AT Commands For Cdma Wireless Modems Reference Guide
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AT Commands for Cdma Wireless Modems
Revision Level Date Description
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 Contents
 Call Control Commands
 Supplementary Services Commands
 Position Determination GPS AT Commands
 Provisioning AT Commands 124
 Reference Information 166
 AT Command Examples 171
 Table of Contents
 Related References
Scope of This Document
 Definitions
 PRL is loaded into the phone and is saved in NV-RAM
Power from the base stations the mobile sees
Format message is supported
Cdma revision of the mobile or base station
 Command Line
Line Settings
Information Responses and Result Codes
 Cell Broadcast Message Stored in Memory +CBMI
Cell Broadcast Message Directly Displayed +CBM
Cell Environment Description Indication +CCED
 Values Callerid
Call Waiting Indication +CCWA
SMS Status Report Indication Directly Displayed +CDS
SMS Status Report Indication Stored in Memory +CDSI
 Type
Key Press or Release +CKEV
Caller ID Presentation +CLIP
Incoming Message Directly Displayed +CMT
 Values stat
Mode Preference +COPS
Incoming Message Stored in Memory +CMTI
Registration & Roaming +CREG
 RxLev Indication +CSQ
Incoming Call +CRING
Incoming Call +RING
 Values Call type
Call Answered +WANS
Call Connected +WCNT
Call Ended +WEND
 ATH
Feature Notification Message +WFNM
Flash Indication +WFSH
Response syntax +WEND reason
 General Indicator +WIND
 Prv
Command syntax AT+WIND=IndLevel
Call Originated +WORG
Call Privacy Indication +WPRV
 Flag
Emergency Mode +WSOS
Roaming Indication +WROM
Roam
 Current NAM Change +WNAM
Voice Mail Indicator +WVMI
SMS Message Storage Full +WMGF
 State
Power Save +WSPS
Leaving power save Entering power save
Response Syntax +WSPS state
 Values Character Set
Request Revision Identification +CGMR
Electronic Serial Number +CGSN
Select TE Character Set +CSCS
 Phone Offline +CPOF
Repeat Last Command a
Request Imsi +CIMI
Capabilities List +GCAP
 AT+CFUN?
Command syntax AT+CFUN=functionality level
Set Phone Functionality +CFUN
Values Functionality level
 Keypad Control +CKPD
Report Mobile Equipment Errors +CMEE
Command syntax AT+CMEE=error reporting flag
Phone Activity Status +CPAS
 Ring Melody Playback +CRMP
Command syntax AT+CCLK=date and time string
Command syntax AT+CRMP=call type,volume,type,index
Clock Management +CCLK
 Values Sound level
Ringer Sound Level +CRSL
Subscriber Number +CNUM
Select Type of Address +CSTA
 AT+WTMR
View Modem Timers +WTMR
Command syntax AT+WMSN
Modem Serial Number +WMSN
 Command syntax ATDnb
Dial Command D
Direct Dial Syntax
 Phonebook Syntax
Hang-Up Command H
Command syntax ATDindex ATDmemname ATDmemindex
Command syntax ATH
 Answer a Call a
Extended Error Report +CEER
Command syntax ATA
Command syntax AT+CEER
 Dtmf Start and Stop Continuous +WSDT, +WSDS
Dtmf Signals +VTD, +VTS
 Automatic Dialing with DTR %Dn
Redial Last Telephone Number DL
Automatic Answer S0
 Incoming Call Bearer +CICB
Values Mode
Command syntax AT+CICB=mode
Command syntax AT+CSNS
 Microphone Gain +VGT
Volume Gain Control +VGR
 Speaker & Microphone Selection +SPEAKER
Microphone Mute Control +CMUT
Values ActiveSpkMic
 Val2
Echo Cancellation +ECHO
Side Tone Modification +SIDET
Values Val1
 AT+WTTY
TTY Mode +WTTY
Initialize Voice Parameters +VIP
AT+VIP
 AT+CSQ
Signal Quality +CSQ
Valid value ranges Represents an unknown signal quality
Automatic Cdma Only Cdma or Amps only Analog only
 Band
Band Preference +WBND
 Roaming on Affiliated networks, as defined in the PRL
Home Networks only, as defined in the PRL default value
Command syntax AT+WRMP=mode
Roam Preference +WRMP
 Stat
Network Registration & Roaming +CREG
 Read Current NAM +WCNM
Change NAM Selection +WNAM
Values Nam
 AT+WSOS=?
