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SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
3.30 AT+CGMR Request revision identification ...................................................................................... 45
3.31 AT+CGSN Request product serial number identification ................................................................. 46
3.32 AT+CSCS Select TE character set .................................................................................................... 47
3.33 AT+CIMI Request international mobile subscriber identity ............................................................. 48
3.34 AT+CIMIM Request another international mobile subscriber identity ............................................. 48
3.35 AT+GCAP Request overall capabilities ............................................................................................ 49
4 AT Commands for Status Control .................................................................................................. 51
4.1 AT+CFUN Set phone functionality ................................................................................................... 51
4.2 AT+CPIN Enter PIN.......................................................................................................................... 52
4.3 AT+CICCID Read ICCID from SIM card ......................................................................................... 53
4.4 AT+CSIM Generic SIM access ......................................................................................................... 54
4.5 AT+CRSM Restricted SIM access .................................................................................................... 55
4.6 AT+SPIC Times remain to input SIM PIN/PUK ............................................................................... 59
4.7 AT+CSPN Get service provider name from SIM .............................................................................. 60
4.8 AT+CSQ Query signal quality .......................................................................................................... 61
4.9 AT+AUTOCSQ Set CSQ report ........................................................................................................ 62
4.10 AT+CSQDELTA Set RSSI delta change threshold ............................................................................ 63
4.11 AT + C ATR Configure URC destination interface .............................................................................. 64
4.12 AT+CPOF Power down the module .................................................................................................. 65
4.13 AT+CRESET Reset the module ........................................................................................................ 66
4.14 AT+CACM Accumulated call meter ................................................................................................. 66
4.15 AT+CAMM Accumulated call meter maximum ............................................................................... 67
4.16 AT+CPUC Price per unit and currency table..................................................................................... 68
4.17 AT+CCLK Real time clock management .......................................................................................... 69
4.18 AT+CMEE Report mobile equipment error ...................................................................................... 70
4.19 AT+CPAS Phone activity status ........................................................................................................ 71
4.20 AT+SIMEI Set IMEI for the module ................................................................................................. 72
4.21 AT+SMEID Request Mobile Equipment Identifier ........................................................................... 73
4.22 AT+CSVM Voice Mail Subscriber number ....................................................................................... 74
4.23 AT+CUSBPIDSWITCH Change module’s PID................................................................................ 75
4.24 Indication of EONS .............................................................................................................................. 76
4.25 Indication of Voice Mail ....................................................................................................................... 76
5 AT Commands for Network ........................................................................................................... 77
5.1 AT+CREG Network registration ....................................................................................................... 77
5.2 AT+COPS Operator selection ........................................................................................................... 78
5.3 AT+CLCK Facility lock .................................................................................................................... 81
5.4 AT+CPWD Change password ........................................................................................................... 82
5.5 AT+CCUG Closed user group ........................................................................................................... 84
5.6 AT+CUSD Unstructured supplementary service data ....................................................................... 85
5.7 AT + C AOC Advice of charge ............................................................................................................ 86
5.8 AT+CSSN Supplementary service notifications ................................................................................ 87
5.9 AT+CPOL Preferred operator list ...................................................................................................... 89
5.10 AT+COPN Read operator names ...................................................................................................... 91
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