Debugging AT Command Log

I need some help debugging AT command logs from a NI cRIO Module (SEA 9745) that I am using that sends text messages.  I am working with the manufacture of the module and they suggested I contact AT&T.  I attempted to work with AT&T Non-Customer Support, but as usual got nowhere.  I guess they just short circuit because they can't understand that I am working with something that isn't a phone.

I was hoping someone on here could provide some help.  My issue is that my module seems to not be able to register/stay registered on the network.  Below is the beginning of log files from two different tests.  The last pattern in each is repeated until the end of the file.  Each files ends after about 23-26 seconds.

One other thing I did was ask again if my IMEI# was registered correctly with AT&T.  I was told that it was.  Also another things is that both of the SIM cards that I am working with are working correctly with an old flip phone.

Thank you for any help that you can provide.

2019.04.08 - 10:11:06.655 SYS.GetModuleType
2019.04.08 - 10:11:06.920 9745
2019.04.08 - 10:11:06.920 AT+CPIN?
2019.04.08 - 10:11:07.217 AT+CPIN?

+CPIN: READY

OK

2019.04.08 - 10:11:07.318 AT+CREG?
2019.04.08 - 10:11:07.486 AT+CREG?

+CREG: 0,2

OK

2019.04.08 - 10:11:08.586 AT+CREG?
2019.04.08 - 10:11:08.710 AT+CREG?

+CREG: 0,2

OK

2019.04.08 - 10:07:34.124 SYS.GetModuleType
2019.04.08 - 10:07:34.297 9745
2019.04.08 - 10:07:34.297 SYS.GetVersion
2019.04.08 - 10:07:34.376 2.0.390.55 2.0.390.55 N/A
2019.04.08 - 10:07:34.376 AT+CPIN?
2019.04.08 - 10:07:34.604 AT+CPIN?

+CPIN: READY

OK

2019.04.08 - 10:07:34.704 AT+CREG?
2019.04.08 - 10:07:34.832 AT+CREG?

+CREG: 0,2

OK

2019.04.08 - 10:07:35.933 AT+CREG?
2019.04.08 - 10:07:36.068 AT+CREG?

+CREG: 0,2

OK