First, general command 1, AT CGMI gives the logo of the module vendor. 2, AT CGMM gets the module identity. This command is used to support the supported frequency band (GSM 900, DCS 1800, or PCS 1900). When the module has a multi-band, the response may be a combination of different frequency bands. 3, AT CGMR Get the software version of the information. 4, AT CGSN gets the IMEI (International Mobile Device Identification) serial number of the GSM module. 5, AT CSCS Select the TE feature setting. This command reports which state settings are set to the ME. ME then converts each input or displayed letter. This is used to send, read or write SMS. 6, AT WPCS Set the phone book status. This special command reports the ME of the state used by the TE phone book. ME then can convert each input or displayed string letter. This is used to read or write the entrance to the phone book. 7. At CIMI gets IMSI. This command is used to read or identify the IMSI (International Mobile Signer ID) of the SIM card. You should enter the PIN before reading the IMSI, if PIN is required). 8, AT CCID gets the logo of the SIM card. This command enables the module to read the EF-CCID file on the SIM card. 9, AT GCAP Get Commented Table. (Supported features) 10, A / Repeat last command. Only A / command cannot be repeated. This command repeats the previous execution command. 11, AT CPOF shutdown. This special command stops the GSM software stack and hardware layer. The function of the command at cfun = 0 is the same as CPOF. 12, AT CFUN Setting the phone. This command selects the function level of the mobile site. 13, AT CPAS Returns the activity status of the mobile device. 14. At CMEE reports the error of the mobile device. This command decides to allow or not allow the results " CME Error:
Second, the call control command 1, the ATD dial command. This command is used to set a call, data or fax call. 2, ATH hang up command. 3, ATA answering the phone. 4, AT CEER extension error report. This command gives the reason for interrupting the call after the last call setting fails. 5, AT VTD provides users with application GSM network sends DTMF (dual-tone multi-frequency) dual audio. This command is used to define the length of the dual audio (the default is 300 milliseconds). 6, AT VTS provides users with application GSM network to send DTMF dual audio. This command allows transfer of dual audio. 7, ATDL redial the last phone number. 8. Automatic dialing when at% DN data terminal ready (DTR) is ready (DTR). 9, ATS0 automatic response. 10, AT CICB calls to the electric standard. 11, AT CSNS Single Number Plan. 12, AT VGR, AT VGT gain control. This command is applied to the adjustment gain of the speaker and the transmission gain of the microphone. 13, AT CMUT microphone mute control. 14, AT Speaker Tracter / Microphone Selection. This special command is used to select a speaker and a microphone. 15, AT Echo echo cancellation. 16, AT SIDET side sound correction. 17, AT VIP initializes sound parameters. 18, AT DUI dials with additional user information. 19. At Hui hang up with additional user information. 20. At RUI receives additional user information. The following is the AT instruction table: three, network service command 1, AT CSQ signal quality. 2, AT COPS service provider choice. 3, AT CREG network registration. Get the registration status of your phone. 4, AT WOPN reads the operator name. 5, AT CPOL priority operator list. Fourth, the security command 1, AT CPIN Enter the PIN. 2, at cpin2 input PIN2. 3, the remaining attempt number of the AT CPINC PIN. 4, AT CLCK device lock. 5, AT CPWD changes the password.
V. Phone book command 1, AT CPBS Select phone book memory storage. 2, AT CPBR Read the phone book table. 3, At CPBF look up the phone book table. 4, AT CPBW write phone book table. 5, AT CPBP phone book phone query. 6, AT CPBN phone book mobile action. This special command moves or posts the items in the phone book (in alphabetical order) 7, the AT CNUM signator number. 8, AT WAIP prevents all phone books from being initialized at the next restart. 9, AT WDCP Delete Call Phone Number. 10, AT CSVM Setup Voice Mail Numbers.
Six, short message command 1, AT CSMS Select message service. Supported services include GSM-Mo, SMS-MT, SMS-CB. 2, AT CNMA new information confirmation response. 3, AT CPMS priority information storage. This command defines the storage area used to read and write information. 4, AT CMGF priority information format. The format has a text method and a PDU mode. 5, AT CSAS Save Setup. Save CSAs and CSMP parameters. 6, AT CRES recovery settings. 7. AT CSDH Displays the parameters of the text method. 8, AT CNMI new information indication. This command selects how to receive short messages from the network. 9, AT CMGR Read SMS. Information is read from the memory set from the CPMS command. 10, AT cmgl lists the stored information. 11, AT CMGS Send information. 12, AT CMGW Write short information and store it. 13, AT CMSS Send information from the memory. 14, AT CSMP Settings the parameters of the text mode. 15, AT CMGD deletes short information. Delete one or more short information. 16, AT CSCA SMS Service Center Address. 17, the AT CSCB selection unit broadcast information type. 18, the AT WCBM unit broadcast information identifier. 19, AT WMSC information status (whether to read, whether to send, etc.) Correct. 20, AT WMGO information coverage write. 21, AT WUSS does not change the SMS status. Still unread after performing cmgr or cmgl. 7. Additional service command 1, AT CCFC call continues. 2, AT CLCK call prohibited. 3, AT CPWD changes the additional service password. 4, AT CCWA call waiting. 5, AT CLIR Call cable confirmation limit. 6, AT CLIP Call cable confirmation statement. 7, AT COLP network confirmation statement. 8, AT CAOC fee report. 9, AT CACM Cumulative Call Measurement. 10, AT CAMM Cumulative Call Measurement Maximum. 11, AT CPUC unit price and currency table. 12, AT CHLD call related additional services. 13. At CLCC lists the current call. 14, AT CSSN appended service notice. 15. AT CUSD has no organization. 16, AT CCUG close-up user group.
