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GSM AT Command Reference

My Stuff and My blog

'1.1 - Oct.2001
'
'According to ITU-T V.25ter (07/97):
'only the commands which effect GSM/UMTS 6.1.8 ISO system global object identification

AT+GOI
ERROR

'6.1.9 Overall capabilities of TA
AT+GCAP
+GCAP: +FCLASS, +CGSM, +DS

'6.1.10 Selects the country of installation
AT+GCI=?
ERROR

'6.2.10 Fixed TE data rate
AT+IPR=?
+IPR: (0,300,1200,2400,4800,9600,14400,19200,28800,38400,57600,115200,230400,460800)

AT+IPR?
+IPR: 0

'6.2.11 Character framing
AT+ICF=?
+ICF: (0-6),(0-3)

AT+ICF?
+ICF: 3,3

'6.2.12 Flow control
AT+IFC=?
+IFC: (0-3),(0-2)

AT+IFC?
+IFC: 2,2

'6.2.13 Data rate
AT+ILRR=?
+ILRR: (0,1)

AT+ILRR?
+ILRR: 0

'
'According to TIA IS-101:
'only one command which effect GSM/UMTS used here
'C.2.1 Select mode
AT+FCLASS=?
0,1,2

'
'According to PCCA STD-101:
'Select wireless network
AT+WS46=?
+WS46: (12,240)

AT+WS46?
+WS46: 12

'
'According to 3GPP TS 27.007 version 4.2.0:
'5.1 Request manufacturer identification
AT+GMI
Ericsson

AT+CGMI
ERICSSON

'5.2 Request model identification
AT+GMM
T39

AT+CGMM
1130102-BVT39m

'5.3 Request revision identification
AT+GMR
R2M         prgCXC125147_TAE

AT+CGMR
R2M         CXC125268

'5.4 Request product serial number identification
'not used here, for privacy reasons
AT+CGSN=?
OK

'5.5 Select TE character set
AT+CSCS=?
+CSCS: ("GSM","IRA","8859-1","ERICSSON","UTF-8")

AT+CSCS?
+CSCS: "GSM"

'5.6 Request international mobile subscriber identity
'not used here, for privacy reasons
AT+CIMI=?
OK

'5.7 Multiplexing mode
AT+CMUX=?
+CMUX: (0),(0),(1-7),(31),(10),(3),(30),(10),(1-7)

AT+CMUX?
+CMUX: 0,0,1,31,10,3,30,10,2

'6.1 Select type of address
AT+CSTA=?
ERROR

AT+CSTA?
ERROR

'6.4 Call mode
AT+CMOD=?
+CMOD: (0-1)

AT+CMOD?
+CMOD: 0

'6.5 Hangup call
AT+CHUP=?
OK

'6.7 Select bearer service type
AT+CBST=?
+CBST: (0,4,6-7,12,14-16,68,70-71,75,79-83),(0),(1)

AT+CBST?
+CBST: 0,0,1

'6.8 Radio link protocol
AT+CRLP=?
+CRLP: (0-61),(0-61),(38-100),(0-255),(0,1)
+CRLP: (0-496),(0-496),(38-100),(0-255),(2),(3-10)

AT+CRLP?
+CRLP: 61,61,48,6,0
+CRLP: 120,120,48,6,2,3

'6.9 Service reporting control
AT+CR=?
+CR: (0,1)

AT+CR?
+CR: 0

'6.10 Extended error report
AT+CEER=?
OK

'6.11 Cellular result codes
AT+CRC=?
+CRC: (0,1)

AT+CRC?
+CRC: 0

'6.12 HSCSD device parameters
AT+CHSD=?
OK

AT+CHSD
+CHSD: 2,2,1,3,12

'6.13 HSCSD transparent call configuration
AT+CHST=?
ERROR

AT+CHST?
ERROR

'6.14 HSCSD non-transparent call configuration
AT+CHSN=?
+CHSN: (0-4),(0-2),(0-2),(4,8,12)

AT+CHSN?
+CHSN: 1,1,0,4

'6.15 HSCSD current call parameters
AT+CHSC=?
OK

AT+CHSC?
ERROR

'6.16 HSCSD parameters report
AT+CHSR=?
+CHSR: (0,1)

AT+CHSR?
+CHSR: 0

'6.17 HSCSD automatic user initiated upgrading
AT+CHSU=?
+CHSU: (0,1)

AT+CHSU?
+CHSU: 0

'6.18 HSCSD non-transparent asymmetry configuration
AT+CHSA=?
ERROR

AT+CHSA?
ERROR

'6.19 Single numbering scheme
AT+CSNS=?
ERROR

AT+CSNS?
ERROR

'6.20 Voice Hangup Control
AT+CVHU=?
+CVHU: (0-2)

AT+CVHU?
+CVHU: 2

'6.21 V.120 rate adaption protocol
AT+CV120=?
ERROR

AT+CV120?
ERROR

'6.22 Settings date format
AT+CSDF=?
ERROR

AT+CSDF?
ERROR

'6.23 Silence Command
AT+CSIL=?
ERROR

AT+CSIL?
ERROR

'6.24 Settings time format
AT+CSTF=?
ERROR

AT+CSTF?
ERROR

'7.1 Subscriber number
'not used here, for privacy reasons
AT+CNUM=?
OK

'7.2 Network registration
'not used here, for privacy reasons
AT+CREG=?
+CREG: (0-1)

'7.3 Operator selection
'not used here, for speed reasons
AT+COPS?
+COPS: 0,0,"E-PLUS"

'7.4 Facility lock
AT+CLCK=?
+CLCK: ("CS","PS","SC","P2","AO","OI","OX","AI","IR","AB","AG","AC")

