Listing of GSM Modem AT commands

3GPP TS 27.007 Release 9 145 V9.4.0 (2010-06)

AT+CAAP         7.25            -  Automatic answer for eMLPP Service 
AT+CACM         8.25            -  Accumulated call meter 
AT+CAEMLPP      7.22            -  eMLPP Priority Registration and Interrogation 
AT+CAHLD        11.1.3          -  Leave an ongoing Voice Group or Voice Broadcast Call 
AT+CAJOIN       11.1.1          -  Accept an incoming Voice Group or Voice Broadcast Call 
AT+CALA         8.16            -  Alarm 
AT+CALCC        11.1.6          -  List current Voice Group and Voice Broadcast Calls 
AT+CALD         8.38            -  Delete alarm 
AT+CALM         8.20            -  Alert sound mode 
AT+CAMM         8.26            -  Accumulated call meter maximum 
AT+CANCHEV      11.1.8          -  NCH Support Indication 
AT+CAOC         7.16            -  Advice of Charge 
AT+CAPD         8.39            -  Postpone or dismiss an alarm 
AT+CAPTT        11.1.4          -  Talker Access for Voice Group Call 
AT+CAREJ        11.1.2          -  Reject an incoming Voice Group or Voice Broadcast Call 
AT+CAULEV       11.1.5          -  Voice Group Call Uplink Status Presentation 
AT+CBC          8.4             -  Battery charge 
AT+CBCAP        8.59            -  Battery Capacity 
AT+CBCHG        8.61            -  Battery Charger Status 
AT+CBCON        8.60            -  Battery Connection Status 
AT+CBCS         11.3.2          -  VBS subscriptions and GId status 
AT+CBKLT        8.51            -  Backlight 
AT+CBST         6.7             -  Select bearer service type 
AT+CCFC         7.11            -  Call forwarding number and conditions 
AT+CCHC         8.46            -  Close Logical Channel 
AT+CCHO         8.45            -  Open Logical Channel 
AT+CCLK         8.15            -  Clock 
AT+CCUG         7.10            -  Closed user group 
AT+CCWA         7.12            -  Call waiting 
AT+CCWE         8.28            -  Call Meter maximum event 
AT+CDIP         7.9             -  Called line identification presentation 
AT+CDIS         8.8             -  Display control 
AT+CEAP         8.47            -  EAP authentication 
AT+CEER         6.10            -  Extended error report 
AT+CEMODE       10.1.28         -  UE modes of operation for EPS 
AT+CEPTT        11.1.10         -  Short Data Transmission during ongoing VGCS 
AT+CEREG        10.1.22         -  EPS network registration status 
AT+CERP         8.48            -  EAP Retrieve Parameters 
AT+CFCS         7.24            -  Fast call setup conditions 
AT+CFUN         8.2             -  Set phone functionality 
AT+CGACT        10.1.10         -  PDP context activate or deactivate 
AT+CGATT        10.1.9          -  PS attach or detach 
AT+CGCLASS      10.1.17         -  GPRS mobile station class 
AT+CGCLOSP      10.1.13         -  Configure local Octet Stream PAD parameters 
AT+CGCMOD       10.1.11         -  PDP Context Modify 
AT+CGCONTRDP    10.1.23         -  PDP Context Read Dynamic Parameters 
AT+CGCS         11.3.1          -  VGCS subscriptions and GId status 
AT+CGDATA       10.1.12         -  Enter data state 
AT+CGDCONT      10.1.1          -  Define PDP Context 
AT+CGDSCONT     10.1.2          -  Define Secondary PDP Context 
AT+CGEQOS       10.1.26         -  Define EPS Quality Of Service 
AT+CGEQOSRDP    10.1.27         -  EPS Quality Of Service Read Dynamic Parameters 
AT+CGEREP       10.1.19         -  Packet Domain event reporting 
AT+CGLA         8.43            -  Generic UICC Logical Channel access 
AT+CGMI         5.1             -  Request manufacturer identification 
AT+CGMM         5.2             -  Request model identification 
AT+CGMR         5.3             -  Request revision identification 
AT+CGREG        10.1.20         -  GPRS network registration status 
AT+CGSMS        10.1.21         -  Select service for MO SMS messages 
AT+CGSN         5.4             -  Request product serial number identification 
AT+CGTFT        10.1.3          -  Traffic Flow Template 
AT+CGTFTRDP     10.1.25         -  Traffic Flow Template Read Dynamic Parameters 
AT+CHLD         7.13            -  Call related supplementary services 
AT+CHSC         6.15            -  HSCSD current call parameters 
AT+CHSD         6.12            -  HSCSD device parameters 
AT+CHSR         6.16            -  HSCSD parameters report 
AT+CHST         6.13            -  HSCSD transparent call configuration 
AT+CHSU         6.17            -  HSCSD automatic user initiated upgrading 
AT+CHUP         6.5             -  Hangup call 
AT+CIMI         5.6             -  Request international mobile subscriber identity 
AT+CIND         8.9             -  Indicator control 
AT+CKPD         8.7             -  Keypad control 
AT+CLAC         8.37            -  List all available AT commands 
AT+CLAE         8.31            -  Language Event 
AT+CLAN         8.30            -  Set Language 
AT+CLCC         7.18            -  List current calls 
AT+CLCK         7.4             -  Facility lock 
AT+CLIP         7.6             -  Calling line identification presentation 
