
GSM/GPRS Module
M35 AT Commands Manual
M35
_AT_Commands_Manual Confidential / Released 5 /
186
4
Status Control Commands ...............................................................................................................
38
4.1.
AT+CEER Extended Error Report ........................................................................................ 38
4.2.
AT+CPAS Mobile Equipment Activity Status ......................................................................... 39
4.3.
AT+QINDRI Indicate RI when Using URC ............................................................................ 40
4.4.
AT+QMOSTAT Show State of Mobile Originated Call .......................................................... 41
4.5.
AT+QIURC Enable or Disable Initial URC Presentation ....................................................... 41
4.6.
AT+QEXTUNSOL Enable/Disable Proprietary Unsolicited Indications ................................ 42
4.7.
AT+QINISTAT Query State of Initialization ........................................................................... 44
4.8.
AT+QNSTATUS Query GSM Network Status ....................................................................... 44
4.9.
AT+QSIMDET Switch on or off Detecting SIM Card............................................................. 45
5
SIM Related Commands .................................................................................................................... 46
5.1.
AT+CIMI Request International Mobile Subscriber Identity (IMSI) ....................................... 46
5.2.
AT+CLCK Facility Lock ......................................................................................................... 46
5.3.
AT+CPIN Enter PIN .............................................................................................................. 48
5.4.
AT+CPWD Change Password .............................................................................................. 49
5.5.
AT+CRSM Restricted SIM Access ........................................................................................ 51
5.6.
AT+CSIM Generic SIM Access ............................................................................................. 53
5.7.
AT+QCSPWD Change PS Super Password ........................................................................ 53
5.8.
AT+QCCID Show ICCID ....................................................................................................... 54
5.9.
AT+QGID Get SIM Card Group Identifier ............................................................................. 54
5.10.
AT+QSIMVOL Select SIM Card Operating Voltage .............................................................. 55
6
Network Service Commands ............................................................................................................ 56
6.1.
AT+COPS Operator Selection .............................................................................................. 56
6.2.
AT+CREG Network Registration ........................................................................................... 57
6.3.
AT+CSQ Signal Quality Report ............................................................................................. 59
6.4.
AT+CPOL Preferred Operator List ........................................................................................ 60
6.5.
AT+COPN Read Operator Names ........................................................................................ 61