Main              
Wireless GSM/GPRS Modems 
AT Commands             
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              Contents 
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              Chapter 1  Introduction 
Scope of This Document                 
Related Documents 
Definitions               
Chapter 2  AT Command  Featu re s 
Line Settings                 
Command Line 
Information Responses and Result Codes               
Chapter 3  General Behaviors 
SIM Card Insertion and Removal Procedures                 
Background Initialization 
About the Length of Phone Numbers                 
Example:
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              Chapter 4  General AT  Commands 
Manufacturer Identification   +CGMI                 
Request Model Identification   +CGMM 
Request Revision Identification   +CGMR               
Product Serial Number   +CGSN 
Select TE Character Set   +CSCS                 
Phonebook Character Set   +WPCS 
              Request IMSI   +CIMI 
Card Identification   +CCID                 
Capabilities List   +GCAP 
Repeat Last Command  A/               
Power Off  +CPOF 
Set Phone Functionality   +CFUN               
Phone Activity Status   +CPAS 
Report Mobile Equipment Errors   +CMEE                 
Keypad Control   +CKPD 
              Clock Management   +CCLK 
Alarm Management   +CALA               
Chapter 5  Call Control  Commands 
Dial Command   D               
Hang-Up Command   H 
              Answer a Call   A 
Remote Disconnection                 
Extended Error Report   +CEER 
DTMF Signals   +VTD, +VTS                 
+VTD 
              Redial Last Telephone Number   DL 
              Automatic Dialing with DTR   %D 
Automatic Answer   S0               
Incoming Call Bearer   +CICB 
Single Numbering Scheme   +CSNS                 
Gain Control   +VGR, +VGT 
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              Microphone Mute Control   +CMUT 
Speaker & Microphone Selection   +SPEAKER               
Echo Cancellation   +ECHO 
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              SideTone Modification   +SIDET 
Initialize Voice Parameters   +VIP               
Chapter 6  Network Service  Commands 
Signal Quality  +CSQ                 
Operator Selection   +COPS 
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              Network Registration   +CREG 
Operator List Management   +WOLM               
Read Operator Name  +WOPN 
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              Selection of Preferred PLMN List   +CPLS 
              Preferred Operator List   +CPOL 
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              Read Operator Name   +COPN 
              Chapter 7  Security  Commands 
Enter PIN   +CPIN             
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              Enter PIN2   +CPIN2  
PIN Remaining Attempt Number   +CPINC               
Facility Lock   +CLCK 
              Change Password   +CPWD 
              Chapter 8  Phonebook  Commands 
Introduction to Phonebook Commands                 
About the Parameters 
SIM Contact Structure                 
Extended SIM Contact Structure 
              Select Phonebook Memory Storage  +CPBS 
              Read Phonebook Entries   +CPBR 
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              Write Phonebook Entry   +CPBW 
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              Find Phonebook Entries   +CPBF 
              Phonebook Phone Search   +CPBP 
              Move Action in Phonebook   +CPBN 
              Subscriber Number   +CNUM 
              Avoid Phonebook Initialization   +WAIP 
Delete Calls Phonebook   +WDCP                 
Set Voice Mail Number  +CSVM 
              Contact Selector  +WCOS 
Create and Delete a Phonebook Group  +WPGW               
Read a Phonebook Group  +WPGR 
              Settings of a Phonebook Group  +WPGS 
              Chapter 9  Short Messages 
Parameters Definition               
Select Message Service  +CSMS 
New Message Acknowledgement   +CNMA                 