Command syntax AT+WSOS=flag
AT+WSOS=1 Error
AT+WSOS?
 Extended Roam Indication +WRMW
Suppress output of ERI indicators 64 through
Enable output of ERI indicators 64 through
Command syntax AT+WRMW=value
 Enter PIN +CPIN
SIM Card Operational Commands
 Enter PIN2 +CPIN2
Command syntax AT+CPINC Response syntax +CPINC n1,n2,k1,k2
PIN Remaining Attempt Number +CPINC
 AT+CLCK=AO,2
Facility Lock +CLCK
Passwd
AT+CLCK?
 Newpwd
Change Password +CPWD
Card Identification +CCID
Oldpwd
 Parameters Definition
 New Message Acknowledgement +CNMA
Select Message Service +CSMS
 Preferred Message Storage +CPMS
Show Text Mode Parameters +CSDH
 Bfr
New Message Indication +CNMI
 Oa/da
Read Message +CMGR
 AT+CMGR=1
AT+CMGR=2 +CMS Error AT+CPMS=SR+CNMI=,,,2
AT+CMSS=3
 Index Place of storage in memory
List Message +CMGL
Encoding Length Length of the text message in bytes
 Da Destination address value in string format
Send Message +CMGS
Cbn Call Back Number
 Send Message From Storage +CMSS
Write Message to Memory +CMGW
 DelFlag
Command syntax AT+CMGD=Index ,DelFlag
Delete Message +CMGD
Values index
 Message
Command syntax AT+CSCB=mode
Select Broadcast Messages +CSCB
Message Status Modification +WMSC
 Change SMS Status +WUSS
Message Overwriting +WMGO
 Enc
Set SMS Compose Language and Encoding +WSCL
Set Timestamp of MT SMS +WSTM
Values Lang
 Number The phone number to forward all calls to
Command e.g. ATD*72 Forwarded
Command syntax AT+CCFC= number
Call Forwarding +CCFC
 Calling Line Identification Presentation +CLIP
Calling Line Identification Restriction +CLIR
 AT+WFSH
Send Flash to Base Station +WFSH
 List Current Call State +CLCC
 Switch From Offline to Online Mode
Using AT Commands During a Data Connection
Select Mode +FCLASS
Switch From Online to Offline Mode
 Cellular Result Codes +CRC
Command syntax AT+CRC
Disables reporting of local port rate
Command syntax AT+ILRR=value
 V42 Bis Data Compression +DS
Command syntax AT+DS=dir,neg,P1,P2
AT+DS?
 V42 Bis Data Compression Report +DR
This syntax is for setting the +DR reporting method
Disable reporting Enable reporting
Command syntax AT+DR=val
 Values Format
Command syntax AT+ICF= format, parity
Fixed DTE Rate +IPR
DTE-DCE Character Framing +ICF
 DTE-DCE Local Flow Control +IFC
Set DCD Signal &C
 Result Code Suppression Q
Set DTR Signal &D
Set DSR Signal &S
Back to Online Mode O
 Values Num
DCE Response Format
Auto-Tests &T
Echo E
 Command syntax AT&V
Display Configuration &V
AT&V
 Request Identification Information
Restore Factory Setting &F
Save Configuration &W
Command syntax ATInum
 AT+CPBS=EN AT+CPBS?
Command syntax AT+CPBS=bk
Select Phonebook Memory Storage +CPBS
AT+CPBS=?
 Find Phonebook Entries +CPBF
Command syntax AT+CPBU?
