Siemens M1 manual AT+CGSN Request product serial number ID, AT+CHUP Hangup call

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Technical reference section

AT+CGSN - Request product serial number ID

This command provides you with the serial number of the GSM module. The serial number has the GSM format.

AT+CGSN

Option		Result

AT+CGSN		Displays the serial number. In GSM, each mobile telephone is
		assigned a unique number, known as the IMEI (International Mobile
		Equipment Identity).


Example:
Enter:		AT+CGSN
GSM module:		IMEI: 445199518750
		OK

AT+CHUP - Hangup call

This command allows you to terminate all calls.

AT+CHUP

Option		Result

AT+CHUP		Terminate all calls.


Example:
Enter:		AT+CHUP
GSM module:		OK

AT+CEER - Extended error report

This command allows you to query the reason why the last call was disconnected. The information returned can be useful if there were problems with connection setup or if a connection was interrupted.

	AT+CEER

Option	Result

AT+CEER	Displays reason last call was disconnected.

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Contents GSM Contents Technical reference section Contents Technical data GSM documentationGeneral information GSM Module M1 Product description FeaturesGSM Module M1 Description of the interfaces Hybrid connector manufacturer-specificSIM card InterfacePower supply / power consumption Installation / startup Mounting the moduleSwitching the GSM module on/off Cable assignmentSetting / testing the COM interface Installation / startupPower consumption Overvoltage / undervoltageSetting the GSM radio transfer rate ATB13ATB7 AT+CPIN? Setting up and clearing down connections+CPIN SIM PIN AT+CPIN=1234Troubleshooting AT&FATH Connection cannot be set up Own errorsSystem errors Incorrect characters on screen GSM module does not dialCannot receive fax Overview of AT commands General AT commands Overview of AT commands GSM AT commands GSMSMS AT commands GSM Connecting to your GSM module AT command line prefixCommand syntax of the AT standard Technical reference section AT standardATH ATS7?Q0E1 Technical reference sectionATD0123456789 AT&F0Connect ErrorRing No CarrierTransparent mode Command modeEscape command Operating modesATOn Return to transparent mode Setting the transfer rateATH Go on-hook ATBn Select GSM module’s operating mode ATBATB99 ATD ATD Dial a telephone numberValid dial strings Dial ATD+4989telephone numberATD123456789 AT%Dn Automatic dialing with DTRAtdl AT&Z0=123456789Displaying and storing a configuration ATS0=n Auto-answer modeATA Answer a call Stored Profile AT&V Active ProfileTelephone Numbers &Z0= Z1= Z2= Z3=ATEn Command echo Screen outputs Limits of screen outputsATQn Activate and deactivate result codes Control line options AT&Cn Data Carrier Detect DCD options ATXn Extended connect messageMemory commands AT&Dn Data Terminal Ready DTR optionsData flow control AT&Zn=x Store telephone number AT&Wn Store configuration AT&Z0 = ATDS=n Dial stored telephone numberAT&Yn Configuration at power-up AT+C commands for GSMATZn Load user profile AT+CXXSN = ?+CGMI Siemens AT+CGMIAT+CGMM +CGMM M1AT+CEER Extended error report AT+CGSN Request product serial number IDAT+CHUP Hangup call Enter AT+CMEE Report mobile equipment errorAT+CEER GSM moduleAT+CREG? +CME ErrorAT+CREG? AT+CREG Network registrationAT+COPS Operator selection EnterAT+CREG? GSM module +CREG 0,0 = not registeredAT+COPS? AT+COPS=?+COPS 0, 0, Operator Name AT+COPS?AT+COPS=? Display list of available network operators AT+COPS=?Privat TelekomAT+CPIN Enter PIN and query blocks AT+CPIN2 Enter PIN2 and query PIN2 blocks +CME Error Wrong PasswordAT+CPIN2=1234 AT+CPWD Change passwordAT+CPWD=? +CPWD SC,8,PS,8, P2,8Errors AT+CSQ Signal qualityAT+CSQ ReceiveAT+CKPD=? AT+CKPD Keypad controlAT+CKPD=? +CKPD 0123456789*#CDEISUXYZAT+CXXSN=? AT+CXXSN Single-numbering parameterizationAT+CXXSN=? +CXXSN 0,1,2AT+CXXSN=2 AT+CXXMOC=? +CXXMOC 0,1AT+CXXMOC=1 AT+CPBS Select phonebook memory storage AT+CPBS=?+CPBS MD , SM , OW , FD AT+CPBR=? AT+CPBR Read phonebook entriesAT+CPBR=? +CPBR index, number length, textAT+CPBW Write phonebook entry AT+CBST Select bearer service type AT+CBST?AT+CBST=? AT+CRC? AT+CRC Cellular result codeAT+CRC=? AT+CRC?AT+CLIP? AT+CLIP Calling line identification presentationAT+CLIP=? AT+CLIP?AT+CPAS=? AT+CPAS Phone activity statusAT+CPAS=? +CPAS 0 1 2 3 4AT+FCLASS? AT+FCLASS Select modeAT+FCLASS=? AT+FCLASS=?AT+C commands for the short message service SMS AT+CXXCID Card identificationAT+CXXCID=? Parameter command syntax AT+CSMS Select message serviceValues implemented AT+CPMS Preferred message storageAT+CMGF Message format AT+CSCA Service center addressIf PDU mode +CMGF=0 and command successful Action command syntaxIf PDU mode +CMGF=0 If send is successful AT+CMGR Read messageAT+CMGW Write message to memory AT+CMGD Delete messageAT+CNMI New message indications AT+CMGL List messages AT+CMS Error message service failure result codes+CMGL=? Value definitionsS-registers AT+FDT=AT+FCR= AT+FAAAT+FBUF?AT+FBOR EnterATS0?S7? ATSn? Read an S-registerATSn=x Write to an S-register ATS0=3Binary and decimal values in S-registers Bit position registers You wish to enter the following parameter valuesDecimal input and binary storage OFF Overview of the S-registers Please noteDTR on OFF Technical reference section AT&T1 ABCAT&T0 ATIn Display GSM module I-data Interface Technical data GeneralTechnical data Hybrid connector manufacturer-specific Fax Technical data GSM modesFAX G3 DataGSM documentation GSM reference documents Etsi contactEuropean Telecommunications Standards Institute General information CE-Sign ServiceGeneral information