AT Commands Manual - Teltonika

AT CommandsUser Manual7.4 Network registration +CREGCommand syntaxDescriptionAT+CREG= This set command controls the presentation of an unsolicited result code +CREG: when =1 and there is a change in the ME network registration status, or code +CREG:,, when =2 and there is a change of the network cell.AT+CREG=1Read commandAT+CREG?Test commandAT+CREG=?OKorCME ERROR: +CREG: ,,,OK+CREG: (0-2)Note: i.e. list of the supported sOK may by:− 0 disable network registration unsolicited result code.− 1 enable network registration unsolicited result code +CREG: .− 2 enable network registration and location information unsolicited result code +CREG:,,. may be:− 0 not registered, ME is not currently searching a new operator to register to.− 1 registered, home network.− 2 not registered, but ME is currently searching a new operator to register to.− 3 registration denied.− 4 unknown.− 5 registered, roaming. string type; two byte location area code in hexadecimal format (e.g. “00C3”) string type; two byte cell ID in hexadecimal format (e.g. “A13F”)7.5 Preferred operator list +CPOLCommand syntaxDescriptionAT+CPOL=,,list of preferred operators, previously selected by the command +CPLS. If no list has beenselected (e.g. because +CPLS command is not implemented), the default SIM fileEFPLMNwAcT is used.AT+CPOL=2,0,”T-MobilD”Read commandAT+CPOL?Test commandAT+CPOL=?OKorCME ERROR: +CPOL: 1,0,”F SFR”+CPOL: 2,0,”T-Mobil D”OK+CPOL: (1-30),(0-2)Note: i.e. (list of supporteds),(list ofsupported s)OK integer type; the order number of operator in the SIM preferred operator list. may be (see also +COPS):− 0 long format alphanumeric .− 1 short format alphanumeric .− 2 numeric .27