Eight, data command 1, AT CBST Identification type selection. 2, at fclass selection mode. This command sets the module to a special mode of data or fax operation. 3, AT CR service report control. This command allows more detailed service reports. 4, AT CRC divided results code. This command allows more detailed ringtone instructions when calling. 5, AT ILRR Local DTE-DCE Rate Report. 6, AT CRLP radio communication line protocol parameters. 7, AT DOPT Other radio communication line parameters. 8, AT% C data compression selection. 9, whether the AT DS allows V42 to compress. 10. Is AT DR to report V42 dimensional data compression. 11, AT / N data error correction selection.
Nine, fax command 1, AT FTM transmission rate. 2, AT FRM Receive Rate 3, AT FTH Sets the fax transfer rate with the HDLC protocol. 4. At FRH Set the fax receiving rate with the HDLC protocol. 5, AT FTS stops the transfer of specific periods and waits. 6, AT FRS receives silence.
Ten, second types of fax commands 1, AT FDT transfer data. 2, AT FDR receives data. 3, At FET transfer page punctuation. 4, AT FPTS page conversion status parameters. 5, At FK termination meeting. 6, the AT FBOR page conversion byte order. 7, AT FBUF buffer size report. 8. AT FCQ controls copy quality inspection. 9, AT FCR controls the ability to receive faxes. 10, At FDIS Current Conference Parameters. 11, AT FDCC Set the DCE function parameters. 12, AT FLID Defines the local ID string. 13, AT FPHCTO page conversion timeout parameters. Eleven, V24-V25 Commands 1, AT IPR determines the DTE rate. 2, the AT ICF determines the DTE-DCE feature structure. 3, AT IFC controls DTE-DCE local traffic. 4, AT & C Sets the DCD (Data Portable Detection) signal. 5, AT & D Set the DTR (Data Terminal Ready) signal. 6, AT & S Set the DST (data setting ready) signal. 7, ATO returns to online mode. 8, ATQ determines whether the phone will send the result code. 9, ATV determines the DCE response format. 10. ATZ is restored to the default settings. 11, AT & W Save Setup. 12, AT & T automatic test. 13. ATE decides whether to return to the character. 14, AT & F returns to the factory settings. 15, the AT & V display module settings. 16. ATI requires confirmation information. This command allows the GSM module to transfer or multi-line specific information text. 17, AT WMUX Data / Command Multiplexing.
Twelve, special AT commands 1, AT CCED battery environment description. 2, AT CCED automatic RXLEV indication. 3, AT WIND general instructions. 4, AT ALEA data password mode between ME and MSC. 5, AT CRYPT data password mode. 6, AT EXPKEY button management. 7, the information on the AT CPLMN on the PLMN. 8, AT ADC analog digital conversion metrics. 9, AT CMER mobile device event report. This command decides whether it is allowed to actively send the result code when the key is pressed. 10, AT WLPR Read language preferences. 11, AT WLPW Write language preferences. 12, At WiOR read the GPIO value. 13, AT WiOW Write the GPIO value. 14, AT WiOM input / output management. 15. At WAC ignore the command. This special command allows Ignore of SMS, SS, and available PLMNs. 16, AT Wtone Play the melody. 17, AT WDTMF play DTMF melody. 18, At WDWL download mode. 19, AT WVR configuration of the sound rate of the differential differential. 20, AT WDR configuration data rate. 21, At WHWV Displays the version of the hardware. 22, AT WDOP shows the factory date of the product. 23, AT WSVG Sound Gain Selection. 24, AT WSTR Returns the status of the specified state. 25, AT WSCAN scan. 26, AT WRIM Setting or return ringtone indication mode. 27, whether the AT W32K allows 32kHz power-down mode. 28, AT WCDM changes the default melody. 29, AT WSSW Displays the internal software version. 30, AT WCCS edit or display the custom properties set table. 31. AT WLCK allows personalization MEs to be personal in a particular operator. 32, AT CPHS Set the cphs command. 33, AT WBCM battery charging management. 34, AT WFM characteristics management. Whether to allow certain characteristics of the module, such as bandwidth mode, SIM card voltage, and the like. 35, AT WCFM business characteristics management. Whether WAVOM is allowed to special features. 36. AT WMIR allows custom storage mirroring from the currently stored parameter values. 37, AT WCDP changes the default player of the melody. 38, AT Wmbn Set different mailbox numbers in the SIM card. Thirteen, SIM Card Toolbox Commands 1, AT STSF Configuration Toolbox utility. 2, the AT Stin toolbox indication. 3, AT STGI gets information from the expected command from the SIM card. 4, AT STCR proactive results: Toolbox controls.
