AT+CGSN/GSN Command for Querying the Imei, Char | Huawei MG323

HUAWEI MG323 GSM M2M Module
AT Command Interface Specification	Commands for Identification

6.5 AT+CGSN/GSN - Command for Querying the IMEI

The AT+CGSN/GSN command queries the IMEI of the module.

6.5.1Checking Whether the Command for Querying the IMEI Exists

Test	AT+CGSN=? or AT+GSN=?
command
Function	Checks whether the command for querying the IMEI exists.
Response	<CR><LF>OK<CR><LF>

6.5.2 Querying the IMEI

Execution AT+CGSN or AT+GSN command

Function Queries the IMEI of the module.

Response <CR><LF><sn><CR><LF> <CR><LF>OK<CR><LF>

Parameter description

<sn>: string, which indicates the IMEI of the board. Table 6-1 lists the composition of the IMEI.

Table 6-1Composition of the IMEI

8 char	6 char	1 char

TAC	SNR	Spare

TAC: type code assigned to the device

SNR: sequence number of the device

Spare: reserved

6.5.3 Examples

Example:

Query the IMEI.

AT+CGSN

350050500005492

	Issue 02 (2010-11-23)	Huawei Proprietary and Confidential	55
		Copyright © Huawei Technologies Co., Ltd.

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Huawei MG323 AT+CGSN/GSN Command for Querying the Imei, Checking Whether the Command for Querying the Imei Exists, Char

