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