SimCom SIM7000 Series At Command Manual page 5

4.1 Overview of AT Commands According to 3GPP TS 27.005 ......................... 59
4.2 Detailed Descriptions of AT Commands According to 3GPP TS 27.005 ...... 59
4.2.1 AT+CMGD Delete SMS Message ....................................................................... 59
4.2.2 AT+CMGF Select SMS Message Format ............................................................ 60
4.2.3 AT+CMGL List SMS Messages from Preferred Store ......................................... 61
4.2.4 AT+CMGR Read SMS Message .......................................................................... 64
4.2.5 AT+CMGS Send SMS Message .......................................................................... 67
4.2.6 AT+CMGW Write SMS Message to Memory ..................................................... 68
4.2.7 AT+CMSS Send SMS Message from Storage ..................................................... 70
4.2.8 AT+CNMI New SMS Message Indications ......................................................... 71
4.2.9 AT+CPMS Preferred SMS Message Storage ....................................................... 73
4.2.10 AT+CRES Restore SMS Settings ......................................................................... 74
4.2.11 AT+CSAS Save SMS Settings ............................................................................. 75
4.2.12 AT+CSCA SMS Service Center Address ............................................................. 76
4.2.13 AT+CSDH Show SMS Text Mode Parameters .................................................... 77
4.2.14 AT+CSMP Set SMS Text Mode Parameters ........................................................ 77
4.2.15 AT+CSMS Select Message Service ..................................................................... 78
5 AT Commands Special for SIMCom ................................................. 80
5.1 Overview ........................................................................................................ 80
5.2 Detailed Descriptions of Commands ............................................................. 81
5.2.1 AT+CPOWD Power off ....................................................................................... 81
5.2.2 AT+CADC Read ADC ........................................................................................ 81
5.2.3 AT+CFGRI Indicate RI When Using URC ......................................................... 82
5.2.4 AT+CLTS Get Local Timestamp ......................................................................... 82
5.2.5 AT+CBAND Get and Set Mobile Operation Band .............................................. 84
5.2.6 AT+CNBP Set the state of the band preference ................................................... 85
5.2.7 AT+CNSMOD Show network system mode........................................................... 87
5.2.8 AT+CSCLK Configure Slow Clock ..................................................................... 88
5.2.9 AT+CCID Show ICCID ....................................................................................... 88
5.2.10 AT+CDEVICE View Current Flash Device Type ............................................... 89
5.2.11 AT+GSV Display Product Identification Information.......................................... 89
5.2.12 AT+SGPIO Control the GPIO .............................................................................. 90
5.2.13 AT+SLEDS Set the Timer Period of Net Light .................................................... 90
5.2.14 AT+CNETLIGHT Close the Net Light or Open It to Shining ............................. 91
5.2.15 AT+CSGS Netlight Indication of GPRS Status ................................................... 92
5.2.16 AT+CGPIO Control the GPIO by PIN Index ....................................................... 93
5.2.17 AT+CBATCHK Set VBAT Checking Feature ON/OFF ..................................... 94
5.2.18 AT+CNMP Preferred mode selection .................................................................. 94
5.2.19 AT+CMNB Preferred selection between CAT-M and NB-IoT ........................... 95
5.2.20 AT+CPSMS Power Saving Mode Setting............................................................ 96
5.2.21 AT+CEDRXS Entended-DRX Setting ................................................................ 97
5.2.22 AT+CPSI Inquiring UE system information ........................................................ 98
5.2.23 AT+CGNAPN Get Network APN in CAT-M Or NB-IOT ................................. 100
SIM7000 Series_AT Command Manual_V1.03
Smart Machine Smart Decision
5 2018-05-08