Command syntax AT+CPBF=string
Return Selected Phonebook Locations +CPBU
 AT+CPIN2? Ruim PIN2
Write Phonebook Entry +CPBW
String
+CME Erro
 Phonebook Search +CPBP
Command syntax AT+CPBR=first,last
Command syntax AT+CPBP= phone number
Phonebook Read +CPBR
 Delete Calls From Phonebook +WDCP
Avoid Phonebook Init +WAIP
Values Call phonebook
 Session to provide the last position info available
This command sets and returns the PD session type
Command syntax AT+WPDST=type
Position Determination Session Type +WPDST
 Position Determination Data Download +WPDDD
Position Determination Operating Mode +WPDOM
Duration
 Values Level
Position Determination Privacy Level +WPDPL
Position Determination NV Privacy Level +WPPRV
Time
 DBM Data Burse Message
Position Determination Transport Setting +WPTLM
Values Setting
Command syntax AT+WPTLM=setting
 Performance
Values Service
Position Determination Start Session +WPDSS
Position Determination End Session +WPDES
 AT+WPDSS=P
Position Determination Start Session Result +WPDSS
AT+WPDSS=PV
 Values Port
Set IP Address of gpsOne Session +WPDIP
Set Port of gpsOne Session +WPDPT
Values Ipaddress
 Requested dump
Manufacturer Identification +WGMI
Request Model Identification +WGMM
Cell Environment and RxLev Indication +CCED
 Command syntax AT+CCED=mode, requested dump
 Mobile Equipment Event Reporting +CMER
Analog Digital Converters Measurements +ADC
 Value
Read Gpio Value +WIOR
Write Gpio Value +WIOW
Gpio to read
 AT+WTONE?
Play Tone +WTONE
AT+WTONE=0 AT+WTONE=?
 Hardware Version +WHWV
Play Dtmf Tone +WDTMF
Mode=1
 Status Request +WSTR
Select Voice Gain +WSVG
Values Path
 32kHz Sleep Mode +W32K
Ring Indicator Mode +WRIM
 Values Melody
Change Default Melody +WCDM
Default
Software Version +WSSW
 Custom Character Set +WCCS
Command syntax AT+WCCS=mode,table,char 1,char
 Status
Cphs Command +CPHS
Change Default Player +WCDP
FctId
 Set Standard Tone +WSST
Reset +WRST
 Values Voice privacy level
Normal default Private
Command syntax AT+WPRV=voice privacy level
Set Voice Privacy Level +WPRV
 Current val & new val
Command syntax AT+WPIN=mode,current val,new val
AT+CSQ? +CME Error
Security PIN +WPIN
 Minute Alert +WMBP
Request PRL Version Information +WPRL
Interval
 Bit 2 bit7 Reserved Syntax
Configure LED Indicator +CLED
Values Bitmap value
Bit
 Keypad disabled Keypad enabled
Keypad Enable/Disable +WPAD
Command syntax AT+WPAD=mode
 Profile Download
Overview of SIM Application ToolKit
Summary
Functionality
 Call control by SIM
Messages Exchanged During a SIM ToolKit Operation
Data Download to SIM
Menu Selection
 113
 Autoresponse
Config
Timeout
SIM ToolKit Set Facilities +STSF
 SIM ToolKit Indication +STIN
Error Codes
Unsolicited Result
 AT+STGI=0
AT+STIN? +CME Error
Last SIM Toolkit Indication
AT+STIN?
 +STGI
Command syntax +STGI=Cmd
SIM ToolKit Get Information +STGI
+STGI=?
 Alpha Idx Label
Alpha Identifier menu
Idx 1
NbItems 1
 Class
DefaultItem 1
CalledNb
SubAdress
 Evt
Values when Cmd=11 Setup Event List
Error Codes
Unsolicited Result SIM ToolKit Control Response +STCR
 Values CmdType
SIM ToolKit Give Response +STGR
 Indication +STIN has not been received
Values when CmdType=4 Setup call
Possible Error Codes
Detected
 +STGR=?
