BenQ M22
GSM / GPRS Wireless Module
AT Command List
AT Command
Rev. 0.3.0
Jun 2004
COPYRIGHT BENQ Corporation
This document contains proprietary technical information which is the property of BenQ Corporation
and is issued in strict confidential and shall not be disclosed to others parties in whole or in parts
without written permission of BenQ Corporation
The documents contain information on a product, which is under development and is issued for
customer evaluation purposes only.
BENQ may make changes to product specifications at any time, without notice.
BenQ Corporation.
Networking & Communications BG
18 JiHu Road, Nei-Hu, Taipei 114, Taiwan, R.O.C.
Tel: +886-2-2799-8800
Fax: +886-2-2656-6399
http://www.benq.com
Contents
1. INTRODUCTION-------------------------------------------------------------------11
1.1 Introduction to Interface between TE and MS--------------------------------------------11
1.2 Initial the Test Environment--------------------------------------------------------------------14
1.3 How to Handle SMS messages ---------------------------------------------------------------14
2. IMPLEMENTED AT COMMANDS FOR MS --------------------------------20
2.1 Commands specified by GSM REC.27.07--------------------------------------------------20
2.1.1 General Commands --------------------------------------------------------------------------------------- 20
Request manufacturer identification +CGMI ----------------------------------------------------------------------------20
Request model identification +CGMM ------------------------------------------------------------------------------------20
Request revision identification +CGMR ----------------------------------------------------------------------------------21
Request product serial number identification +CGSN----------------------------------------------------------------21
Select TE character set +CSCS--------------------------------------------------------------------------------------------22
Request international mobile subscriber identity +CIMI--------------------------------------------------------------24
Multiplexing mode +CMUX --------------------------------------------------------------------------------------------------25
PCCA STD-101[17] select wireless network +WS46 -----------------------------------------------------------------29
2.1.2 Call control commands------------------------------------------------------------------------------------ 30
Select Type of Address +CSTA --------------------------------------------------------------------------------------------30
Call mode +CMOD-------------------------------------------------------------------------------------------------------------31
Hang up call +CHUP ----------------------------------------------------------------------------------------------------------31
Select bearer service type +CBST-----------------------------------------------------------------------------------------32
Radio link protocol +CRLP---------------------------------------------------------------------------------------------------33
Service reporting control +CR-----------------------------------------------------------------------------------------------34
Extended error report +CEER-----------------------------------------------------------------------------------------------36
Cellular result codes +CRC--------------------------------------------------------------------------------------------------36
Single numbering scheme +CSNS ----------------------------------------------------------------------------------------38
Dial command D ----------------------------------------------------------------------------------------------------------------39
2.1.3 Network service related commands ------------------------------------------------------------------- 40
Subscriber number +CNUM -------------------------------------------------------------------------------------------------40
Network registration +CREG ------------------------------------------------------------------------------------------------41
Operator selection +COPS --------------------------------------------------------------------------------------------------43
Facility Lock AT+CLCK -------------------------------------------------------------------------------------------------------45
©2004 BenQ Corporation. Confidential Property
M22 AT COMMAND LIST
Version: 0.3.0 – 2004/6/9
2
Change password +CPWD --------------------------------------------------------------------------------------------------48
Calling line identification presentation +CLIP ---------------------------------------------------------------------------48
Call line identification restriction +CLIR-----------------------------------------------------------------------------------50
Connected line identification presentation +COLP --------------------------------------------------------------------51
Closed user group +CCUG --------------------------------------------------------------------------------------------------53
Call forwarding service +CCFC ---------------------------------------------------------------------------------------------54
Call waiting service +CCWA-------------------------------------------------------------------------------------------------56
Short string procedure AT+CHLD ------------------------------------------------------------------------------------------59
Unstructured supplementary service data +CUSD --------------------------------------------------------------------61
Advice of Charge +CAOC ----------------------------------------------------------------------------------------------------62
Supplementary service notifications +CSSN ----------------------------------------------------------------------------63
Preferred PLMN list +CPOL -------------------------------------------------------------------------------------------------66
List current calls +CLCC ------------------------------------------------------------------------------------------------------67