'7.5 Change password
AT+CPWD=?
+CPWD: ("PS",8),("SC",8),("P2",8),("AO",8),("OI",8),("OX",8),("AI",8),("IR",8),("AB",8),("AG",8),("AC",8)

'7.6 Calling line identification presentation
AT+CLIP=?
+CLIP: (0-1)

'7.7 Calling line identification restriction
AT+CLIR=?
+CLIR: (0-2)

'7.8 Connected line identification presentation
AT+COLP=?
ERROR

'7.9 Called line identification presentation
AT+CDIP=?
ERROR

'7.10 Closed user group
AT+CCUG=?
ERROR

'7.11 Call forwarding number and conditions
AT+CCFC=?
+CCFC: (0-5)

'7.12 Call waiting
AT+CCWA=?
+CCWA: (0-1)

AT+CCWA?
+CCWA: 0

'7.13 Call related supplementary services
AT+CHLD=?
+CHLD: (0-4,11-16,21-26)

'7.14 Call deflection
AT+CTFR=?
ERROR

'7.15 Unstructured supplementary service data
AT+CUSD=?
+CUSD: (0-1)

AT+CUSD?
+CUSD: 0

'7.16 Advice of Charge
AT+CAOC=?
+CAOC: (0)

AT+CAOC?
+CME ERROR: 4

'7.17 Supplementary service notifications
AT+CSSN=?
+CSSN: (0-1),(0-1)

AT+CSSN?
+CSSN: 0,0

'7.18 List current calls
'not used here, for privacy reasons
AT+CLCC=?
ERROR

'7.19 Preferred operator list
'not used here, for privacy reasons
AT+CPOL=?
ERROR

'7.20 Selection of preferred operator list
AT+CPLS=?
ERROR

AT+CPLS?
ERROR

'7.21 Read operator names
'not used here, for privacy reasons
AT+COPN=?
ERROR

'7.22 eMLPP Priority Registration and Interrogation
'not used here, for privacy reasons
AT+CAEMLPP=?
ERROR

'7.23 eMLPP subscriptions
AT+CPPS=?
ERROR

'7.24 Fast call setup conditions
'not used here, for privacy reasons
AT+CFCS=?
ERROR

'7.25 Automatic answer for eMLPP Service
'not used here, for privacy reasons
AT+CAAP=?
ERROR

'7.26 User to User Signalling Service 1
AT+CUUS1=?
ERROR

AT+CUUS1?
ERROR

'8.1 Phone activity status
AT+CPAS=?
+CPAS: (0,3,4,129,130,131)

'8.2 Set phone functionality
AT+CFUN=?
+CFUN: (0-1)

AT+CFUN?
+CFUN: 1

'8.3 Enter PIN
AT+CPIN?
+CPIN: READY

'8.4 Battery charge
AT+CBC=?
+CBC: (0-2),(0-100)

'8.5 Signal quality
AT+CSQ=?
+CSQ: (0-31,99),(0-7,99)

'8.6 Mobile Equipment control mode
AT+CMEC=?
ERROR

AT+CMEC?
ERROR

'8.7 Keypad control
AT+CKPD=?
OK

'8.8 Display control
AT+CDIS=?
ERROR

'8.9 Indicator control
AT+CIND=?
+CIND: ("battchg",(0-5)),("signal",(0-5)),("batterywarning",(0-1)),("chargerconnected",(0-1)),("service",(0-1)),("sounder",(0-1)),("message",(0-1)),("call",(0-1)),("roam",(0-1)),("smsfull",(0-1))

'8.10 Mobile Equipment event reporting
AT+CMER=?
+CMER: (0,3),(0,2),0,(0-1),0

AT+CMER?
+CMER: 0,0,0,0,0

'8.11 Select phonebook memory storage
AT+CPBS=?
+CPBS: ("ME","SM","DC","FD","MC","MV","RC","HP","BC")

AT+CPBS?
+CPBS: "SM"

'8.12 Read phonebook entries
AT+CPBR=?
+CPBR: (1-100),80,17

AT+CPBR?
ERROR

'8.13 Find phonebook entries
AT+CPBF=?
+CPBF: 80,17

'8.14 Write phonebook entry
AT+CPBW=?
+CPBW: (1-100),80,(128-255),17

'8.15 Clock
AT+CCLK=?
OK

AT+CCLK?
+CCLK: "01/10/27,16:00:45+04"

'8.16 Alarm
AT+CALA=?
+CALA: (1-2),(),(),(13),()

AT+CALA?
OK

'8.17 Generic SIM access
AT+CSIM=?
ERROR

'8.18 Restricted SIM access
AT+CRSM=?
ERROR

'8.19 Secure control command
AT+CSCC=?
+CSCC: (1-2),(199)

'8.20 Alert sound mode
AT+CALM=?
ERROR

AT+CALM?
ERROR

'8.21 Ringer sound level
AT+CRSL=?
ERROR

'8.22 Vibrator mode
AT+CVIB=?
+CVIB: (0-1,16)

'8.23 Loudspeaker volume level
AT+CLVL=?
ERROR

'8.24 Mute control
AT+CMUT=?
ERROR

'8.25 Accumulated call meter
AT+CACM=?
OK

'8.26 Accumulated call meter maximum
AT+CAMM=?
OK

'8.27 Price per unit and currency table
AT+CPUC=?
OK

'8.28 Call Meter maximum event
AT+CCWE=?
ERROR

'8.29 Power class
AT+CPWC=?
ERROR

AT+CPWC?
ERROR

'8.30 Set Language
AT+CLAN=?
+CLAN: "de","en","fr","it","AUTO"