AT+CLIR         7.7             -  Calling line identification restriction 
AT+CLVL         8.23            -  Loudspeaker volume level 
AT+CMAR         8.36            -  Master Reset 
AT+CMEC         8.6             -  Mobile Termination control mode 
AT+CMEE         9.1             -  Report mobile termination error 
AT+CMER         8.10            -  Mobile Termination event reporting 
AT+CMOD         6.4             -  Call mode 
AT+CMOLR        8.50            -  Mobile Originated Location Request 
AT+CMOLRE       9.1             -  Report mobile originated location request error 
AT+CMOLRE       9.3             -  Mobile termination error result code 
AT+CMTLR        8.57            -  Mobile Terminated Location Request notification 
AT+CMUT         8.24            -  Mute control 
AT+CMUX         5.7             -  Multiplexing mode 
AT+CNAP         7.30            -  Calling name identification presentation 
AT+CNUM         7.1             -  Subscriber number 
AT+COLP         7.8             -  Connected line identification presentation 
AT+COLR         7.31            -  Connected line identification restriction status 
AT+COPN         7.21            -  Read operator names 
AT+COPS         7.3             -  PLMN selection 
AT+COTDI        11.1.9          -  Originator to Dispatcher Information 
AT+CPAS         8.1             -  Phone activity status 
AT+CPBF         8.13            -  Find phonebook entries 
AT+CPBR         8.12            -  Read phonebook entries 
AT+CPBS         8.11            -  Select phonebook memory storage 
AT+CPBW         8.14            -  Write phonebook entry 
AT+CPIN         8.3             -  Enter PIN 
AT+CPLS         7.20            -  Selection of preferred PLMN list 
AT+CPNET        7.27            -  Preferred network indication 
AT+CPNSTAT      7.28            -  Preferred network status 
AT+CPOL         7.19            -  Preferred PLMN list 
AT+CPOS         8.55            -  Positioning Control 
AT+CPOSR        8.56            -  Positioning Reporting 
AT+CPPS         7.23            -  eMLPP subscriptions 
AT+CPROT        8.42            -  Enter protocol mode
AT+CPSB         7.29            -  Current Packet Switched Bearer 
AT+CPUC         8.27            -  Price per unit and currency table 
AT+CPWC         8.29            -  Power class 
AT+CPWD         7.5             -  Change password 
AT+CR           6.9             -  Service reporting control 
AT+CRC          6.11            -  Cellular result codes 
AT+CREG         7.2             -  Network registration 
AT+CRLA         8.44            -  Restricted UICC Logical Channel access 
AT+CRLP         6.8             -  Radio link protocol 
AT+CRMC         8.34            -  Ring Melody Control 
AT+CRMP         8.35            -  Ring Melody Playback 
AT+CRSL         8.21            -  Ringer sound level 
AT+CRSM         8.18            -  Restricted SIM access 
AT+CSCC         8.19            -  Secure control command 
AT+CSCS         5.5             -  Select TE character set 
AT+CSDF         6.22            -  Settings date format 
AT+CSGT         8.32            -  Set Greeting Text 
AT+CSIL         6.23            -  Silence Command 
AT+CSIM         8.17            -  Generic SIM access 
AT+CSNS         6.19            -  Single numbering scheme 
AT+CSQ          8.5             -  Signal quality 
AT+CSSAC        7.32            -  Service Specific Access Control restriction status 
AT+CSSN         7.17            -  Supplementary service notifications 
AT+CSTA         6.1             -  Select type of address 
AT+CSTF         6.24            -  Settings time format 
AT+CSVM         8.33            -  Set Voice Mail Number 
AT+CTFR         7.14            -  Call deflection 
AT+CTZR         8.41            -  Time Zone Reporting 
AT+CTZU         8.40            -  Automatic Time Zone Update 
AT+CUAD         8.49            -  UICC Application Discovery 
AT+CUSD         7.15            -  Unstructured supplementary service data 
AT+CVHU         6.20            -  Voice Hangup Control 
AT+CVIB         8.22            -  Vibrator mode 
AT+CVMOD        6.4             -  Voice Call Mode 
AT+FCLASS       C.2.1           -  Select mode 
AT+VBT          C.2.2           -  Buffer threshold setting 
AT+VCID         C.2.3           -  Calling number ID presentation 
AT+VGR          C.2.4           -  Receive gain selection 
AT+VGT          C.2.5           -  Transmit gain selection 
AT+VIP          C.2.6           -  Initialise voice parameters 
AT+VIT          C.2.7           -  Inactivity timer 
AT+VLS          C.2.8           -  Line selection 
AT+VRX          C.2.9           -  Receive data state 
AT+VSM          C.2.10          -  Select compression method 
AT+VTD          C.2.12          -  Tone duration 
AT+VTS          C.2.11          -  DTMF and tone generation 
AT+VTX          C.2.13          -  Transmit data state

Source: http://forum.xda-developers.com/galaxy-s2/help/how-to-talk-to-modem-commands-t1471241

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