,0,0,1

AT+CPIN=“$(Value)” (empty)

AT+CPMS=“MT”

AT+CSCA=“$(Value)” (SMS center number)

There is periodical check of received messages by AT command

AT+CMGL=4

Is here something wrong with initialisation or SMS handling?

Thanks for help!

Jan

2

Greetings,

For troubleshooting purposes, we will require more sensitive information from your end, such as the troubleshoot file, which may contain passwords, public IP addresses, serial numbers, and such. To avoid leaking this information, we have sent you a form to fill out, which you will receive in your e-mail inbox that you have registered your account with in the forums. In the Ticket ID field of the form, please enter the ID of this thread, which is 19292.

Best Regards,
Justinas