Example of New Message Acknowledgement in TEXT Mode 
              Example of New Message Acknowledgement in PDU Mode: 
              Preferred Message Storage   +CPMS 
              Preferred Message Format   +CMGF 
              Save Settings   +CSAS 
Restore Settings   +CRES                 
Show Text Mode Parameters  +CSDH 
              New Message Indication   +CNMI 
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              Read Message   +CMGR 
              List Message   +CMGL 
              Send Message   +CMGS 
              Write Message to Memory   +CMGW 
              Send Message from Storage   +CMSS 
Set Text Mode Parameters  +CSMP               
Delete Message   +CMGD 
              Service Center Address   +CSCA 
Select Cell Broadcast Message Types   +CSCB               
Cell Broadcast Message Identifiers   +WCBM 
Message Status Modification   +WMSC               
Message Overwriting   +WMGO 
              Change or Do Not Change SMS Status   +WUSS 
              Copy Messages   +WMCP 
              More Messages to Send   +CMMS 
              Chapter 10  Supplementary  Services Commands 
Call Forwarding  +CCFC               
Call Barring   +CLCK 
Modify SS Password   +CPWD               
Call Waiting   +CCWA 
              Calling Line Identification Restriction   +CLIR 
Calling Line Identification Presentation   +CLIP               
Connected Line Identification Presentation   +COLP 
              Advice of Charge   +CAOC 
Accumulated Call Meter   +CACM               
Accumulated Call Meter Maximum   +CAMM 
Price Per Unit and Currency Table   +CPUC               
Call Related Supplementary Services   +CHLD 
              List Current Calls   +CLCC 
              Supplementary Service Notifications   +CSSN 
              Unstructured Supplementary Service Data   +CUSD 
              Closed User Group  +CCUG 
              Chapter 11  Data Commands 
Using AT Commands During a Data Connection                 
Switch from Online to Offline Mode 
Switch from Offline to Online Mode               
Bearer Type Selection   +CBST 
              Select Mode   +FCLASS 
Service Reporting Control  +CR               
Cellular Result Codes   +CRC 
DTE-DCE Local Rate Reporting   +ILRR               
Radio Link Protocol Parameters   +CRLP 
Other Radio Link Parameters  +DOPT               
Select Data Compression  %C 
V42bis Data Compression   +DS               
V42bis Data Compression Report   +DR 
Select Data Error Correcting Mode   \N                
Ch ap te r 12  V.24  an d V.2 5  Commands 
Important                 
Fixed DTE Rate   +IPR 
              DTE-DCE Character Framing   +ICF 
              DTE-DCE Local Flow Control   +IFC 
Set DCD Signal   &C               
Set DTR Signal   &D 
Set DSR Signal   &S                 
Back to Online Mode  O 
Result Code Suppression   Q               
DCE Response Format   V 
Default Configuration   Z                 
Save Configuration  &W 
              Auto-Tests   &T 
Echo   E                 
Restore Factory Settings   &F 
              Display Configuration   &V 
Request Identification Information   I               
Multiplexing Mode  +WMUX 
              Chapter 13  Specific AT  Commands 
Cell Environment Description   +CCED               
 Combination of the requested dump is supported (addition of the values 1, 2, 4, and 8): 
 Values of MCC/MNC are set to 0 in the case of No service.               
General Indications   +WIND 
 To activate a specific WIND indication, <IndLevel> must have a value described above.                 
 To activate several WIND indications, <IndLevel> must have a value just before the last 
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                Analog Digital Converter Measurements  +ADC 
              Mobile Equipment Event Reporting   +CMER 
              Read Language Preference   +WLPR 
Write Language Preference   +WLPW               
Read GPIO Value  +WIOR 
Write GPIO Value   +WIOW               
Input/Output Management   +WIOM 
 <GpioDir> bit values for GPI and GPO are ignored.    <GpioVal> bit values for GPI are ignored.               
