HL7802 - KHTTP_ERROR: 1,5 over GSM

[jyijyi]

How about tcp and udp?

I remember it should work in gsm mode

How to detect if NTP server cannot be reached

I have just made a test with my HL7802 with GSM network here. I found that the CCLK time is updated after starting some UDP communication: ati3 HL7802.4.6.9.4 OK at+cpin? +CPIN: READY OK at+ksrat? +KSRAT: 0 OK at+ksrat=2 OK at+cfun=1,1 OK at+cpin? +CPIN: READY OK at+cgdcont? +CGDCONT: 1,"IPV4V6",,,0,0,0,0,0,,0,,,,, +CGDCONT: 2,"IPV4V6",,,0,0,0,0,0,,0,,,,, OK at+cgdcont=1,"IP","hkcsl" OK at+cgpaddr=1 +CGPADDR: 1 OK at+creg? +CREG: 0,1 OK at+cclk? +CCLK: "24/10/24,14:27:42+32" OK at+c…