Specifications
Table Of Contents
- Chapter 1 – Introduction
- Chapter 2 – AT Commands Overview
- Chapter 3 - General Commands
- Chapter 4 – Identification Commands
- Chapter 5 – Query Commands
- Chapter 6 – Global Configuration Commands
- Chapter 7 – Status Commands
- 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
- Call Waiting Indication +CCWA
- Incoming Call +RING
- Set Voice Privacy Level +WPRV
- Emergency Mode +WSOS
- Call Answered +WANS
- Call Connected +WCNT
- Call Ended +WEND
- Call Originated +WORG
- CPHS Command +CPHS
- Voice Mail Indicator +WVMI
- List Current Call State +CLCC
- Call Forwarding +CCFC
- Send Flash to Base Station +WFSH
- Send DTMF Tones +VTS
- Chapter 10 – Network Service Commands
- Serving System +CSS
- Set Rm Interface Protocol +CRM
- Signal Quality +CSQ
- Network Registration & Roaming +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
- Chapter 12 – OTASP / OTAPA Indications
- Chapter 13 – OMA / DM Control Commands
- 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 Message Storage Full +WMGF
- Chapter 15 – Audio Commands
- Audio Subsystem Overview
- 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
- 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)
- Chapter 19 – Host Application Scenarios
- Chapter 20 – Effects of AT&W, ATZ, and AT&F
- Chapter 21 – CDMA Terminology and Acronyms
- Index
Chapter 9 – Call Control Commands
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide 39
Set Voice Privacy Level +WPRV
Description: This command requests the CDMA voice privacy level. CDMA voice privacy is an optional feature
of CDMA networks. Therefore, voice privacy will only become enabled during a voice call if the
base station supports voice privacy; otherwise this feature is unavailable on your CDMA carrier.
This command enables a request from the modem to the base station for voice privacy. If voice
privacy is activated by the base station, the unsolicited response +WPRV: 1 will appear indicating
the long code PN mask for the traffic channel has been scrambled by the base station. This
command may be issued before or during a voice call.
Note: When voice privacy is enabled, an audible alert will be generated if the state of
voice privacy changes (loss or establishment).
Syntax: AT+WPRV=<voice privacy level>
Command
Possible Responses
AT+WPRV=0
Note: Set to normal voice call
OK
AT+WPRV=1
Note: Request a secure voice call
ATD18005551212;132-
OK
OK
+WORG: 18005551212
+WPRV: 1
+WCNT: 3
Note: Voice Privacy is now ON
AT+WPRV?
Note: Request current privacy setting
+WPRV: <voice privacy level>
OK
Note: <voice privacy level> defined below
Values: <voice privacy level>
0 normal privacy
1 enhanced privacy (Default)
Call Privacy Indication Unsolicited Response +WPRV
This response confirms that the call privacy level has changed during a call.
Response
Syntax: WPRV: <voice privacy level>
Result
Example 1: +WPRV: 0 Voice privacy level change to “normal privacy”
Result
Example 2: +WPRV: 1 Voice privacy level change to “enhanced privacy”
To receive +WPRV, +WORG, &+WCNT unsolicited responses, set the AT+WUSLMSK command to
enable the responses.