Command syntax +STGR=CmdType,Result,Data
 Code
Service Programming Code +WSPC
Mobile Directory Number +WMDN
Values Lock type
 NID number
Set Imsi +WIMI
SID and NID +WSID
SID number
 Secondary Browser Gateway +WBGS
Access Overload Class +WAOC
Slot Cycle Index +WSCI
Primary Browser Gateway +WBGP
 Primary Cdma Channels +WPCC
Packet Dial String +WPDS
Secondary Cdma Channels +WSCC
 Home page SO 0 IS96A
Service Option Management +WSOM
Values enable
Commit Changes +WCMT
 Read SID/NID Entries +WSNR
Command syntax AT+WSNR=index
Location in SID/NID list to read
 Error AT+WPDS?
Service Programming Example
AT+WSCI=1 AT+WCMT=0
 Reset to Default Configuration Z0
Remote Async/Fax Command
Select Tone Dialing T
 Basic S-Registers SX
Command syntax ATP
Command syntax ATSn=value
Select Pulse Dialing P
 Values Breakselection
Error Control Operation +EB
Defaultlength
Numeric Parameter Control +EFCS
 Origfbk
Error Control Report +ER
Error Control Selection +ES
Values Origrqst
 Values PendingTD
Error Control Selection +ESR
Error Control Selection +ETBM
Timer
 Request Manufacture Identification +GMM
Request Manufacture Identification +GMI
Request Revision Identification +GMR
 Request Global Object Identification +GOI
Request Product Serial Number Identification +GSN
Modulation Selection +MS
 Modulation Reporting Control +MR
Modulation Automode Control +MA
Reporting Control +MV18R
 Dfltansmode
Fbktimeenable
Selection +MV18S
Cellular Extension +CXT
 Query Service +CAD
Configuration String +CFG
Um Interface Data Compression Reporting +CDR
 Set Rm Interface Protocol +CRM
Command syntax AT+CDS=Val
Command syntax AT+CRM=Val
Um Interface Data Compression +CDS
 Command syntax AT+CMIP
Battery Charge +CBC
Command State Inactivity Timer +CQD
Command syntax AT+CQD=val
 AT+CBIP?
Command syntax AT+CBIP
AT+CBIP? Error
Base Station IP Address +CBIP
 Values Class
Serving System +CSS
PA PF PCS
 Um Interface Fax Compression +CFC
Command syntax AT+CMUX=n
Command syntax AT+CFC=Val
Select Multiplex Option +CMUX
 IWF Content List +CGCAP
Dial Command for Voice Calls +CDV
Hang-up Voice +CHV
 IWF Device Identification +CGOI
Um Packet Data Inactivity Timer +CTA
Command syntax AT+CGOI
Command syntax AT+CTA=val
 IS-707.3 Fax Parameters
 IS-707.3 Fax Action Commands
 Quick Net Connect $QCQNC
Transition to Diagnostics Monitor $QCDMG
Command syntax AT$QCDMG
Command syntax AT$QCQNC=Val
 Values Number
Protocol Revision in Use $QCPREV
Originate M-to-M Packet Data Call $QCMTOM
Dump RLP Protocol Statistics $QCRLPD
 Dump IP Protocol Statistics $QCIPD
Reset RLP Protocol Statistics $QCRLPR
Reset PPP Protocol Statistics $QCPPPR
Dump PPP Protocol Statistics $QCPPPD
 Dump TCP Protocol Statistics $QCTCPD
Reset IP Protocol Statistics $QCIPR
Reset UDP Protocol Statistics $QCUDPR
Dump UDP Protocol Statistics $QCUDPD
 Set Data Service Option $QCSO
Reset TCP Protocol Statistics $QCTCPR
Clear Mobile Error Log $QCCLR
 Answer Incoming Voice Call $QCCAV
Pre-arrangement Setting $QCVAD
Automatic Packet Detection $QCPKND
 Set Medium Data Rate $QCMDR
Command syntax AT$QCMDR=Val
Command syntax AT$QCRL3D
Set DM Baud Rate $QCDMR
 SCRM’ing Selection $QCSCRM
Reset RLP 3 Protocol Statistics $QCRL3R
SCH Selection $QCTRTL
 AT$QCMIP=0
Command syntax AT$QCMIP=Val
SCH Selection $QCMIP
AT$QCMIP? AT$QCMIP=?