Contents

AT Command Interface Specification No Warranty About This Document HistoryVersion Date Chapter Descriptions Contents Commands for Status Control Commands for Security Control Commands for Call Control Commands for Network Services 110 135 156 160 182 204 Figures Tables 142 Content Description Overall DescriptionProduct Description Overview of AT Command Interfaces Description of AT CommandsA command or a response Instructions for Use Types of AT Commands Prefixed with + 1Format of a basic command Command Format Description 3Types and formats of extended and vendor-defined commands Command Command Format Description Type Abort Attributes of AT Commands Rules for Running AT Commands Organization of This Document Chapter Describes Chapter Describes Commands for Configuration AT&F Command for Restoring Factory Settings AT+CMER AT+CINDAT\Q AT&C AT&D AT&V Command for Querying the Current Configuration Execution commandExamples of Results Returned by the &V Command AT&W Command for Storing the Current Configuration Error errCRLFAT Commands ATQ Command for Controlling the Return of Execution Results ATS7 AT+CRATS3 ATS4 ATS5 ATV Command for Setting the Formats of ME Responses String Format Numeric MeaningConnect Ring ATZ Command for Restoring the Settings Saved by the User ATE Command for Setting EchoError Busy AT+CFUN Command for Setting the Work Mode Test commandQuerying the Supported Work Modes Fun Function Description Remarks 7Relations between work modes and services Setting ValueSetvice URC Reading the Current Work Mode Setting the Work ModeRead AT+CFUN? command Write Atsmso Command for System Shutdown Setting System ShutdownExecution Atsmso command Examples Execution AT+GCAP command Name string for example, +CGSMAT+GCAP +GCAP +CGSM AT+GCAP=? 11 AT+CMEE Command for Setting Terminal Error Reporting Querying the Error Reporting Mode Supported by the TerminalReading the Terminal Error Reporting Mode Test AT+CMEE=? command 12 AT+CSCS Command for Setting the TE Character Setting the Terminal Error Reporting ModeTest AT+CSCS=? command Querying the Character Set Supported by the TE Setting the Character Set of the TE Default value UCS2Reading the Character Set of the TE Value Atscfg Extended Command for Setting Configuration Items Test ATSCFG=? commandStr Value Value Description Sysstart Command for Unsolicitedly Reporting Module Startup Reading the Settings for Configuration ItemsSetting Configuration Items Read ATSCFG? command URC Crlfshutdowncrlf Commands for Status Control AT+CMER Command for Setting Event ReportingQuerying the Supported Settings for Event Reporting Test AT+CMER=? command AT+CIND Command for Controlling Indication Events Reading the Current Settings for Event ReportingSetting the Event Reporting Mode Test AT+CIND=? command IndDescr IndValue Setting Whether to Report Indication Events Read AT+CIND? commandReading the Current Indication Status Atsind Extended Command for Controlling Indication Events Querying the Supported Report EventsSysstart AT+CIND=? IndDescr IndValue Reading the Current Event Reporting Mode Read AT+WS46 Command for Selecting a Radio Network Test AT+WS46=? commandQuerying the Supported Radio Networks Crlfsind +CIEV Command for Indicating the Status Change Setting the Radio Network to Be RegisteredRead AT+WS46? command Reading the Current Radio Network Commands for Serial Port Control AT\Q Command for Enabling Software or Hardware Flow ControlAT&C Command for Setting the DCD Usage State AT\Q command sets the flow control mode AT&D Command for Setting the DTR Usage State AT&S Command for Setting the DSR Usage State AT+IPR Command for Setting the Baud Rate Test AT+IPR=? commandRead AT+IPR? command Querying the Supported Baud Rates of the DTE-DCE AT+CMUX Command for Setting Multiplexing Setting the Baud Rate of the DTE-DCEQuerying the Supported Settings for Multiplexing Test AT+CMUX=? command Issue 02 Huawei Proprietary and Confidential Reading the Current Settings for Multiplexing Setting MultiplexingCase of an error CRLF+CME Error errCRLF Command Commands for Security Control AT+CPIN Command for PIN ManagementChecking Whether a PIN Management Command Exists Reading the Password Entry Request Responding to the Password Entry Request Example Enter the PIN code for unlocking AT+CLCK Command for Locking and Unlocking the Device Checking the Devices Supported by This CommandAT+CLCK command locks and unlocks the device AT+CPIN? +CPIN