Specifications

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Table Of Contents

Chapter 1 – Introduction
- Document Scope
- Related References
Chapter 2 – AT Commands Overview
- Serial Interface Settings
- Overview
- Terminology
  - Command Types
  - AT Commands Types
- Command Format and Syntax
Chapter 3 - General Commands
- Attention AT
- Repeat Last Command A/
- Echo E
- Enable/Disable Individual Unsolicited Message Mask Bits +WUSLMSK
- Request PRI Version information +WPRI
Chapter 4 – Identification Commands
- Request Revision Identification +CGMR
- Hardware Version +WHWV
- Electronic Serial Number +CGSN
- Manufacturer Identification +CGMI
- Request Model Identification (Frequency Bands) +CGMM
- Request Product Serial Number +WMSN
Chapter 5 – Query Commands
- Capabilities List +GCAP
- Subscriber Number +CNUM
Chapter 6 – Global Configuration Commands
- Set Phone Functionality +CFUN
- Display Configuration &V
- Restore Factory Settings &F
- Save Configuration &W
- Reset to Default Configuration Z0
Chapter 7 – Status Commands
- General Indicator +WIND
  - +WIND General Indicator Unsolicited Message
- Report Mobile Equipment Errors +CMEE
- Cellular Result Codes +CRC
- Phone Activity Status +CPAS
- Non Volatile Memory Unsolicited Message +WNVM
Chapter 8 – Communication Commands
- Fixed DTE Rate +IPR
- DTE-DCE Local Flow Control +IFC
- Set DCD Signal &C
- Set DTR Signal &D
- Set DSR Signal &S
- V.42bis Data Compression +DS
- V.42bis Data Compression Report +DR
- Hang-Up 1x Data Command +WCHD
- Automatic Answer S0
- Line Termination Character S3
- Response Formatting Character S4
- Command Edit Character S5
- Connection Completion Timeout S7
- Carrier Detect Threshold S9
- Automatic Disconnect Delay S10
- DTMF Duration and Spacing S11
Chapter 9 – Call Control Commands
- Dial Command D
- Hang-Up Command H
- Answer a Call A
- Calling Line Identification Presentation +CLIP
  - Caller ID Presentation Unsolicited Response +CLIP
- Call Waiting Indication +CCWA
- Incoming Call +RING
- Set Voice Privacy Level +WPRV
  - Call Privacy Indication Unsolicited Response +WPRV
- Emergency Mode +WSOS
- Call Answered +WANS
- Call Connected +WCNT
- Call Ended +WEND
- Call Originated +WORG
- CPHS Command +CPHS
- Voice Mail Indicator +WVMI
  - Examples:
- List Current Call State +CLCC
- Call Forwarding +CCFC
- Send Flash to Base Station +WFSH
  - Flash Indication for +WFSH:
- Send DTMF Tones +VTS
Chapter 10 – Network Service Commands
- Serving System +CSS
- Set Rm Interface Protocol +CRM
- Signal Quality +CSQ
  - Signal Quality Unsolicited Response for +CSQ:
- Network Registration & Roaming +CREG
  - Network Registration & Roaming Unsolicited Response +CREG
- Set More Preferred Rescans +WTBMPRS
- Band Preference +WBND
- Service Indication +WSRV
- Roam Preference +WRMP
- Default Cell Band +WDCB
- Roaming Indication +WROM
- Enhanced Roaming Indication +WERI
- Cell Environment and RxLev Indication +CCED
Chapter 11 – Provisioning Control Commands
- Change NAM Selection +WNAM
  - Current NAM Change Unsolicited Response +WNAM
- Service Programming Code +WSPC
- Excess SPC Failures +WLCK
- Request PRL Version Information +WPRL
- Commit Changes +WCMT
- Set IMSI +WIMI
- Mobile Directory Number +WMDN
- Primary CDMA Channels +WPCC
- Secondary CDMA Channels +WSCC
- SID and NID +WSID
Chapter 12 – OTASP / OTAPA Indications
- Initial Programming Required +WOT0
- Programming In Progress +WOT1
- Programming Successful +WOT2
- Programming Unsuccessful +WOT3
- Commit Successful +WOTC
- SPL Unlocked +WOTS
- NAM Download OK +WOTN
- MDM Download OK +WOTM
- IMSI Download OK +WOTI
- PRL Download OK +WOTP
Chapter 13 – OMA / DM Control Commands
- Device Services Session +WDSS
- Device Services Error +WDSE
- Device Services Reply +WDSR
- Device Services Wireless +WDSW
- Device Services Indications +WDSI
- Device Services Configuration +WDSC
Chapter 14 – Short Message Service Control Commands
- Send Message +CMGS
- Read Message +CMGR
- List Message +CMGL
- Delete Message +CMGD
- Preferred Message Storage +CPMS
- Set SMS Compose Language and Encoding +WSCL
- New Message Indication +CNMI
- Incoming Message Directly Displayed +CMT
- Incoming Message Stored in Memory +CMTI
- SMS Status Report Indication Directly Displayed +CDS
  - SMS Status Report Codes:
- SMS Message Storage Full +WMGF
Chapter 15 – Audio Commands
- Audio Subsystem Overview
  - Tuning Audio
    - Analog
- Speaker & Microphone Selection +SPEAKER
- Microphone Gain Enable +MGE
- Microphone Gain +VGT
- Speaker Gain Control +VGR
- Digital Gain Transmit +WDGT
- Digital Gain Receive +WDGR
- Side Tone Modification +SIDET
- Echo Cancellation +ECHO
- Loudspeaker Volume Level +CLVL
- Initialize Voice Parameters +VIP
- Audio Loopback &T
Chapter 16 – Data Commands
- Quick Net Connect $QCQNC
- Set Data Service Option $QCSO
- R-SCH Selection $QCMIP
- MIP Selection $QCMIPP
- Current Active Profile $QCMIPEP
- Return Profile Information $QCMIPGETP
- Set NAI for Active Profile $QCMIPNAI
- $QCVAD= Sets or Reads the Mode for Answering Data Calls
Chapter 17 – TCP App AT Commands (For Non-UIP Builds)
- Configure TCP/IP +WIPCFG
- Bearer Configuration +WIPBR
- Bearer Status +WIPBR
- Service Creation +WIPCREATE
- Service Status Unsolicited Response 1 +WIPREADY
- Service Status Unsolicited Response 2 +WIPACCEPT
- Service Status Unsolicited Response 3 +WIPERROR
- Last Socket Error Query +WIPERR
- Socket Data Exchange +WIPDATA
- TCP/IP Service Option Handling +WIPOPT
- Closing a Service +WIPCLOSE
- Close Service Status +WIPPEERCLOSE
- Enable Relay Mode for SIP Dial-Up +WRLY
Chapter 18 – Sleep Commands (Not for UIP)
- 32kHz Sleep Mode +W32K
- Query Scan Sleep State +WSPS
- Close Service Status Unsolicited Response +WSPS
- Set CDMA Network Time Format +WNETTIMEFMT
- Read CDMA Network Time +WNETTIMEGET
Chapter 19 – Host Application Scenarios
- Introduction
- Set Up for Serial Communication
- Acquiring Cellular Service
- Call Processing
- SMS
- TCP Socket Examples
  - TCP Client Socket Connection
  - TCP Server Example
Chapter 20 – Effects of AT&W, ATZ, and AT&F
Chapter 21 – CDMA Terminology and Acronyms
Index

