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botletics / SIM7000-LTE-Shield

Botletics SIM7000 LTE CAT-M1/NB-IoT Shield for Arduino
https://www.botletics.com/products/sim7000-shield
GNU General Public License v3.0
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getNetworkStatus uses +CREG, should be +CGREG #50

Closed tbitu closed 5 years ago

tbitu commented 5 years ago

When using the SIM7000E with an NB-IoT-only SIM (no GPRS support), CREG never returns the correct status, only 0,0 or 0,2. CGREG however works as intended. Could this be changed in getNetworkStatus?

botletics commented 5 years ago

Hmmmm I'm not sure why that would be the case because CGREG is actually for GPRS (2G) so CREG should be more appropriate for NB-IoT. I'll ask SIMCom why that might be the case. It's an easy fix but I'd rather know what's going on first.

tbitu commented 5 years ago

CEREG also works.

botletics commented 5 years ago

May I ask what country and SIM card you're using?

tbitu commented 5 years ago

Norway, Telenor, NB-IoT (only).

AT OK AT+CREG? +CREG: 0,0 OK AT+CGREG? +CGREG: 0,1 OK AT+CEREG? +CEREG: 0,1 OK AT+CPSI? +CPSI: LTE NB-IOT,Online,242-01,0xA411,18460008,457,EUTRAN-BAND20,6352,0,0,-7,-77,-70,14 AT+COPS? +COPS: 0,0,"242 01 Telenor",9

botletics commented 5 years ago

I had another user report that CREG would say "0,3" (denied) but CGREG would say "0,5" (registered, roaming) so I went ahead and changed the library file to use CGREG for SIM7000 and SIM7500.

OctaviusK commented 5 years ago

I had another user report that CREG would say "0,3" (denied) but CGREG would say "0,5" (registered, roaming) so I went ahead and changed the library file to use CGREG for SIM7000 and SIM7500.

Dear botletics, We also has similar issue. May we know did SIMcom reply you on the above issues? Thks.

botletics commented 5 years ago

No, I don't remember getting a response for that but I may not have asked. Either way, it's fixed in the library already.

OctaviusK commented 5 years ago

Thank you for your reply. Don't know why I still get similar issue. Does SIM7000E already support IPv6? I am using version 1351B07SIM7000E.

Please see below SIM7000E response:

Revision:1351B07SIM7000E CSUB:V02 APRev:1351B07SIM7000,V02 at+cgatt? +CGATT: 1 OK at+cgreg? +CGREG: 0,1 OK at+cgdcont? +CGDCONT: 1,"IPV4V6","b2b-nbiot","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0 +CGDCONT: 13,"IP","CMNET","0.0.0.0",0,0,0,0 at+cops? +COPS: 0,0,"SGP-M1",9 OK at+cgpaddr +CGPADDR: 1,36.1.116.0.72.1.0.0.0.1.0.0.37.178.61.42 +CGPADDR: 13,0.0.0.0 OK at+creg? +CREG: 0,0 OK