SIM PIN Locking and Unlocking the Device AT+CPWD Command for Modifying the Password AT+CPWD command modifies the passwordAT+CLCK=SC,2 +CLCK Modifying the Password TestAT+CPWD=? Example Run AT+CPWD to modify the PIN code Card+CLCK0 Commands for Identification ATI Command for Querying the Product Information AT+CGMI/GMI Command for Querying the Vendor Information ATI+GCAP +CGSM ATI4 Huawei MG323 AT+CGMM/GMM Command for Querying the Product Model AT+CGMM/GMM command queries the product modelQuerying the Vendor Information Request Query the vendor information Querying the Product Model Number Request Example Query the product model numberAT+CGMM MG323 Querying the Software Version Number Example Query the software version numberAT+CGMR 11.810.01.00.00 OK AT+GMR AT+CGSN/GSN Command for Querying the Imei Checking Whether the Command for Querying the Imei ExistsQuerying the Imei Char AT+CIMI Command for Querying the Imsi Checking Whether the Command for Querying the Imsi ExistsTest AT+CIMI=? command Querying the Imsi Example Query the Imsi AT+CIMI46009755200774 Commands for Call Control ATD Command for Originating a CallCase of failed link establishment Crlfno Carriercrlf ATD*99# Command for Requesting the Gprs Service ATD*98# Command for Requesting the Gprs IP ServiceCarriercrlf ATH Command for Hanging Up the Connection Execution ATHn commandCrlfconnectcrlf ATA Command for Answering a Call or Data Services Reading the Settings of the Automatic Answer Data ServicesCrlfokcrlf Crlfno Carriercrlf Setting Unsolicitedly Answering Data Services Reading the Set Waiting Duration Request Setting the Waiting Duration Test AT+CRLP=? commandQuerying the Supported RLP Parameters AT+CBST Command for Setting the Bearer Service Type Querying the Supported Bearer Service Types Querying the Current Bearer Service TypeSetting the Bearer Service Type Test AT+CBST=? command 10 +++ Command for Switching Data Mode to Command Mode ATO Command for Switching Command Mode to Data ModeExecution +++ Command Execution ATOn command 12 AT+CHUP Command for Hanging Up Data Services 13 AT+CR Command for Setting the Service Reporting Mode12.2 AT+CHUP Command for Hanging Up Checking Whether AT+CHUP Hang-up Is Supported Querying the Supported Settings for Service Reporting Reading the Current Settings for Service ReportingMode integer Default value disables service reporting Connect 14 AT+CRC Command for Setting the Cell Result Codes Setting Service ReportingQuerying the Supported Settings for the Cell Result Codes AT+CRC=? 15 AT+VTS Command for Sending the Dtmf Tone Querying the Current Settings for the Cell Result CodesSettings the Cell Result Codes AT+VTS command sends the Dtmf tone Querying the Settings Supported by the AT+CLIP Command Sending the Dtmf ToneSupported nsCRLF AT+CLIP=? Reading the Settings of the Clip Service Setting the Clip16.4 +CLIP Command for Unsolicitedly Reporting the CLI MCRLF Ring Command for Unsolicitedly Reporting Incoming Calls Type character string. -3 lists the values 3type valuesURC Crlfringcrlf Commands for Network Services AT+COPN Command for Querying the Operator NameChecking Whether This Command Is Supported AT+COPN command queries the operator name AT+COPS Command for Selecting Operators Execution AT+COPN commandReading the List of Operators AT+COPN=? Crlfokcrlf Setting the Current Operator Information Example Obtain the list of available operator informationAT+COPS=? AT+COPS? AT+CREG Command for Querying Network Registration Checking the Parameter Range Supported by This CommandAT+CREG command queries network registration Case of an error during command execution Setting the Status of Network Registration Querying the Current Status of Network Registration AT+CSQ Command for Querying the Signal Quality AT+CREG?AT+CREG=2 CRLF+CSQ list of supported rssis,list of supported bersCRLF Atsmonc Command for Querying the Cell Information Querying the Current Signal QualityExample Query the parameter range supported by the command AT+CSQ=? Checking Whether This Command Is Available Test ATSMONC=? commandQuerying the Cell Information Atsmonc ATSMONC=? Example Query the current cell informationAtsmonc Smonc ATSMOND=? Execution Atsmond command RSSI,BER BER bit error rate 0-7 AtsmondATMONI=? 