Chapter 15 – Audio Commands

92 Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide

Echo Cancellation +ECHO

Description: This command is used to enable, disable or configure the Echo Cancellation functions for voice

calls (in rooms, in cars, etc.). The +SPEAKER function automatically sets echo cancellation based

upon audio path choice and this command allows non-standard operation.

Syntax: AT+ECHO= <mode>

Command

Possible Responses

AT+ECHO?

Note: Read current settings

+ECHO: 0

AT+ECHO=0

Note: Set Echo Cancellation Off

AT+ECHO=1

Note: Set Echo Cancellation to Ear Seal

AT+ECHO=2

Note: Set Echo Cancellation to Headset

AT+ECHO=4

Note: Set Echo Cancellation to Handset

AT+ECHO=5

Note: Set Echo Cancellation to Default Path

AT+ECHO

Note Set to 5 (default)

AT+ECHO=?

Note: Test command

+ECHO: (0-5)

Note: Possible values

Values: <mode>

0 Vocoder Echo Cancellation Off

1 Ear Seal Echo Cancellation (default for Analog 1 path)

2 Head Set Echo Cancellation

3 Acoustic Echo Cancellation (AEC)

4 Speaker Echo Cancellation for car kit operation

5 Default Echo Cancellation for current path settings (default)

If no argument is supplied to the command, the default value is assumed. The configuration is

saved immediately. See the Audio Overview section for more information.

Loudspeaker Volume Level +CLVL

Description: This command sets the loudspeaker volume level of the audio path.

Syntax: AT+CLVL=<Level>

Command

Possible Responses

AT+CLVL

Note: Sets default value of 9

AT+CLVL=2

Note: Command valid

AT+CLVL?

Note: Interrogate value

+CLVL: 2

Note: Current value

AT+CLVL=?

Note: Test command

+CLVL: (0-12)

Note: Possible values