Hardware:AT Commands

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The protocol used to access the GSM chip is part of the GSM standard.

Harald wrote on 2007-01-31 on the list http://lists.openmoko.org/pipermail/community/2007-January/002708.html "The chipset supports all of the mandatory ETSI GSM TS 07.07 commands (use http://pda.etsi.org/pda/queryform.asp to get it), plus some of the optional ones. This GSM standard even has a command that lists the list of available commands (AT+CLAC)."

On OpenMoko, the commands should be used via gsmd.

See also: http://wiki.openezx.org/AT_commands

German Link for AT explainations: http://www.nobbi.com/atgsm.htm

Contents

On the Neo1973

Uncommented List of AT Commands

(AT+CLAC) on the Neo1973 gives this list:

AT+CACM
AT+CAMM
AT+CAOC
AT+CBC
AT+CBST
AT+CCFC
AT+CCUG
AT+CCWA
AT+CCWE
AT+CEER
AT+CFUN
AT+CGACT
AT+CGANS
AT+CGATT
AT+CGAUTO
AT+CGCLASS
AT+CGDATA
AT+CGDCONT
AT+CGEREP
AT+CGMI
AT+CGMM
AT+CGMR
AT+CGPADDR
AT+CGQMIN
AT+CGQREQ
AT+CGREG
AT+CGSMS
AT+CGSN
AT+CHLD
AT+CHUP
AT+CIMI
AT+CLAC
AT+CLAE
AT+CLAN
AT+CLCC
AT+CLCK
AT+CLIP
AT+CDIP
AT+CLIR
AT+CLVL
AT+CMEE
AT+CMGC
AT+CMGD
AT+CMGF
AT+CMGL
AT+CMGR
AT+CMGS
AT+CMGW
AT+CMOD
AT+CMSS
AT+CMMS
AT+CMUT
AT+CMUX
AT+CNMA
AT+CNMI
AT+CNUM
AT+COLP
AT+COPN
AT+COPS
AT+CPAS
AT+CPBF
AT+CPBR
AT+CPBS
AT+CPBW
AT+CPIN
AT+CPMS
AT+CPOL
AT+CPUC
AT+CPWD
AT+CR
AT+CRC
AT+CREG
AT+CRES
AT+CRLP
AT+CRSL
AT+CRSM
AT+CSAS
AT+CSCA
AT+CSCB
AT+CSCS
AT+CSDH
AT+CSIM
AT+CSMP
AT+CSMS
AT+CSNS
AT+CSQ
AT%CSQ
AT+CSSN
AT+CSTA
AT+CSVM
AT+CTFR
AT+CUSD
AT+DR
AT+FAP
AT+FBO
AT+FBS
AT+FBU
AT+FCC
AT+FCLASS
AT+FCQ
AT+FCR
AT+FCS
AT+FCT
AT+FDR
AT+FDT
AT+FEA
AT+FFC
AT+FHS
AT+FIE
AT+FIP
AT+FIS
AT+FIT
AT+FKS
AT+FLI
AT+FLO
AT+FLP
AT+FMI
AT+FMM
AT+FMR
AT+FMS
AT+FND
AT+FNR
AT+FNS
AT+FPA
AT+FPI
AT+FPS
AT+FPW
AT+FRQ
AT+FSA
AT+FSP
AT+GCAP
AT+GCI
AT+GMI
AT+GMM
AT+GMR
AT+GSN
AT+ICF
AT+IFC
AT+ILRR
AT+IPR
AT+VTS
AT+WS46
AT%ALS
AT%ATR
AT%BAND
AT%CACM
AT%CAOC
AT%CCBS
AT%STDR
AT%CGAATT
AT%CGMM
AT%CGREG
AT%CNAP
AT%CPI
AT%COLR
AT%CPRIM
AT%CTV
AT%CUNS
AT%NRG
AT%SATC
AT%SATE
AT%SATR
AT%SATT
AT%SNCNT
AT%VER
AT%CGCLASS
AT%CGPCO
AT%CGPPP
AT%EM
AT%EMET
AT%EMETS
AT%CBHZ
AT%CPHS
AT%CPNUMS
AT%CPALS
AT%CPVWI
AT%CPOPN
AT%CPCFU
AT%CPINF
AT%CPMB
AT%CPRI
AT%DATA
AT%DINF
AT%CLCC
AT%DBGINFO
AT%VTS
AT%CHPL
AT%CREG
AT+CTZR
AT+CTZU
AT%CTZV
AT%CNIV
AT%PVRF
AT%CWUP
AT%DAR
AT+CIND
AT+CMER
AT%CSCN
AT%RDL
AT%RDLB
AT%CSTAT
AT%CPRSM
AT%CHLD
AT%SIMIND
AT%SECP
AT%SECS
AT%CSSN
AT+CCLK
AT%CSSD
AT%COPS
AT%CPMBW
AT%CUST
AT%SATCC
AT%COPN
AT%CGEREP
AT%CUSCFG
AT%CUSDR
AT%CPBS
AT%PBCF
AT%SIMEF
AT%EFRSLT
AT%CMGMDU
AT%CMGL
AT%CMGR
ATA
ATB
AT&C
ATD
AT&D
ATE
ATF
AT&F
ATH
ATI
AT&K
ATL
ATM
ATO
ATP
ATQ
ATS
ATT
ATV
ATW
AT&W
ATX
ATZ

Results of AT Commands

Taken from "3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; AT command set for User Equipment (UE) (Release 7)" - 3GPP TS 27.007 V7.2.0 (2006-09)

Section 5, General Commands

Request manufacturer identification +CGMI

AT+CGMI
<manufacturer>

OK

Request model identification +CGMM

AT+CGMM
<model>

OK

Request revision identification +CGMR

AT+CGMR
<revision>

OK

Request product serial number identification +CGSN

AT+CGSN
<serial number>

OK

Select TE character set +CSCS

AT+CSCS?
+CSCS: "IRA"

OK
AT+CSCS=?
+CSCS: "GSM","IRA","PCCP437","PCDN","8859-1","HEX","UCS2"

OK

Request international mobile subscriber identity +CIMI

AT+CIMI
*************** (I'm not giving you my IMSI!)

OK

Request subscriber number +CNUM

AT+CNUM
+CNUM: ,"0123456789",122

OK

Multiplexing mode +CMUX

AT+CMUX?
ERROR
AT+CMUX=?
+CMUX: (1),(0),(1-5),(10-100),(1-255),(0-100),(2-255),(1-255),(1-7)

OK

PCCA STD 101 [17] select wireless network +WS46

AT+WS46=?
+WS46: (12)

OK

Section 6, Call control commands and methods

Select type of address +CSTA

AT+CSTA?
+CSTA: 129

OK
AT+CSTA=?
+CSTA: (129,145)

OK

Call mode +CMOD

AT+CMOD=?
+CMOD: (0-3)

OK

Select bearer service type +CBST

AT+CBST?
+CBST: 7,0,1

OK
AT+CBST=?
+CBST: (0-7,12,14,65,66,68,70,71,75),(0),(0-3)

OK

Radio link protocol +CRLP

AT+CRLP?
+CRLP: 61,61,48,6

OK
AT+CRLP=?
+CRLP: (0-61),(0-61),(39-255),(1-255)

OK

Service reporting control +CR

AT+CR?
+CR: 0

OK
AT+CR=?
+CR: (0,1)

OK

Extended error report +CEER

AT+CEER
+CEER: 0,0,5,16,normal call clearing

OK

Cellular result codes +CRC

AT+CRC=1
OK

+CRING: VOICE

Single numbering scheme +CSNS

AT+CSNS=?
+CSNS: (0-7)

OK

Section 7, Network service related commands

7.2 Network registration +CREG

AT+CREG?
+CREG: 0,0

OK
AT+CREG=?
+CREG: (0-2)

OK

7.3 PLMN selection +COPS

AT+CREG=1
OK

AT+COPS=0
OK

+CREG: 2

+CREG: 1

Section 8, Mobile Termination control and status commands

8.1 Phone activity status +CPAS

AT+CPAS
+CPAS: 0

OK
AT+CPAS=?
+CPAS: (0-5)

OK

8.2 Set phone functionality +CFUN

AT+CFUN?
+CFUN: 1

OK
AT+CFUN=?
+CFUN: (0,1,4),(0)

OK

8.4 Battery charge +CBC

AT+CBC
+CBC: 0,0

OK
AT+CBC=?
+CBC: (0-3),(0-100)

OK

Miscellaneous

AT+CPAS
+CPAS: 5

OK
AT+CPAS?
ERROR
AT+CPAS=?
+CPAS: (0-5)

OK
AT%BAND?
%BAND: 0

OK
AT%BAND=?
%BAND: (0-1),(1-31)

OK
AT+CSSN?
+CSSN: 0,0

OK
AT+CSSN=?
+CSSN: (0,1),(0,1)

OK
Personal tools

The protocol used to access the GSM chip is part of the GSM standard.

Harald wrote on 2007-01-31 on the list http://lists.openmoko.org/pipermail/community/2007-January/002708.html "The chipset supports all of the mandatory ETSI GSM TS 07.07 commands (use http://pda.etsi.org/pda/queryform.asp to get it), plus some of the optional ones. This GSM standard even has a command that lists the list of available commands (AT+CLAC)."

On OpenMoko, the commands should be used via gsmd.

See also: http://wiki.openezx.org/AT_commands

German Link for AT explainations: http://www.nobbi.com/atgsm.htm

On the Neo1973

Uncommented List of AT Commands

(AT+CLAC) on the Neo1973 gives this list:

AT+CACM
AT+CAMM
AT+CAOC
AT+CBC
AT+CBST
AT+CCFC
AT+CCUG
AT+CCWA
AT+CCWE
AT+CEER
AT+CFUN
AT+CGACT
AT+CGANS
AT+CGATT
AT+CGAUTO
AT+CGCLASS
AT+CGDATA
AT+CGDCONT
AT+CGEREP
AT+CGMI
AT+CGMM
AT+CGMR
AT+CGPADDR
AT+CGQMIN
AT+CGQREQ
AT+CGREG
AT+CGSMS
AT+CGSN
AT+CHLD
AT+CHUP
AT+CIMI
AT+CLAC
AT+CLAE
AT+CLAN
AT+CLCC
AT+CLCK
AT+CLIP
AT+CDIP
AT+CLIR
AT+CLVL
AT+CMEE
AT+CMGC
AT+CMGD
AT+CMGF
AT+CMGL
AT+CMGR
AT+CMGS
AT+CMGW
AT+CMOD
AT+CMSS
AT+CMMS
AT+CMUT
AT+CMUX
AT+CNMA
AT+CNMI
AT+CNUM
AT+COLP
AT+COPN
AT+COPS
AT+CPAS
AT+CPBF
AT+CPBR
AT+CPBS
AT+CPBW
AT+CPIN
AT+CPMS
AT+CPOL
AT+CPUC
AT+CPWD
AT+CR
AT+CRC
AT+CREG
AT+CRES
AT+CRLP
AT+CRSL
AT+CRSM
AT+CSAS
AT+CSCA
AT+CSCB
AT+CSCS
AT+CSDH
AT+CSIM
AT+CSMP
AT+CSMS
AT+CSNS
AT+CSQ
AT%CSQ
AT+CSSN
AT+CSTA
AT+CSVM
AT+CTFR
AT+CUSD
AT+DR
AT+FAP
AT+FBO
AT+FBS
AT+FBU
AT+FCC
AT+FCLASS
AT+FCQ
AT+FCR
AT+FCS
AT+FCT
AT+FDR
AT+FDT
AT+FEA
AT+FFC
AT+FHS
AT+FIE
AT+FIP
AT+FIS
AT+FIT
AT+FKS
AT+FLI
AT+FLO
AT+FLP
AT+FMI
AT+FMM
AT+FMR
AT+FMS
AT+FND
AT+FNR
AT+FNS
AT+FPA
AT+FPI
AT+FPS
AT+FPW
AT+FRQ
AT+FSA
AT+FSP
AT+GCAP
AT+GCI
AT+GMI
AT+GMM
AT+GMR
AT+GSN
AT+ICF
AT+IFC
AT+ILRR
AT+IPR
AT+VTS
AT+WS46
AT%ALS
AT%ATR
AT%BAND
AT%CACM
AT%CAOC
AT%CCBS
AT%STDR
AT%CGAATT
AT%CGMM
AT%CGREG
AT%CNAP
AT%CPI
AT%COLR
AT%CPRIM
AT%CTV
AT%CUNS
AT%NRG
AT%SATC
AT%SATE
AT%SATR
AT%SATT
AT%SNCNT
AT%VER
AT%CGCLASS
AT%CGPCO
AT%CGPPP
AT%EM
AT%EMET
AT%EMETS
AT%CBHZ
AT%CPHS
AT%CPNUMS
AT%CPALS
AT%CPVWI
AT%CPOPN
AT%CPCFU
AT%CPINF
AT%CPMB
AT%CPRI
AT%DATA
AT%DINF
AT%CLCC
AT%DBGINFO
AT%VTS
AT%CHPL
AT%CREG
AT+CTZR
AT+CTZU
AT%CTZV
AT%CNIV
AT%PVRF
AT%CWUP
AT%DAR
AT+CIND
AT+CMER
AT%CSCN
AT%RDL
AT%RDLB
AT%CSTAT
AT%CPRSM
AT%CHLD
AT%SIMIND
AT%SECP
AT%SECS
AT%CSSN
AT+CCLK
AT%CSSD
AT%COPS
AT%CPMBW
AT%CUST
AT%SATCC
AT%COPN
AT%CGEREP
AT%CUSCFG
AT%CUSDR
AT%CPBS
AT%PBCF
AT%SIMEF
AT%EFRSLT
AT%CMGMDU
AT%CMGL
AT%CMGR
ATA
ATB
AT&C
ATD
AT&D
ATE
ATF
AT&F
ATH
ATI
AT&K
ATL
ATM
ATO
ATP
ATQ
ATS
ATT
ATV
ATW
AT&W
ATX
ATZ

Results of AT Commands

Taken from "3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; AT command set for User Equipment (UE) (Release 7)" - 3GPP TS 27.007 V7.2.0 (2006-09)

Section 5, General Commands

Request manufacturer identification +CGMI

AT+CGMI
<manufacturer>

OK

Request model identification +CGMM

AT+CGMM
<model>

OK

Request revision identification +CGMR

AT+CGMR
<revision>

OK

Request product serial number identification +CGSN

AT+CGSN
<serial number>

OK

Select TE character set +CSCS

AT+CSCS?
+CSCS: "IRA"

OK
AT+CSCS=?
+CSCS: "GSM","IRA","PCCP437","PCDN","8859-1","HEX","UCS2"

OK

Request international mobile subscriber identity +CIMI

AT+CIMI
*************** (I'm not giving you my IMSI!)

OK

Request subscriber number +CNUM

AT+CNUM
+CNUM: ,"0123456789",122

OK

Multiplexing mode +CMUX

AT+CMUX?
ERROR
AT+CMUX=?
+CMUX: (1),(0),(1-5),(10-100),(1-255),(0-100),(2-255),(1-255),(1-7)

OK

PCCA STD 101 [17] select wireless network +WS46

AT+WS46=?
+WS46: (12)

OK

Section 6, Call control commands and methods

Select type of address +CSTA

AT+CSTA?
+CSTA: 129

OK
AT+CSTA=?
+CSTA: (129,145)

OK

Call mode +CMOD

AT+CMOD=?
+CMOD: (0-3)

OK

Select bearer service type +CBST

AT+CBST?
+CBST: 7,0,1

OK
AT+CBST=?
+CBST: (0-7,12,14,65,66,68,70,71,75),(0),(0-3)

OK

Radio link protocol +CRLP

AT+CRLP?
+CRLP: 61,61,48,6

OK
AT+CRLP=?
+CRLP: (0-61),(0-61),(39-255),(1-255)

OK

Service reporting control +CR

AT+CR?
+CR: 0

OK
AT+CR=?
+CR: (0,1)

OK

Extended error report +CEER

AT+CEER
+CEER: 0,0,5,16,normal call clearing

OK

Cellular result codes +CRC

AT+CRC=1
OK

+CRING: VOICE

Single numbering scheme +CSNS

AT+CSNS=?
+CSNS: (0-7)

OK

Section 7, Network service related commands

7.2 Network registration +CREG

AT+CREG?
+CREG: 0,0

OK
AT+CREG=?
+CREG: (0-2)

OK

7.3 PLMN selection +COPS

AT+CREG=1
OK

AT+COPS=0
OK

+CREG: 2

+CREG: 1

Section 8, Mobile Termination control and status commands

8.1 Phone activity status +CPAS

AT+CPAS
+CPAS: 0

OK
AT+CPAS=?
+CPAS: (0-5)

OK

8.2 Set phone functionality +CFUN

AT+CFUN?
+CFUN: 1

OK
AT+CFUN=?
+CFUN: (0,1,4),(0)

OK

8.4 Battery charge +CBC

AT+CBC
+CBC: 0,0

OK
AT+CBC=?
+CBC: (0-3),(0-100)

OK

Miscellaneous

AT+CPAS
+CPAS: 5

OK
AT+CPAS?
ERROR
AT+CPAS=?
+CPAS: (0-5)

OK
AT%BAND?
%BAND: 0

OK
AT%BAND=?
%BAND: (0-1),(1-31)

OK
AT+CSSN?
+CSSN: 0,0

OK
AT+CSSN=?
+CSSN: (0,1),(0,1)

OK