1List of parameters for the serving cell Parameter DescriptionParameter values set for the ME in different states ME has accessed the cell and registered with the network Serving cell Dedicated ChannelMCC MNC LAC NCC BCC PWR Execution Atmoni command Crlfcrlfokcrlf ATMONI=? AtmoniATMONI=1 Atmonp Command for Monitoring Idle Neighbor Cells PWRDBm Q ChMod Case of an error related to the MT during command Execution CRLF+CME Error errCRLFATMONP=? Execution Atmonp command Obtaining the Monitoring Information About Neighbor Cells ATMONP=? Monp Example Query the information about neighbor cells AtmonpATMONP=1 Chann rs DBm MCC MNC BCC 712 460 001 735 705 Atsmong Command for Gprs Monitoring 712 20 -73 460Bcch Pbcch PATNOM RAC Execution Atsmong command Crlfbcch G Pbcch PAT MCC MNC NOM TA Example Obtain the parameter range ATSMONG=?Smong 1,1-100 Atsmong Bcch Pbcch PAT MCC MNC NOM TA RACATSMONG=1,1 Bcch Pbcch PAT MCC MNC NOM RAC Atsplm Command for Reading the Plmn List Atsplm command reads the Plmn list552 460 255 Execution Atsplm command Querying the List of Operator Names Saved on the MEExample Query the list of operators saved on the ME Atsplm AT+CPOL command sets the list of preferred operators Default value operator information oper in numeric format Setting the List of Preferred Operators Querying the List of Preferred OperatorsOperator indicates an operator name in numeric format Example Add a preferred operator AT+CPOL=1,2,46000 Atsplr Command for Querying Preferred Operators Atsplr command queries preferred operatorsQuerying the Current Range of Preferred Operators Indexa sequence number range supported by the SIM card Atsplw Command for Writing Preferred Operators ATSPLR=1,2 14 AT+CNUM Command for Querying Subscriber Numbers Writing the Information About Preferred Operators Execution AT+CNUM command Querying the Msisdn Related to SubscribersCRLF+CNUM AT+CPBS=ON AT+CPBW=1,13903702769,145 Query the MsisdnAT+CNUM AT+CPBS=ON AT+CPBW=1 AT+CNUM Commands for Data Services Querying the Supported Status of PDP ContextAT+CGACT=? Setting the Activation State of the PDP Context Case of an error related to the MT CRLF+CMEReading the Activation State of the PDP Context AT+CGACT? Checking the Supported Gprs Service State AT+CGACT? +CGACT 1,0AT+CGACT=1,1 AT+CGACT? Querying the Current Gprs Service State Setting the Gprs Service StateAT+CGATT? AT+CGATT=0 AT+CGEREP Command for Reporting Gprs Events Checking the Supported Gprs Event Reporting ModeAT+CGEREP=? Reading the Gprs Event Reporting Mode Setting the Gprs Event Reporting ModeURC AT+CGDATA Command for Entering the Data Mode URC +CGEV NW DetachNetwork requests for Gprs detachment URC +CGEV MT Detach Case of failed command execution Establishing Communication Between the TE and NetworkCase of failed communication establishment Crlfno AT+CGDATA=? AT+CGDCONT Command for Defining the PDP Context Run +++ to quit the data mode and enter the command modeAT+CGDCONT? +CGDCONT1,IP,1234,0.0.0.0,0,0 Establish the communication Querying the Range of PDP Related Parameters AT+CGDCONT=? Setting the Status of the PDP Context Reading the Status of the PDP Context+CGDCONT1,IP,1234,,0,0 CRLF+CGDCONT …CRLFCRLF Crlfokcrlf AT+CGPADDR Command for Reading the PDP Address Querying the Supported PDP Index ValueReading the PDP Address List of the Specified PDP Context AT+CGPADDR=? Read the PDP address. AT+CGPADDR=1 +CGPADDR1,192.168.50.64 Delay Level Average Percentile Transmission Delay When the size of SDU is 1024 octetsQuerying the Supported QoS Parameter Range AT+CGQMIN=? Issue 02 Huawei Proprietary and Confidential 124 Querying the Minimum QoS of All PDP Contexts CRLF+CGQMIN AT+CGQREQ Command for Setting the Requested QoS Profile Setting the Minimum QoS of a PDP ContextChecking the Parameter Range Supported by the Command AT+CGQREQ=? Delay Level Average Transmission Delay Percentile Issue 02 Huawei Proprietary and Confidential 128 Setting the QoS of a PDP Context Querying All QoS Levels Specified by the TEWrite comm Functi on Respo nse CRLF+CGQREQ AT+CGREG=? 