'8.31 Language Event
AT+CLAE=?
ERROR

AT+CLAE?
ERROR

'8.32 Set Greeting Text
AT+CSGT=?
ERROR

'8.33 Set Voice Mail Number
AT+CSVM=?
ERROR

'8.34 Ring Melody Playback
AT+CRMP=?
ERROR

'8.35 Master Reset
AT+CMAR=?
ERROR

'8.36 List all available AT commands
AT+CLAC
&F
*
*EACS
*EAID
*EALR
*EALS
*EAM
*EAMS
*EAPM
*EAPN
*EAPP
*EAPS
*EARS
*EASM
*EASY
*EBCA
*ECAM
*ECAR
*ECAS
*ECAW
*ECBP
*ECMW
*ECSP
*ECUR
*EDIF
*EDIS
*EDST
*EENL
*EFOS
*EGIR
*EINA
*EIPS
*EKSE
*EKSP
*EKSR
*ELAM
*ELAN
*ELIN
*EMAR
*EMIC
*EMIR
*EMLR
*EMWS
*ENAD
*EPED
*EPEE
*EPEW
*EPHD
*EPNR
*EPNW
*EPRR
*EPRW
*EQVL
*ERIL
*ERIN
*ERIP
*ESAG
*ESAM
*ESBL
*ESCG
*ESCN
*ESDF
*ESDG
*ESDI
*ESGR
*ESIL
*ESKL
*ESKS
*ESLN
*ESMA
*ESMM
*ESNU
*ESOM
*ESTF
*ESTL
*ESVM
*ESZS
*ETCH
*ETXT
*EVA
*EVAA
*EVD
*EVH
*EWBA
*EWBR
*EWCG
*EWCT
*EWDT
*EWHP
*EWIL
*EWLI
*EWPB
*EWPN
*EWPR
*EWSA
*EWSG
*EXVC
*EYDO
*EYPI
*EYRE
*EYRR
*EYRV
+CACM
+CALA
+CALD
+CAMM
+CAOC
+CAPD
+CBC
+CBST
+CCFC
+CCLK
+CCWA
+CFUN
+CGMI
+CGMM
+CGMR
+CGSMS
+CGSN
+CHLD
+CHSC
+CHSD
+CHSN
+CHUP
+CIMI
+CIND
+CKPD
+CLAC
+CLAN
+CLCK
+CLIP
+CLIR
+CMEE
+CMER
+CMGC
+CMGD
+CMGF
+CMGL
+CMGR
+CMGS
+CMGW
+CMOD
+CMSS
+CNMI
+CNUM
+COPS
+CPAS
+CPBF
+CPBR
+CPBS
+CPBW
+CPIN
+CPMS
+CPUC
+CPWD
+CRC
+CREG
+CRES
+CSAS
+CSCA
+CSCB
+CSCC
+CSCS
+CSMS
+CSQ
+CSSN
+CTZU
+CUSD
+CVIB
+VTS
+WS46
A
D
H
L
Q
S3
S4
S5
V
Z
/
&C
&D
&F
&W
*
*EINA
*EOBEX
*ESIR
+CEER
+CGACT
+CGATT
+CGDATA
+CGDATA
+CGDCONT
+CGEREP
+CGPADDR
+CGPADDR
+CGQMIN
+CGQREQ
+CGREG
+CHSR
+CHSU
+CHUP
+CHUP
+CLAC
+CMEE
+CMUX
+CR
+CRC
+CRLP
+CVHU
+DR
+DS
+FAA
+FBADLIN
+FBADMUL
+FBOR
+FBUG
+FCIG
+FCLASS
+FCQ
+FCR
+FDCC
+FDFFC
+FDIS
+FDR
+FDT
+FDT
+FECM
+FET
+FK
+FLID
+FLNFC
+FLPL
+FMDL?
+FMFR?
+FMI?
+FMINSP
+FMM?
+FMR?
+FPHCTO
+FPTS
+FRBC
+FREL
+FREV?
+FRH
+FRH
+FRM
+FRM
+FRS
+FRS
+FSPL
+FTBC
+FTH
+FTH
+FTM
+FTM
+FTS
+FTS
+FVRFC
+FWDFC
+GCAP
+GMI
+GMM
+GMR
+ICF
+IFC
+ILRR
+IPR
A
D
E
H
I
L
M
O
P
Q
S0
S10
S2
S3
S4
S5
S6
S7
S8
T
V
X
Z

'8.37 Delete alarm
AT+CALD=?
+CALD: (1-2)

'8.38 Postpone or dismiss an alarm
AT+CAPD=?
+CAPD: (0,540)

'8.39 Automatic Time Zone Update
AT+CTZU=?
+CTZU: (0-1)

AT+CTZU?
+CTZU: 0

'8.40 Time Zone Reporting
AT+CTZR=?
ERROR

AT+CTZR?
ERROR

'8.41 Enter protocol mode
AT+CPROT=?
ERROR

'9.1 Report Mobile Equipment error
AT+CMEE=?
+CMEE: (0-2)

'10.1.1 Define PDP Context
AT+CGDCONT=?
+CGDCONT:(1-10),("IP"),,,(0-1),(0-1)

'10.1.2 Define Secondary PDP Context
AT+CGDSCONT=?
ERROR

'10.1.3 Traffic Flow Template
AT+CGTFT=?
ERROR

'10.1.4 Quality of Service Profile (Requested)
AT+CGQREQ=?
+CGQREQ: (1-10),(0-3),(0-4),(0-5),(0-5),(0-18,31)

'10.1.5 Quality of Service Profile (Minimum acceptable)
AT+CGQMIN=?
+CGQMIN: (1-10),(0-3),(0-4),(0-5),(0-5),(0-18,31)

