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
42 Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide
Call Ended +WEND
Description: This response indicates that a voice call or attempt to establish a voice call has ended.
Response
Syntax: +WEND: <reason>
Command
Possible Responses
ATD18005551212;
ATH
OK
+WORG:18005551212
+WCNT:3
OK
+WEND:29
Note: Call Ended with a normal release
ATD18005551212;
OK
+WORG:18005551212
+WEND:22
Note: Call failed because the signal faded.
Values: <reason>
0 Phone is offline
20 Phone is CDMA locked
21 Phone has no service
22 Call Faded/Dropped
23 Received Intercept from Base Station
24 Received Reorder from Base Station
25 Received a Release from Base Station (This is a normal call termination).
26 Service Option rejected by Base Station
27 Received Incoming Call
28 Received an alert stop from Base Station
29 Software ended the call (Normal release).
30 Received End Activation – OTASP calls only.
31 Internal Software aborted the origination/call.
32 Maximum Access probes exhausted (The modem failed to contact the Base Station)
33 Persistence test failure
34 RUIM not present
35 Origination already in progress
36 General Access Failure
37 Received retry order (IS-2000 only).
38 Concurrent service is not supported by base station.
39 No response received from base station.
40 Call rejected by the base station.
41 Concurrent services requested were not compatible.
42 Access is blocked by base station. (Release A only).
43 Traffic channel already available.
44 Call is ended due to Emergency call is flashed over this call.
45 CM is ending a GPS call in favor of a user call. (GPS_ONE only).
46 CM is ending a SMS call in favor of a user call.
47 CM is ending a DATA call in favor of an emergency call.