4 +CGREG Command for Reporting Unsolicitedly 10 AT+CGSMS Command for Selecting the MO SMS Bearer Domain AT+CGSMS command sets the MT SMS bearer domainQuerying the Supported SMS Bearer Domains Reading the Current SMS Bearer Domain Setting the SMS Bearer Domain Issue 02 Huawei Proprietary and Confidential 134 Commands for Internet Services Atsics Command for Creating a Connection ProfileChecking Whether the Sics Command Is Available Atsics command can create and edit a connection profile Reading the Information About Connection Profiles CSD Not SupportedCurrently Setting the Internet Connection Profile Atsici Command for Querying the Connection Profile Atsici command queries the status of the connection profileQuery the status of the connection profile ATSICS? Querying the ID of the Defined Connection Profile Querying the Status of the Connection ProfileATSICI=? ATSICI? Displaying the Status of the Specified Connection Profile Example Query the ID of the supported connection profileATSICI=? ATSICI? Atsiss Command for Creating the Service Profile Reading the Status of the Service ProfileAtsiss command sets the service profile Test ATSISS=? command SrvParmTag Mandatory/Optional SrvParmTag SrvParmValue Setting the Internet Service Profile Atsisi Command for Querying the Service Profile Querying the ID of the Defined Service ProfileQuery the status of the service profile Atsisi command queries the status of the service profile Querying the Status of the Service Profile Crlfsisi Displaying the Status of the Specified Service Profile ATSISI=?ATSISI? Atsiso Command for Starting Internet Services Querying the Open Status of All ServicesThis command starts a specified Internet service ATSISO? Starting a Specified Internet Service Example Enable serviceATSISO=0 Atsisc Command for Stopping Internet Services Stopping a Specified Internet ServiceATSISO? Atsisw Command for Writing Data for Internet Services Writing Data to the Buffer of a ServiceTest ATSISW=? command ATSISC=0 Sisw Command for Reporting Unsolicitedly Example Check whether the command is availableATSISW=? Atsisr Command for Internet Services to Read Data Checking Whether the Atsisr Command Is AvailableAtsisr command reads data out from the service buffer User enters 20 characters here Reading Data Out From the Buffer of an Internet Service Crlfsisr Sisr Command for Reporting Unsolicitedly Exmaples URC Crlfsis srvProfileId,urcCause, urcInfoId,urcInfoTextCRLF Commands for Short Messages 11.1 AT+CMGD Command for Deleting Short MessagesAT+CMGD=? Case of an error related to the MS CRLF+CMS Deleting Short MessagesExample AT+CMGD=? +CMGD1-255 Check the parameter range AT+CMGD=1 Checking the Supported Format of Short Messages Delete all the short messages that areStored on the SIM card AT+CMGF=? Setting the Format of Short Messages Reading the Format of Short MessagesAT+CMGF=0 AT+CMGF? AT+CMGF=0, that is, when short messages are in PDU mode Checking the Supported Status of Short Messages Reading the List of Short Messages SCAOct Oct to 1Oct 12 Oct 11.4 AT+CMGR Command for Reading Short Messages +CMGL 1,1 …Short messages in PDU modeAT+CMGL=4 AT+CMGR=? When short messages are in PDU mode +CMGR=0 CRLF+CMS Error errCRLFIndex of the SIM card CRLF+CME Error Reading Short Messages 11.5 AT+CMGS Command for Sending Short Messages Test AT+CMGS=? commandThis command sends short messages in PDU mode +CMGF=0 Write command 11.6 AT+CMGW Command for Storing Short Messages AT+CGSMS=1 AT+CMGF=0AT+CMGS=20 This command stores short messages in PDU mode +CMGF=0 Example Store a short message in PDU modeStoring Short Messages AT+CMGF=0 AT+CMGW=56 Test AT+CMSS=? command When the short message is in PDU mode +CMGF=0Sending a Short Message at the Specified Location Short message is successfully sent Example Send a stored short message in PDU mode AT+CMGF=0 AT+CMSS=8Location whose index is +CMSS AT+CNMI=? Issue 02 Huawei Proprietary and Confidential 169 Setting the Status of Short Message Notification Reading the Status of Short Message NotificationAT+CNMI=1,1,0,0,0 CRLF+CNMI AT+CPMS command sets the storage location of short messages Checking the Storage Location of Short MessagesAT+CPMS=? Reading the Status of Storage Location AT+CPMS?CRLF+CPMS 11.10 AT+CSCA Command for Setting the Number Setting the Storage LocationAT+CPMS=? AT+CPMS? Checking Whether the Command Is Available Response z When the Smsc has been registeredReading the Currently Registered Number of the Smsc Setting the Number of the Smsc Management or service. The subscriber cannot use this valueNumber is organized by the network Number falls within the number range of the home country AT+CSCB command selects the type of cell messages AT+CSCA?