 RFC2002bis Selection $QCMIPT
MIP Selection $QCMIPP
Current Active Profile $QCMIPEP
 Return Profile Information $QCMIPGETP
Command syntax AT$QCMIPGETP=Val
String The network access identifier text to be stored
Command syntax AT$QCMIPNAI=String,Val
 Set MN-AAA Shared Secrets $QCMIPMASS
Set Reverse Tunneling $QCMIPRT
 Set MN-AAA Shared Secrets $QCMIPMASSX
Set MN-HA Shared Secrets $QCMIPMHSS
 Set MN-AAA Shared Secrets $QCMIPMASPI
Command syntax AT$QCMIPMHSSX =HEX,Val
Command syntax AT$QCMIPMASPI =SPI,Val
Set MN-HA Shared Secrets $QCMIPMHSSX
 Set Primary HA IP Address $QCMIPPHA
Command syntax AT$QCMIPMHSPI =SPI,Val
Command syntax AT$QCMIPPHA =IP,Val
Set MN-HA Shared Secrets $QCMIPMHSPI
 Set Home HA IP Address $QCMIPHA
Command syntax AT$QCMIPSHA =IP,Val
Command syntax AT$QCMIPHA =IP,Val
Set Secondary HA IP Address $QCMIPSHA
 MS Error Result Code +CME Error error
 Final Result Codes
Message Service Failure Result Code +CMS Error error
Specific Error Result Codes
Extended Error Report +CEER Call Processing Codes
 Parameters Storage
Intermediate Result Codes
 Code Meaning
Codes for SMS-STATUS-REPORT +CDS and +CMGR
 AT Commands for Amps Operation
AT Commands Supported When SIM Card Removed
 Example with Incoming Calls
Example 1 When the MS Has Already Been Powered On
Examples Where a Voice Call is Originated
Example When the MS is powered on
 Example 2 Send a Short Message
Example of a Call Waiting Situation
Examples About Short Messages
Example 1 Receive a Short Message
 AT+WSCL=6,4
Example 3 Read Short Messages
 Mr Message Reference
Ind Message type indicator
Status report
MO delivery acknowledge message
 Roaming Indication +WROM Chapter
Incoming Message Directly Displayed +CMT Chapter
 Enhanced Roaming Indication +WERI
 AT+WSOS +WSOS0 AT+COPS=0,0
Emergency Mode +WSOS Chapter
 Only if the message privacy value is 0 Normal
Read message +CMGR Chapter
 179
 Encod,lengthCRLFdata for SMS-DELIVER and SMS-SUBMIT, may be
Command syntax AT+CMGL=stat
List Message +CMGL Chapter
Response syntax +CMGL index,stat,da/oa,lang
 Reply Message reply option
Send Message +CMGS Chapter
No Acknowledge
 Cbn CR entered text ctrl-Z / ESC
Write Message to Memory +CMGW Chapter
 Verizon. System Selection +WVSS
Service Programming Code +WSPC Chapter
Syntax +WVSS pref
 Programming Unsuccessful +WOT3
Initial Programming Required +WOT0
Programming In Progress +WOT1
Programming Successful +WOT2
 MSI Download Ok +WOTI
SPL Unlocked +WOTS
NAM Download Ok +WOTN
MDM Download Ok +WOTM
 AT+WPLCK=?
Command syntax AT+WPLCK=level
Excess SPC Failures +WLCK
Position Determination Lock Level +WPLCK
 Response Syntax
+CDS ind, mr, ra, tora, scts, dt, st Text mode
 AT+CSQ
 AT+CLCK=AO,9
Allow data calls Barr data calls Query status
Use any four digit value. e.g
Syntax for Facility Lock
 190
 Channel
No service 800 MHz 1900 MHz
 Packet Zone Identifier +PZID
Boot URL +WBURL
Trusted Domain +WTDMN
 Wiota Connection Control +WIOTA
Proxy Address +WDPXY
Sprint. System Selection +WSSS
 Please Retry +WOAR
Iota Error +WOAE
Preparing Data Services +WOAP
Command syntax +WSUM?
 Command syntax +WRMM
Reset MIN and MDN to factory defaults +WRMM
AT+WRMM