Abort Command   +WAC 
              Play Tone   +WTONE 
              Play DTMF Tone   +WDTMF 
Downloading   +WDWL               
Voice Rate  +WVR 
              Data Rate   +WDR 
              Select Voice Gain   +WSVG 
Status Request   +WSTR               
Scan   +WSCAN 
Ring Indicator Mode   +WRIM               
32kHz Power Down Mode   +W32K 
Change Default Melody   +WCDM               
Custom Character Set   +WCCS 
              Lock   +WLCK 
              CPHS Command   +CPHS 
              Chapter 13  Specific AT Commands  
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)  127               
Unsolicited Result: Voice Mail Indicator   +WVMI 
Unsolicited Result: Diverted Call Indicator   +WDCI               
Network Operator Name   +WNON 
CPHS Information   +WCPI               
Customer Service Profile  +WCSP 
Customer Storage Mirror   +WMIR                 
Change Default Player  +WCDP 
              CPHS Mail Box Number   +WMBN 
              Alternate Line Service   +WALS 
              Wavecom Open AT Control Command   +WOPEN 
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              Reset   +WRST 
Set Standard Tone   +WSST               
Hang-up   +WATH 
              Multi-Band Selection   +WMBS 
              Chapter 14  SIM Toolkit 
Overview of SIM Application Toolkit                 
Functionality 
Profile Download                 
Proactive SIM 
              Messages Exchanged During a SIM Toolkit Operation 
              SIM Toolkit Commands   SIM Toolkit Set Facilities   +STSF 
SIM Toolkit Facilities Error Codes               
Example 
              SIM Toolkit Indication   +STIN or +STRIL 
              SIM Toolkit Get Information   +STGI 
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              Unsolicited Result: SIM Toolkit Control Response    +STCR 
SIM Toolkit Give Response   +STGR             
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              Chapter 14  SIM Toolkit  
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)  148                 
 
OK               
Chapter 15  GPRS commands 
Define PDP Context   +CGDCONT             
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              Quality of Service Profile Requested  +CGQREQ 
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              Quality of Service Profile Minimum Acceptable    +CGQMIN 
              GPRS Attach or Detach   +CGATT 
              PDP Context Activate or Deactivate   +CGACT 
              Enter Data State   +CGDATA 
              GPRS Mobile Station Class   +CGCLASS 
              Select Service for MO SMS Messages   +CGSMS 
              GPRS Event Reporting   +CGEREP 
              GPRS Network Registration Status   +CGREG 
              Request GPRS IP Service   D 
              Network Requested PDP Context Activation 
Automatic Response to a Network Request for PDP Context Activation  S0                 
Manual Acceptance of a Network Request for PDP Aontext Activation  A 
Manual Rrejection of a Network Request for PDP Context Activation  H               
Automatic Response to a Network Request for PDP  Context Activation   +CGAUTO 
              Manual Response to a Network Request for PDP  Context Activation   +CGANS 
              Show PDP Address   +CGPADDR 
Cellular Result Codes   +CRC               
Service Reporting Control   +CR 
Extended Error Report   +CEER               
GPRS Parameters Customization   +WGPRS 
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              Examples of Full GPRS AT Commands 
Activation of an IP PDP Context  Example 1                 
Example 2 
  Network Request               
Chapter 16  Other AT  Commands 
              Appendix A  Result Codes,  Failure Causes, Other Tables 
Chapter Summary               
ME Error Result Code:   +CME ERROR: <error>  
              Message Service Failure Result Code  +CMS ERROR 
Specific Error Result Codes             
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              Failure Cause from GSM 04.08 Recommendation  +CEER 
Continued: Failure Cause from GSM 04.08 Recommendation  +CEER               
Specific Failure Cause for +CEER 
              GSM 04.11 Annex E-2:  Mobile Originating SM-Transfer 
              Unsolicited Result Codes 
Final Result Codes                 
Intermediate Result Codes 
              Parameter Storage Mode 
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              GSM Sequences List  
Security                 
Call Forwarding 
              Call Barring 
Call Waiting                 
Number Presentation 
Operator Names               
CPHS Information Field 
              CSP Constants 
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              Appendix B - ME SIM Toolkit  Support 
Appendix C  Structure of the Terminal Profile                  
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)  188 
               Appendix C  Structure of the  Ter mi na l P rofi le 
              Appendix C  Structure of the Terminal Profile  
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)  189               
Appendix D  Command Type   and Next Action Indicator 
              Appendix E  Coding of Alpha  fields in the SIM for UCS2 
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              Appendix F  Command  Execution and Dependence on  SIM 
General Commands                 
Call Control Commands 
              Network Service Commands 
Security Commands                 
Phonebook Commands 
Short Messages Commands               
Supplementary Services Commands 
Data Commands                 
V24-V25 Commands 
              Specific AT Commands 
SIM Toolkit Commands               
GPRS Commands 
              Index 
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