+CSCA 1380063859 Setting the Current CBM Type Reading the Current CBM TypeExample Query the current CBM information AT+CSCB? 11.12 AT+CSMS Command for Setting the Message Service Type AT+CSMS command sets the message service typeAT+CSCB=? +CSCB 0,1 Reading the Current Message Service Type Setting the Message Service TypeExample AT+CSMS=? +CSMS AT+CSMS? 11.13 +CMTI Command for Unsolicitedly Reporting SMS Arrival 11.14 +CMT Command for Unsolicitedly Reporting a New SM+CMTI command is used to indicate that a new SM is received +CMT command is used to indicate that a new SM is received 11.15 +CBM Command for Unsolicitedly Reporting a Cell SM Commands for the SIM Card Checking Whether the +CRSM Command Is AvailableAT+CRSM=? Accessing the SIM Database CRLF+CRSM Commands for the Phone Book 13.1 AT+CPBR Command for Reading the Phone BookChecking the Parameter Range Supported by the +CPBR Command AT+CPBR command reads the phone book 13.1.2 +CPBR Command for Reading the Phone Book AT+CPBR=?CRLF+CPBR 13.2 AT+CPBW Command for Writing the Phone Book Example Query the parameter range supported by this command Writing a Record into the Phone BookAT+ CPBW=? 13.3 AT+CPBS Command for Selecting the Phone Book Memory Checking the Value Range Supported by the +CPBS CommandAT+CPBS=? Setting the Memory Type of the Phone Book Reading the Current Memory of the Phone BookAT+CPBS=? +CPBS FD,SM,ON,LD,MC,RC,EN Example AT+CPBS? +CPBS SM,23,250 ExampleAT+CPBS=SM Commands for Hardware Control Case of an error related to the MT CRLF+CME ErrorInteger, which indicates the index of the alarm clock array 14.1 AT+CALA Querying the Set Alarm Clock Setting an Alarm ClockAT+CALA? 14.2 AT+CCLK Command for Setting the System Time 14.1.4 +CALA Command for Reporting Unsolicitedly+CALA 0,0,1-16 Example Query the current alarm clock AT+CALA=? Setting the System Time Test ATCCLK=? commandQuerying the Current System Time AT+CCLK? Example Query the current system time AT+CCLK? Commands for Audio Control Atswspath Command for Switching Between Audio ChannelsThis chapter describes the AT commands for audio control Atswspath command switches the audio channel Switching the Audio Channel AT+CMIC command adjusts the the mircophone gain levelReading the Current Audio Channel Querying the Supported Microphnoe Gain Levels Atecho Command for Suppressing the Echo Setting the Microphone Gain LevelAtecho command suppresses the echo Querying the Current Microphone Gain Level Case of an errorCRLFERRORCRLF Querying the Supported Echo Suppressing FunctionsATECHO=? ATECHO? 15.4 AT+CLVL Command for Adjusting the Speaker Volume Setting the Echo Suppressing FunctionQuerying the Supported Speaker Volume Level AT+CLVL command adjusts the speaker volume 15.5 AT+CMUT Command for Muting and Unmuting the Microphone Reading the Current Speaker VolumeSetting the Speaker Volume AT+CMUT command is used to mute and unmute the microphone Querying the Supported Muting Settings for the Microphone Reading the Curent Muting Settings of the MicrophoneTest AT+CMUT=? command AT+CMUT? Setting the Muting Function of the Microphone Other Commands 16.1 A/ Command for Executing the Previous Command AgainExecution Command Execution command Function Querying the Current Command Line Ending Character Setting the Command Line Ending CharacterATS3? 16.3 ATS4 Command for Setting the Response Format Character 013 Example Set the command line ending character ATS3=13Querying the Current Format Character CRLFnCRLFCRLFOKCRLF 16.4 ATS5 Command for Setting the Backspace Character Setting the Response Format CharacterExample Query the current response format character ATS4? Setting the Current Backspace Character Querying the Current Backspace CharacterATS5? ATS5=8 Crlftherm modeCRLF List of effects on AT commands imposed by SIM PIN 1List of effects on AT commands imposed by SIM PINAppendix Commands for status control Commands for serial port controlCommands for security control Commands for identification Commands for network services Commands for data servicesATS7 AT+CRLP AT+CBST ATO AT+CHUP AT+CR AT+CRC AT+VTS AT+CLIP Commands for Internet services Commands for short messagesCommand related to the SIM card Commands for the phone book List of URC Commands Commands related to the hardwareCommands for audio control Other commands AT+CALA Sysstart Alarm Mode SISAT+CGEREP AT+CGEREP +CGEV NW Detach +CGEV ME Detach List of CME/CMS Error Codes 3Common CME Error codesErr Code Text AT+CMEE=2 4CME Error codes related to the Gprs 5CMS Error codes related to the SMS 6CME Error codes related to the MG323 onlyErr Code Text AT+CMEE=2 Not Supported Currently No +CNMA ACK ExpectedPage Acronyms and Abbreviations 7Acronyms and abbreviationsAcronym and Abbreviation Full Spelling PDP PDUPIN Plmn XCD XERWcdma