'10.1.6 3G Quality of Service Profile (Requested)
AT+CGEQREQ=?
ERROR

'10.1.7 3G Quality of Service Profile (Minimum acceptable)
AT+CGEQMIN=?
ERROR

'10.1.8 3G Quality of Service Profile (Negotiated)
AT+CGEQNEG=?
ERROR

'10.1.9 PS attach or detach
AT+CGATT=?
+CGATT: (0,1)

'10.1.10 PDP context activate or deactivate
AT+CGACT=?
+CGACT: (0,1)

'10.1.11 PDP Context Modify
AT+CGCMOD=?
ERROR

'10.1.12 Enter data state
AT+CGDATA=?
+CGDATA:("PPP")

'10.1.13 Configure local Octet Stream PAD parameters
AT+CGCLOSP=?
ERROR

'10.1.14 Show PDP address
AT+CGPADDR=?
+CGPADDR: (1,2)

'10.1.15 Automatic response to a network request for PDP context activation
AT+CGAUTO=?
ERROR

'10.1.16 Manual response to a network request for PDP context activation
AT+CGANS=?
ERROR

'10.1.17 GPRS mobile station class
AT+CGCLASS=?
ERROR

AT+CGCLASS?
ERROR

'10.1.12 Configure local triple-X PAD parameters
AT+CGCLPAD=?
ERROR

'10.1.18 Packet Domain event reporting
AT+CGEREP=?
+CGEREP: (0,1),(0)

'10.1.19 GPRS network registration status
AT+CGREG=?
+CGREG: (0-2)

'10.1.20 Select service for MO SMS messages
AT+CGSMS=?
+CGSMS: (2,3)

'11.1.1 Accept an incoming Voice Group or Voice Broadcast Call
AT+CAJOIN=?
ERROR

'11.1.2 Reject an incoming Voice Group or Voice Broadcast Call
AT+CAREJ=?
ERROR

'11.1.3 Leave an ongoing Voice Group or Voice Broadcast Call
AT+CAHLD=?
ERROR

'11.1.4 Talker Access for Voice Group Call
AT+CAPTT=?
ERROR

'11.1.5 Voice Group Call Uplink Status Presentation
AT+CAULEV=?
ERROR

'11.1.6 List current Voice Group and Voice Broadcast Calls
AT+CALCC=?
ERROR

'11.1.7 Voice Group or Voice Broadcast Call State Attribute Presentation
AT+CACSP=?
ERROR

'11.1.8 NCH Support Indication
AT+CANCHEV=?
ERROR

'11.1.9 Originator to Dispatcher Information
AT+COTDI=?
ERROR

AT+COTDI?
ERROR

'11.3.1 VGCS subscriptions and GId status
AT+CGCS=?
ERROR

AT+CGCS?
ERROR

'11.3.2 VBS subscriptions and GId status
AT+CBCS=?
+CBC: 0,69
ERROR

AT+CBCS?
+CBC: 0,69
ERROR

'
'According to 3GPP TS 27.005 version 4.0.0:
'3.2.1 Select Message Service
AT+CSMS=?
+CSMS: (0)

AT+CSMS?
+CSMS: 0, 1, 1, 1

'3.2.2 Preferred Message Storage
AT+CPMS=?
+CPMS: ("ME","SM"),("ME","SM"),("ME")

AT+CPMS?
+CPMS: "SM",0,12,"SM",0,12,"ME",9,40

'3.2.3 Message Format
AT+CMGF=?
+CMGF: (0)

AT+CMGF?
+CMGF: 0

'3.2.4 Enter SMS Block Mode Protocol
AT+CESP=?
ERROR

'3.3.1 Service Centre Address
AT+CSCA=?
OK

'3.3.2 Set Text Mode Parameters
AT+CSMP=?
ERROR

AT+CSMP?
ERROR

'3.3.3 Show Text Mode Parameters
AT+CSDH=?
ERROR

AT+CSDH?
ERROR

'3.3.4 Select Cell Broadcast Message Types
AT+CSCB=?
+CSCB: (0)

AT+CSCB?
+CSCB: 0,""

'3.3.5 Save Settings
AT+CSAS=?
+CSAS: (0-4)

'3.3.6 Restore Settings
AT+CRES=?
+CRES: (0-4)

'3.4.1 New Message Indications to TE
AT+CNMI=?
+CNMI: (3),(0,1,3),(0,2),(0),(0)

AT+CNMI?
+CNMI: 3,0,0,0,0

'3.5.4 Delete Message
AT+CMGD=?
OK

'3.5.6 More Messages to Send
AT+CMMS=?
ERROR

'
'SMS Text mode
AT+CMGF=1
+CMS ERROR: 303

'3.4.2 List Messages
AT+CMGL=?
AT +CMGF=1
+CMS ERROR: 303

'3.4.3 Read Message
AT+CMGR=?
OK

'3.4.4 New Message Acknowledgement to ME/TA
AT+CNMA=?
ERROR

'3.5.1 Send Message
AT+CMGS=?
OK

'3.5.2 Send Message from Storage
AT+CMSS=?
OK

'3.5.3 Write Message to Memory
AT+CMGW=?
OK

'3.5.5 Send Command
AT+CMGC=?
OK

'
'SMS PDU mode
AT+CMGF=0
OK

'4.1 List Messages
AT+CMGL=?
+CMGL: (0-4)

'4.2 Read Message
AT+CMGR=?
OK

'4.3 Send Message
AT+CMGS=?
OK

'4.4 Write Message to Memory
AT+CMGW=?
OK

'4.5 Send Command
AT+CMGC=?
OK

'4.6 New Message Acknowledgement to ME/TA
AT+CNMA=?
ERROR

'4.7 Send Message from Storage
AT+CMSS=?
OK


Personal tools

GSM AT Command Reference

My Stuff and My blog

'1.1 - Oct.2001
'
'According to ITU-T V.25ter (07/97):
'only the commands which effect GSM/UMTS 6.1.8 ISO system global object identification

AT+GOI
ERROR

'6.1.9 Overall capabilities of TA
AT+GCAP
+GCAP: +FCLASS, +CGSM, +DS

'6.1.10 Selects the country of installation
AT+GCI=?
ERROR

'6.2.10 Fixed TE data rate
AT+IPR=?
+IPR: (0,300,1200,2400,4800,9600,14400,19200,28800,38400,57600,115200,230400,460800)

AT+IPR?
+IPR: 0

'6.2.11 Character framing
AT+ICF=?
+ICF: (0-6),(0-3)

AT+ICF?
+ICF: 3,3

'6.2.12 Flow control
AT+IFC=?
+IFC: (0-3),(0-2)

AT+IFC?
+IFC: 2,2

'6.2.13 Data rate
AT+ILRR=?
+ILRR: (0,1)

AT+ILRR?
+ILRR: 0

'
'According to TIA IS-101:
'only one command which effect GSM/UMTS used here
'C.2.1 Select mode
AT+FCLASS=?
0,1,2

'
'According to PCCA STD-101:
'Select wireless network
AT+WS46=?
+WS46: (12,240)

AT+WS46?
+WS46: 12

'
'According to 3GPP TS 27.007 version 4.2.0:
'5.1 Request manufacturer identification
AT+GMI
Ericsson

AT+CGMI
ERICSSON

'5.2 Request model identification
AT+GMM
T39

AT+CGMM
1130102-BVT39m

'5.3 Request revision identification
AT+GMR
R2M         prgCXC125147_TAE

AT+CGMR
R2M         CXC125268

'5.4 Request product serial number identification
'not used here, for privacy reasons
AT+CGSN=?
OK

'5.5 Select TE character set
AT+CSCS=?
+CSCS: ("GSM","IRA","8859-1","ERICSSON","UTF-8")

AT+CSCS?
+CSCS: "GSM"

'5.6 Request international mobile subscriber identity
'not used here, for privacy reasons
AT+CIMI=?
OK

'5.7 Multiplexing mode
AT+CMUX=?
+CMUX: (0),(0),(1-7),(31),(10),(3),(30),(10),(1-7)

AT+CMUX?
+CMUX: 0,0,1,31,10,3,30,10,2

'6.1 Select type of address
AT+CSTA=?
ERROR

AT+CSTA?
ERROR

'6.4 Call mode
AT+CMOD=?
+CMOD: (0-1)

AT+CMOD?
+CMOD: 0

'6.5 Hangup call
AT+CHUP=?
OK

'6.7 Select bearer service type
AT+CBST=?
+CBST: (0,4,6-7,12,14-16,68,70-71,75,79-83),(0),(1)

AT+CBST?
+CBST: 0,0,1

'6.8 Radio link protocol
AT+CRLP=?
+CRLP: (0-61),(0-61),(38-100),(0-255),(0,1)
+CRLP: (0-496),(0-496),(38-100),(0-255),(2),(3-10)

AT+CRLP?
+CRLP: 61,61,48,6,0
+CRLP: 120,120,48,6,2,3

'6.9 Service reporting control
AT+CR=?
+CR: (0,1)

AT+CR?
+CR: 0

'6.10 Extended error report
AT+CEER=?
OK

'6.11 Cellular result codes
AT+CRC=?
+CRC: (0,1)

AT+CRC?
+CRC: 0

'6.12 HSCSD device parameters
AT+CHSD=?
OK

AT+CHSD
+CHSD: 2,2,1,3,12

'6.13 HSCSD transparent call configuration
AT+CHST=?
ERROR

AT+CHST?
ERROR

'6.14 HSCSD non-transparent call configuration
AT+CHSN=?
+CHSN: (0-4),(0-2),(0-2),(4,8,12)

AT+CHSN?
+CHSN: 1,1,0,4

'6.15 HSCSD current call parameters
AT+CHSC=?
OK

AT+CHSC?
ERROR

'6.16 HSCSD parameters report
AT+CHSR=?
+CHSR: (0,1)

AT+CHSR?
+CHSR: 0

'6.17 HSCSD automatic user initiated upgrading
AT+CHSU=?
+CHSU: (0,1)

AT+CHSU?
+CHSU: 0

'6.18 HSCSD non-transparent asymmetry configuration
AT+CHSA=?
ERROR

AT+CHSA?
ERROR

'6.19 Single numbering scheme
AT+CSNS=?
ERROR

AT+CSNS?
ERROR

'6.20 Voice Hangup Control
AT+CVHU=?
+CVHU: (0-2)

AT+CVHU?
+CVHU: 2

'6.21 V.120 rate adaption protocol
AT+CV120=?
ERROR

AT+CV120?
ERROR

'6.22 Settings date format
AT+CSDF=?
ERROR

AT+CSDF?
ERROR

'6.23 Silence Command
AT+CSIL=?
ERROR

AT+CSIL?
ERROR

'6.24 Settings time format
AT+CSTF=?
ERROR

AT+CSTF?
ERROR

'7.1 Subscriber number
'not used here, for privacy reasons
AT+CNUM=?
OK

'7.2 Network registration
'not used here, for privacy reasons
AT+CREG=?
+CREG: (0-1)

'7.3 Operator selection
'not used here, for speed reasons
AT+COPS?
+COPS: 0,0,"E-PLUS"

'7.4 Facility lock
AT+CLCK=?
+CLCK: ("CS","PS","SC","P2","AO","OI","OX","AI","IR","AB","AG","AC")

'7.5 Change password
AT+CPWD=?
+CPWD: ("PS",8),("SC",8),("P2",8),("AO",8),("OI",8),("OX",8),("AI",8),("IR",8),("AB",8),("AG",8),("AC",8)

'7.6 Calling line identification presentation
AT+CLIP=?
+CLIP: (0-1)

'7.7 Calling line identification restriction
AT+CLIR=?
+CLIR: (0-2)

'7.8 Connected line identification presentation
AT+COLP=?
ERROR

'7.9 Called line identification presentation
AT+CDIP=?
ERROR

'7.10 Closed user group
AT+CCUG=?
ERROR

'7.11 Call forwarding number and conditions
AT+CCFC=?
+CCFC: (0-5)

'7.12 Call waiting
AT+CCWA=?
+CCWA: (0-1)

AT+CCWA?
+CCWA: 0

'7.13 Call related supplementary services
AT+CHLD=?
+CHLD: (0-4,11-16,21-26)

'7.14 Call deflection
AT+CTFR=?
ERROR

'7.15 Unstructured supplementary service data
AT+CUSD=?
+CUSD: (0-1)

AT+CUSD?
+CUSD: 0

'7.16 Advice of Charge
AT+CAOC=?
+CAOC: (0)

AT+CAOC?
+CME ERROR: 4

'7.17 Supplementary service notifications
AT+CSSN=?
+CSSN: (0-1),(0-1)

AT+CSSN?
+CSSN: 0,0

'7.18 List current calls
'not used here, for privacy reasons
AT+CLCC=?
ERROR

'7.19 Preferred operator list
'not used here, for privacy reasons
AT+CPOL=?
ERROR

'7.20 Selection of preferred operator list
AT+CPLS=?
ERROR

AT+CPLS?
ERROR

'7.21 Read operator names
'not used here, for privacy reasons
AT+COPN=?
ERROR

'7.22 eMLPP Priority Registration and Interrogation
'not used here, for privacy reasons
AT+CAEMLPP=?
ERROR

'7.23 eMLPP subscriptions
AT+CPPS=?
ERROR

'7.24 Fast call setup conditions
'not used here, for privacy reasons
AT+CFCS=?
ERROR

'7.25 Automatic answer for eMLPP Service
'not used here, for privacy reasons
AT+CAAP=?
ERROR

'7.26 User to User Signalling Service 1
AT+CUUS1=?
ERROR

AT+CUUS1?
ERROR

'8.1 Phone activity status
AT+CPAS=?
+CPAS: (0,3,4,129,130,131)

'8.2 Set phone functionality
AT+CFUN=?
+CFUN: (0-1)

AT+CFUN?
+CFUN: 1

'8.3 Enter PIN
AT+CPIN?
+CPIN: READY

'8.4 Battery charge
AT+CBC=?
+CBC: (0-2),(0-100)

'8.5 Signal quality
AT+CSQ=?
+CSQ: (0-31,99),(0-7,99)

'8.6 Mobile Equipment control mode
AT+CMEC=?
ERROR

AT+CMEC?
ERROR

'8.7 Keypad control
AT+CKPD=?
OK

'8.8 Display control
AT+CDIS=?
ERROR

'8.9 Indicator control
AT+CIND=?
+CIND: ("battchg",(0-5)),("signal",(0-5)),("batterywarning",(0-1)),("chargerconnected",(0-1)),("service",(0-1)),("sounder",(0-1)),("message",(0-1)),("call",(0-1)),("roam",(0-1)),("smsfull",(0-1))

'8.10 Mobile Equipment event reporting
AT+CMER=?
+CMER: (0,3),(0,2),0,(0-1),0

AT+CMER?
+CMER: 0,0,0,0,0

'8.11 Select phonebook memory storage
AT+CPBS=?
+CPBS: ("ME","SM","DC","FD","MC","MV","RC","HP","BC")

AT+CPBS?
+CPBS: "SM"

'8.12 Read phonebook entries
AT+CPBR=?
+CPBR: (1-100),80,17

AT+CPBR?
ERROR

'8.13 Find phonebook entries
AT+CPBF=?
+CPBF: 80,17

'8.14 Write phonebook entry
AT+CPBW=?
+CPBW: (1-100),80,(128-255),17

'8.15 Clock
AT+CCLK=?
OK

AT+CCLK?
+CCLK: "01/10/27,16:00:45+04"

'8.16 Alarm
AT+CALA=?
+CALA: (1-2),(),(),(13),()

AT+CALA?
OK

'8.17 Generic SIM access
AT+CSIM=?
ERROR

'8.18 Restricted SIM access
AT+CRSM=?
ERROR

'8.19 Secure control command
AT+CSCC=?
+CSCC: (1-2),(199)

'8.20 Alert sound mode
AT+CALM=?
ERROR

AT+CALM?
ERROR

'8.21 Ringer sound level
AT+CRSL=?
ERROR

'8.22 Vibrator mode
AT+CVIB=?
+CVIB: (0-1,16)

'8.23 Loudspeaker volume level
AT+CLVL=?
ERROR

'8.24 Mute control
AT+CMUT=?
ERROR

'8.25 Accumulated call meter
AT+CACM=?
OK

'8.26 Accumulated call meter maximum
AT+CAMM=?
OK

'8.27 Price per unit and currency table
AT+CPUC=?
OK

'8.28 Call Meter maximum event
AT+CCWE=?
ERROR

'8.29 Power class
AT+CPWC=?
ERROR

AT+CPWC?
ERROR

'8.30 Set Language
AT+CLAN=?
+CLAN: "de","en","fr","it","AUTO"

'8.31 Language Event
AT+CLAE=?
ERROR

AT+CLAE?
ERROR

'8.32 Set Greeting Text
AT+CSGT=?
ERROR

'8.33 Set Voice Mail Number
AT+CSVM=?
ERROR

'8.34 Ring Melody Playback
AT+CRMP=?
ERROR

'8.35 Master Reset
AT+CMAR=?
ERROR

'8.36 List all available AT commands
AT+CLAC
&F
*
*EACS
*EAID
*EALR
*EALS
*EAM
*EAMS
*EAPM
*EAPN
*EAPP
*EAPS
*EARS
*EASM
*EASY
*EBCA
*ECAM
*ECAR
*ECAS
*ECAW
*ECBP
*ECMW
*ECSP
*ECUR
*EDIF
*EDIS
*EDST
*EENL
*EFOS
*EGIR
*EINA
*EIPS
*EKSE
*EKSP
*EKSR
*ELAM
*ELAN
*ELIN
*EMAR
*EMIC
*EMIR
*EMLR
*EMWS
*ENAD
*EPED
*EPEE
*EPEW
*EPHD
*EPNR
*EPNW
*EPRR
*EPRW
*EQVL
*ERIL
*ERIN
*ERIP
*ESAG
*ESAM
*ESBL
*ESCG
*ESCN
*ESDF
*ESDG
*ESDI
*ESGR
*ESIL
*ESKL
*ESKS
*ESLN
*ESMA
*ESMM
*ESNU
*ESOM
*ESTF
*ESTL
*ESVM
*ESZS
*ETCH
*ETXT
*EVA
*EVAA
*EVD
*EVH
*EWBA
*EWBR
*EWCG
*EWCT
*EWDT
*EWHP
*EWIL
*EWLI
*EWPB
*EWPN
*EWPR
*EWSA
*EWSG
*EXVC
*EYDO
*EYPI
*EYRE
*EYRR
*EYRV
+CACM
+CALA
+CALD
+CAMM
+CAOC
+CAPD
+CBC
+CBST
+CCFC
+CCLK
+CCWA
+CFUN
+CGMI
+CGMM
+CGMR
+CGSMS
+CGSN
+CHLD
+CHSC
+CHSD
+CHSN
+CHUP
+CIMI
+CIND
+CKPD
+CLAC
+CLAN
+CLCK
+CLIP
+CLIR
+CMEE
+CMER
+CMGC
+CMGD
+CMGF
+CMGL
+CMGR
+CMGS
+CMGW
+CMOD
+CMSS
+CNMI
+CNUM
+COPS
+CPAS
+CPBF
+CPBR
+CPBS
+CPBW
+CPIN
+CPMS
+CPUC
+CPWD
+CRC
+CREG
+CRES
+CSAS
+CSCA
+CSCB
+CSCC
+CSCS
+CSMS
+CSQ
+CSSN
+CTZU
+CUSD
+CVIB
+VTS
+WS46
A
D
H
L
Q
S3
S4
S5
V
Z
/
&C
&D
&F
&W
*
*EINA
*EOBEX
*ESIR
+CEER
+CGACT
+CGATT
+CGDATA
+CGDATA
+CGDCONT
+CGEREP
+CGPADDR
+CGPADDR
+CGQMIN
+CGQREQ
+CGREG
+CHSR
+CHSU
+CHUP
+CHUP
+CLAC
+CMEE
+CMUX
+CR
+CRC
+CRLP
+CVHU
+DR
+DS
+FAA
+FBADLIN
+FBADMUL
+FBOR
+FBUG
+FCIG
+FCLASS
+FCQ
+FCR
+FDCC
+FDFFC
+FDIS
+FDR
+FDT
+FDT
+FECM
+FET
+FK
+FLID
+FLNFC
+FLPL
+FMDL?
+FMFR?
+FMI?
+FMINSP
+FMM?
+FMR?
+FPHCTO
+FPTS
+FRBC
+FREL
+FREV?
+FRH
+FRH
+FRM
+FRM
+FRS
+FRS
+FSPL
+FTBC
+FTH
+FTH
+FTM
+FTM
+FTS
+FTS
+FVRFC
+FWDFC
+GCAP
+GMI
+GMM
+GMR
+ICF
+IFC
+ILRR
+IPR
A
D
E
H
I
L
M
O
P
Q
S0
S10
S2
S3
S4
S5
S6
S7
S8
T
V
X
Z

'8.37 Delete alarm
AT+CALD=?
+CALD: (1-2)

'8.38 Postpone or dismiss an alarm
AT+CAPD=?
+CAPD: (0,540)

'8.39 Automatic Time Zone Update
AT+CTZU=?
+CTZU: (0-1)

AT+CTZU?
+CTZU: 0

'8.40 Time Zone Reporting
AT+CTZR=?
ERROR

AT+CTZR?
ERROR

'8.41 Enter protocol mode
AT+CPROT=?
ERROR

'9.1 Report Mobile Equipment error
AT+CMEE=?
+CMEE: (0-2)

'10.1.1 Define PDP Context
AT+CGDCONT=?
+CGDCONT:(1-10),("IP"),,,(0-1),(0-1)

'10.1.2 Define Secondary PDP Context
AT+CGDSCONT=?
ERROR

'10.1.3 Traffic Flow Template
AT+CGTFT=?
ERROR

'10.1.4 Quality of Service Profile (Requested)
AT+CGQREQ=?
+CGQREQ: (1-10),(0-3),(0-4),(0-5),(0-5),(0-18,31)

'10.1.5 Quality of Service Profile (Minimum acceptable)
AT+CGQMIN=?
+CGQMIN: (1-10),(0-3),(0-4),(0-5),(0-5),(0-18,31)

'10.1.6 3G Quality of Service Profile (Requested)
AT+CGEQREQ=?
ERROR

'10.1.7 3G Quality of Service Profile (Minimum acceptable)
AT+CGEQMIN=?
ERROR

'10.1.8 3G Quality of Service Profile (Negotiated)
AT+CGEQNEG=?
ERROR

'10.1.9 PS attach or detach
AT+CGATT=?
+CGATT: (0,1)

'10.1.10 PDP context activate or deactivate
AT+CGACT=?
+CGACT: (0,1)

'10.1.11 PDP Context Modify
AT+CGCMOD=?
ERROR

'10.1.12 Enter data state
AT+CGDATA=?
+CGDATA:("PPP")

'10.1.13 Configure local Octet Stream PAD parameters
AT+CGCLOSP=?
ERROR

'10.1.14 Show PDP address
AT+CGPADDR=?
+CGPADDR: (1,2)

'10.1.15 Automatic response to a network request for PDP context activation
AT+CGAUTO=?
ERROR

'10.1.16 Manual response to a network request for PDP context activation
AT+CGANS=?
ERROR

'10.1.17 GPRS mobile station class
AT+CGCLASS=?
ERROR

AT+CGCLASS?
ERROR

'10.1.12 Configure local triple-X PAD parameters
AT+CGCLPAD=?
ERROR

'10.1.18 Packet Domain event reporting
AT+CGEREP=?
+CGEREP: (0,1),(0)

'10.1.19 GPRS network registration status
AT+CGREG=?
+CGREG: (0-2)

'10.1.20 Select service for MO SMS messages
AT+CGSMS=?
+CGSMS: (2,3)

'11.1.1 Accept an incoming Voice Group or Voice Broadcast Call
AT+CAJOIN=?
ERROR

'11.1.2 Reject an incoming Voice Group or Voice Broadcast Call
AT+CAREJ=?
ERROR

'11.1.3 Leave an ongoing Voice Group or Voice Broadcast Call
AT+CAHLD=?
ERROR

'11.1.4 Talker Access for Voice Group Call
AT+CAPTT=?
ERROR

'11.1.5 Voice Group Call Uplink Status Presentation
AT+CAULEV=?
ERROR

'11.1.6 List current Voice Group and Voice Broadcast Calls
AT+CALCC=?
ERROR

'11.1.7 Voice Group or Voice Broadcast Call State Attribute Presentation
AT+CACSP=?
ERROR

'11.1.8 NCH Support Indication
AT+CANCHEV=?
ERROR

'11.1.9 Originator to Dispatcher Information
AT+COTDI=?
ERROR

AT+COTDI?
ERROR

'11.3.1 VGCS subscriptions and GId status
AT+CGCS=?
ERROR

AT+CGCS?
ERROR

'11.3.2 VBS subscriptions and GId status
AT+CBCS=?
+CBC: 0,69
ERROR

AT+CBCS?
+CBC: 0,69
ERROR

'
'According to 3GPP TS 27.005 version 4.0.0:
'3.2.1 Select Message Service
AT+CSMS=?
+CSMS: (0)

AT+CSMS?
+CSMS: 0, 1, 1, 1

'3.2.2 Preferred Message Storage
AT+CPMS=?
+CPMS: ("ME","SM"),("ME","SM"),("ME")

AT+CPMS?
+CPMS: "SM",0,12,"SM",0,12,"ME",9,40

'3.2.3 Message Format
AT+CMGF=?
+CMGF: (0)

AT+CMGF?
+CMGF: 0

'3.2.4 Enter SMS Block Mode Protocol
AT+CESP=?
ERROR

'3.3.1 Service Centre Address
AT+CSCA=?
OK

'3.3.2 Set Text Mode Parameters
AT+CSMP=?
ERROR

AT+CSMP?
ERROR

'3.3.3 Show Text Mode Parameters
AT+CSDH=?
ERROR

AT+CSDH?
ERROR

'3.3.4 Select Cell Broadcast Message Types
AT+CSCB=?
+CSCB: (0)

AT+CSCB?
+CSCB: 0,""

'3.3.5 Save Settings
AT+CSAS=?
+CSAS: (0-4)

'3.3.6 Restore Settings
AT+CRES=?
+CRES: (0-4)

'3.4.1 New Message Indications to TE
AT+CNMI=?
+CNMI: (3),(0,1,3),(0,2),(0),(0)

AT+CNMI?
+CNMI: 3,0,0,0,0

'3.5.4 Delete Message
AT+CMGD=?
OK

'3.5.6 More Messages to Send
AT+CMMS=?
ERROR

'
'SMS Text mode
AT+CMGF=1
+CMS ERROR: 303

'3.4.2 List Messages
AT+CMGL=?
AT +CMGF=1
+CMS ERROR: 303

'3.4.3 Read Message
AT+CMGR=?
OK

'3.4.4 New Message Acknowledgement to ME/TA
AT+CNMA=?
ERROR

'3.5.1 Send Message
AT+CMGS=?
OK

'3.5.2 Send Message from Storage
AT+CMSS=?
OK

'3.5.3 Write Message to Memory
AT+CMGW=?
OK

'3.5.5 Send Command
AT+CMGC=?
OK

'
'SMS PDU mode
AT+CMGF=0
OK

'4.1 List Messages
AT+CMGL=?
+CMGL: (0-4)

'4.2 Read Message
AT+CMGR=?
OK

'4.3 Send Message
AT+CMGS=?
OK

'4.4 Write Message to Memory
AT+CMGW=?
OK

'4.5 Send Command
AT+CMGC=?
OK

'4.6 New Message Acknowledgement to ME/TA
AT+CNMA=?
ERROR

'4.7 Send Message from Storage
AT+CMSS=?
OK