AT+CSCON=1
OK
AT+CEREG=5
OK
AT+NPSMR=1
OK
AT+CPSMS=1,,,"00000001","00000001"
OK
AT+NCONFIG="CR_0354_0338_SCRAMBLING","TRUE"
OK
AT+NCONFIG="CR_0859_SI_AVOID","FALSE"
OK
AT+CFUN=0
OK
+CEREG: 0,"0000","0",7,,,,
+NPSMR: 0
AT+CGDCONT=1,"IP","nb.inetd.gdsp"
OK
AT+CFUN=1
+CEREG: 0,"0000","0",7,,,,
OK
AT+NBAND=20
OK
AT+CFUN=0
OK
+NPSMR: 0
AT+CFUN=1
+CEREG: 0,"0000","0",7,,,,
OK
AT+COPS=1,2,"20404"
OK
+CEREG: 2,"0000","0",7,,,,
+CSCON: 1
+CEREG: 5,"2BBF","18CCA67",7,,,"00000001","00011000"
AT+CGATT?
+CGATT: 1
OK
+CSCON: 0
+NPSMR: 1
AT+NSOCR="DGRAM",17,16666,0
0
OK
AT+NSOSTF=0,"37.97.216.22",3000,0x200,12,"48656c6c6f20576f726c6421"
ERROR
AT+CMEE=1
OK
AT+NSOSTF=0,"37.97.216.22",3000,0x200,12,"48656c6c6f20576f726c6421"
+CME ERROR: 4
Where I used your ip address to see if that would change anything, but no luck. The sim card is from Vodafone, but is acquired as part of an NB-IoT evaluation pack and not through SODAQ. Here is a photograph of my setup: