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AT Command Interface Specification
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Contents
Identity Information Query Commands
Example
Security Control Commands
Network Service Interface Commands
Issue 01 Huawei Proprietary and Confidential
Call Control Commands
SMS Interface Commands
101
108
Internet Service Interface Commands
123
128
146
Product Description
Content Description
Overall Description
A command or a response
Overview of AT Command Interfaces
Instructions for Use
Line feed character. For details, see the description in S4
Prefixed with +
2shows the basic organization format of the AT command line
Command Format Description
1Format of a basic command
Command Command Format Description Type
Abort Attributes of AT Commands
Chapter Description
Organization of This Document
Chapter Description
Echo Command
Basic Configuration Commands
Command Possible Responses
Evalue
S4-Response Format Character
S3-Command Line Termination Character
S5? CRLFvalueCRLF
S5-Backspace Character
S5=value
String FormatV1 Digit Format Meaning
Command for Setting the Response Format
F-Command for Restoring Factory Settings
Command for Controlling Return of the Execution Result
Case of an MT-related error
Crlferrorcrlf
Command Parameter
V-Command for Querying the Current Configuration
+IFC +ICF +CNMI
+CPMS
+CMEE +CREG
A/-Command for Repeating the Previous Command
+IPR
AT+CGSN
10 +CMEE-Command for Setting the Error Report Format
+CMEE?
+CMEE=?
+CFUN=?
11 +CFUN-Command for Setting the Operating Mode
+CFUN?
Reset Command for Delaying the Module Reset Function
VOLT-Command for Querying the voltage
RESET?
Volt
HS-Command for Shaking Hands with the TE
MSO-Shutdown Command
MSO Crlfokcrlf
Crlfcrlfokcrlf
ATHS=0,0 HS494BBC7E,0,0,2,3
Ivalue CRLFmodule infoCRLF
Identity Information Query Commands
Command for Querying Product Identity Information
AT+CGMI
+CGMI/+GMI-Command for Querying Manufacturer Information
ATI
AT+CGMM
+CGMM/+GMM-Command for Querying Product Name
+CGMR/+GMR-Command for Querying the Software Version
+GSN CRLF+GSNESNCRLF Crlfokcrlf
+GSN-Command for Querying the ESN
AT+CGMR
AT+GSN
+CGSN-Command for Querying the ESN
+GSN80469bb7
+CGSN Crlfesncrlf Crlfokcrlf +CGSN=?
MEID-Command for Querying the Meid
HWVER-Command for Querying the Hardware Version
There are a maximum of 15 characters
+CIMI-Command for Querying the Imsi
ICCID-Command for Querying the Iccid
MDN
MDN-Command for Querying the MDN
ATICCID?
MDN8613312121001
Atmdn
+CLCK-Command for Enabling the PIN and Querying the Status
Security Control Commands
When mode≠2 and the command is successfully
+CLCK=?
+CPIN=pin,newpin
+CPIN-PIN Management Command
+CPIN?
CRLF+CPINcodeCRLF
CPIN=? Crlfokcrlf
CPIN-PIN Extension Management Command
CPIN?
Parameter Description
+CPWD=?
+CPWD-Command for Changing the Password
AT+CPWD=SC,1111,2222
AT+CLCK=SC,2 +CLCK1
C-Command for Setting the Changing Mode of DCD Signals
Serial Port Control Commands
This command sets the changing mode of DCD signals
Cvalue
Svalue
S-Command for Setting the Changing Mode of DSR Signals
Dvalue
+ICF?
+ICF-Command for Setting the Character Frame Format
+IPR=rate
+IPR-Command for Setting the Fixed Baud Rate
+IPR?
CRLF+IPRrateCRLF
Crlf
+IFC-Command for Setting Flow Control
+IFC?
AT+IFC is equivalent to AT+IFC=0,0
Crlf Simst simstate Crlf
Network Service Interface Commands
SIMST-change of uim state instructions
Sysinfo
SYSINFO-Command for Querying System Information
8CDMA/HDR Hybrid
DSDORMANT-Instructions into the dormant
0NOSRV
11REVA
PREFMODE-Command for setting the network mode
MODE-Command for Indicating the System Mode Change
Crlferrorcrlf PREFMODE?
Crlfokcrlf PREFMODE=?
Prefmode 2 Cdma mode HDR mode CDMA/HDR Hybrid mode
Rfswitch-Command for Setting the Flight Mode
RFSWITCH?
Rfswitch =?
Rfswitch 0,1
+CSQ-Command for Querying the Rssi
Atrfswitch ?
Test command queries the current Rssi and BER values
RSSILVL-Command for Reporting the Rssi
RSSIREP-Command for Setting the Reporting of the Rssi
HRSSILVL-Command for Reporting the HDR Rssi
RSSIREP?
RSSIREP=?
Crssi
CRSSI-Command for Reporting the Rssi
CRLFCRSSIrssiCRLFOKCRLF
CRLFCRSSIrssiCRLF
Time
HDRRSSI-Command for Reporting the HDR Rssi
Hdrrssi
Attime
COTKSLACT-Command for Defining a Subscriber
COTKSLACT=MDN,MIN Crlfokcrlf
COTKSLACT? Crlfokcrlf COTKSLACT=?
OTAACTED?
OTAACTED-Command for Querying the OTA Activation Status
OTACMSG-Command for Indicating the OTA Update Status
CURRSID?
CURRSID-Command for Query SID of The Current System
CURRSID=? Crlfokcrlf
Atcurrsid
CURRSID0,0,0
Atcurrsid CURRSID0,0,8E4FC
Crlfno Carriercrlf
Call Control Commands
Command for Originating a Data Service Call
+CDV-Command for Originating a Voice Call
Command for Disconnecting the Data Service
Hvalue
+CDVdialstring
Command for Answering a Call a
+CHV-Command for Disconnecting a Voice Call
This command disconnects a voice call
AT+CDV13372311111 ORIG0,0
S0-Command for Setting Automatic Answer
RING-Command for Indicating a Call
S0=value
S0? CRLFvalueCRLF
This command indicates that the MT is originating a call
ORIG-Command for Indicating the Origination of a Call
CONN-Command for Indicating a Call Connection
UseCRLF
CEND-Command for Indicating the End of a Call
CRLFCENDcallx,duration,endstatus,ccca
+CLIP?
11 +CLIP-Command for Setting the Presentation of Caller ID
+CLIP=?
URC
+CLCC=? Crlfokcrlf
12 +CLCC-Command for Querying the Call Status
+CLCC
AT+CLCC
DTMF-Two-Stage Dialing Command
+CLCC1,0,0,0,0,13801000841,129
DTMF=callx,dtmfdigit
PPPCFG=userid,password
PPPCFG-Command for Setting the PPP User Name and Password
Pppcfg or PPPCFG? CRLFPPPCFGuserid,password
AT+CDV10000 ORIG2,0 CONN2,0
+CTA?
15 +CTA-Command for Setting operating mode
Cta the time to enter the dormant
+CPMS=?
SMS Interface Commands
+CPMS?
CRLF+CNMImode,mt,bm,ds,bfrCR
+CNMI=mode,mt
+CNMI?
+CNMI=?
CRLF+CNMIsupported mode list,supported
Mt list,supported bm list,supported ds
List,supported bfr list Crlf
Hcmt
Yes
+CMTI
Hcds
+CMTI-Command for Indicating the Arrival of a Short Message
HCMT-Command for Reporting a New Short Message
CRLF+CDSImem,indexCRLF
Wmstagmtnotread Wmstagmtread Wmstagmonotsent Wmstagmosent
Crlfhcds
Crlfhcds reserved,lengthCRLF layer3
CallerID,year,month,day,hour,minute,second
Lang,format,length,prt,prv,type,tagCRLF
Wmstagmtnotread 1:WMSTAGMTREAD
:WMSTAGMOSENT
+CNMA-Command for Acknowledging a New Short Message
+CNMA Crlfokcrlf
+CNMA=? Crlfokcrlf
Crlfokcrlf HSMSSS=?
HSMSSS-Command for Setting Short Message Parameters
HSMSSS?
HCMGS=? Crlfokcrlf
HCMGS-Command for Sending a Short Message
Case of an SMS-related error CRLF+CMS ERRORerrCRLF
Text mode HCMGS=da,toda command is sent with the end of CR
HCMGSF-Command for Reporting Short Message Sending Failure
Parameter Description
Wmsothergeneralproblemsmorelasts
HCMGW-Command for Storing a Short Message
CRLF+CMS
HCMGW=? Crlfokcrlf
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HCMGW1
It saves a message but don‟t send out At HCMGW=44,2
HCMGL=?
HCMGL-Short Message List Command
Crlfhcmgr
HCMGR-Command for Reading a Short Message
Crlfhcmgr :
HCMGR=? Crlfokcrlf
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+CMGD=?
15 +CMGD-Command for Deleting a Short Message
+CMGF=mode
17 +CMGF- Command for Set Message Format
CRLF+CMGFmodeCRLF
+CMGF?
+CMGF=?
CRLF+CMGFlist of supported
+CPBS-Command for Selecting a Phonebook Memory
Phonebook Interface Commands
+CPBS?
+CPBS=?
CPBR=?
CPBR-Command for Reading the Phonebook
Crlfcpbr
CPBW=?
CPBW-Command for Writing Entries to the Phonebook
Atcpbw = 1,28780808,129,80534E4E3A,1
IPINIT-Command for Initializing a TCP/UDP Connection
Internet Service Interface Commands
IPINIT?
CRLFIPINIT0CRLF
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Crlfokcrlf IPOPEN=?
IPOPEN-Command for Establishing a TCP/UDP Connection
IPOPEN?
ATIPOPEN?
IPLISTEN-Command for Enabling Server Listening
IPLISTEN?
IPLISTEN=?
ATIPLISTEN=TCP,12000 ATIPLISTEN? IPLISTENTCP,12000,2
ATIPLISTEN? IPLISTENNULL,0,2 ATIPLISTEN=?
IPLISTENTCP,UDP,1-65535,0-5
IPSEND=linkid,data CRLFIPSENDlinkidCRLF
IPSEND-Command for Transmitting TCP/UDP Data
IPSEND=? Crlfokcrlf
ATIPSEND=3,ASDF IPSEND3
IPGETDATA?
Crlfipgetdata
IPGETDATA=?
ATIPGETDATA? IPGETDATA0,2,4 IPGETDATA1,2,3
ATIPGETDATA=1 IPGETDATA1,2,3 ADF
IPDATA-Command for Indicating the Arrival of TCP/UDP Data
IPGETDATA2,3,4 ATIPGETDATA=0 IPGETDATA0,2,4
IPCLOSE?
IPCLOSE-Command for Disabling a TCP/UDP Connection
IPCLOSE=?
ATIPCLOSE?
IPENTRANS=linkid
IPCLOSE1,1,0,0,0
ATIPCLOSE=1 OK ATIPCLOSE? IPCLOSE0,1,0,0,0
ATIPENTRANS=1
CPCM-Configure PCM audio
Audio Commands
Swspath -Switch Sound Path
PCM CLK
CPCM?
11.3 +CMIC -Tune microphone gain level
11.4 +CLVL -Tune loudspeaker volume level
+CMIC?
+CMIC=?
+CLVL=?
11.5 +CMUT -Switch mute status
+CMUT?
+CMUT=?
SMUT=?
Smut -Switch speaker mute status
SMUT?
Wakeupcfg -Wakeup Function Configuration
Wakeup Commands
WAKEUPCFG? Crlfwakeupcfg
WAKEUPCFG=?
Configuration Succeed
Query the current configuration parameters
ATWAKEUPCFG?
Wakeupcfg 1,1,7
CURC=?
Curc -Unsolicited report control command
Crlfokcrlf CURC?
BODYSARON-Disable or Enable Body SAR
SAR Commands
Crlferrorcrlf Bodysaron ?
BODYSARON=? CRLFBODYSARON0,1CRLF Crlfokcrlf
Crlferrorcrlf BODYSARCDMA?
Bodysarcdma -Set the max tx Power Limit
Crlferrorcrlf Bodysarcdma =?
THERM-Thermal Protection Activated Usolicited Report
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WPDOM-Command for Setting Operation Mode
GPS Commands
WPDOM?
Crlfokcrlf WPDOM=?
Operation not supported
Error code Error Description
Error code Error description
WPDST-Command for Setting Session Type
WPDST?
Crlfokcrlf WPDST=?
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Crlfokcrlf WPQOS=?
WPQOS-Command for Setting Fix QoS
WPQOS? Crlfwpqos
WPEND-Command for ending GPS Position
WPDGP-Command for Starting GPS Position
Wpdgp Crlfokcrlf
Wpend Crlfokcrlf
276 GPS function disabled 284 PD session is in off status
POSITION-Command for Reporting Position Result
When position success POSITION:113.94026d,22.53206d, 270m
POSEND-Command for Reporting Position End
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WPDIM=mode
WPDIM-Command for Deleting Assisted Data
WPDIM=?
Crlfwpdim list of supported modes
This command queries current GPS type
GPSTYPE-Command for Quering GPS Type
GPSTYPE?
Crlfgpstype typeCRLF
ATGPSTYPE? GPSTYPE:31
If the module support all GPS types
Appendix
CME Error List
Err 100 65280 Value
+CPWD= +CPIN= +CPIN? +CFUN= +CIMI= +CGSN CPBS=
Phone failure
CPBR= CPBW= DTMF=
Err Code String Text
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+CNMI +CMGD +CNMA +CPMS Hcmgs Hcmgw
CMS Error List
Final result code Description
Final Result Codes
Initial Value
Initial Values of Command Parameters After MT Restart
Phone Number Type
Issue 01 Huawei Proprietary and Confidential 153
Abbreviation Full Spelling
Acronyms and Abbreviations
DCD
CTS
DCE
DCS
PRI
PPP
PRL
PUK