Read operator names +COPN ----------------------------------------------------------------------------------------------69
Get neighbor cells +GNC -----------------------------------------------------------------------------------------------------70
2.1.4 Mobile control and status commands------------------------------------------------------------------70
Phone activity status +CPAS ------------------------------------------------------------------------------------------------70
Set phone functionality +CFUN ---------------------------------------------------------------------------------------------71
Enter PIN +CPIN----------------------------------------------------------------------------------------------------------------73
Battery charge +CBC ----------------------------------------------------------------------------------------------------------74
Signal quality +CSQ------------------------------------------------------------------------------------------------------------75
Restricted SIM access +CRSM ---------------------------------------------------------------------------------------------76
Ringer sound level and ringer type select +CRSL ---------------------------------------------------------------------78
Loudspeaker volume level +CLVL -----------------------------------------------------------------------------------------79
Mute +CMUT---------------------------------------------------------------------------------------------------------------------79
Accumulated call meter +CACM--------------------------------------------------------------------------------------------81
Accumulated call meter maximum +CAMM -----------------------------------------------------------------------------81
Price per unit and currency table +CPUC--------------------------------------------------------------------------------82
Call Meter maximum event +CCWE---------------------------------------------------------------------------------------83
Set Voice Mail Number +CSVM --------------------------------------------------------------------------------------------84
List all available AT commands +CLAC ----------------------------------------------------------------------------------85
2.1.5 Commands related with phonebook service ---------------------------------------------------------86
Select phonebook memory storage +CPBS-----------------------------------------------------------------------------86
Read phonebook entries +CPBR-------------------------------------------------------------------------------------------87
Find phonebook entries +CPBF --------------------------------------------------------------------------------------------89
Write phonebook entry +CPBW---------------------------------------------------------------------------------------------90
Report Mobile Equipment error +CMEE ----------------------------------------------------------------------------------91
2.1.6 Commands from TIA IS-101 -----------------------------------------------------------------------------92
©2004 BenQ Corporation. Confidential Property
M22 AT COMMAND LIST
Version: 0.3.0 – 2004/6/9
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Select mode +FCLASS -------------------------------------------------------------------------------------------------------92
DTMF and tone generation +VTS------------------------------------------------------------------------------------------94
Play DTMF tone +WDTMF---------------------------------------------------------------------------------------------------95
Receive gain selection +VGR-----------------------------------------------------------------------------------------------96
Transmit gain selection +VGT ----------------------------------------------------------------------------------------------96
2.2 Commands related to short message service -------------------------------------------98
2.2.1 General Configuration Commands------------------------------------------------------------------- 102
Select Message Service +CSMS ---------------------------------------------------------------------------------------- 102
Preferred Message Storage +CPMS------------------------------------------------------------------------------------ 103
Message Format +CMGF -------------------------------------------------------------------------------------------------- 104
2.2.2 Message Configuration Commands ----------------------------------------------------------------- 105
Service Centre Address +CSCA ----------------------------------------------------------------------------------------- 105
Set Text Mode Parameters +CSMP------------------------------------------------------------------------------------- 106
Show Text Mode Parameters +CSDH ---------------------------------------------------------------------------------- 107
Select Cell Broadcast Message Types +CSCB ---------------------------------------------------------------------- 108
Save Settings +CSAS------------------------------------------------------------------------------------------------------- 110
Restore Settings +CRES --------------------------------------------------------------------------------------------------- 111
2.2.3 Message Receiving and Reading Commands ---------------------------------------------------- 112
New Message Indications to TE +CNMI ------------------------------------------------------------------------------- 112
List Messages +CMGL------------------------------------------------------------------------------------------------------ 115
Read Message +CMGR ---------------------------------------------------------------------------------------------------- 117
NEW Message Acknowledgement to ME/TA +CNMA-------------------------------------------------------------- 118
2.2.4 Message Sending and Writing Commands -------------------------------------------------------- 119
Send Message +CMGS ---------------------------------------------------------------------------------------------------- 119
Send Message from Storage +CMSS ---------------------------------------------------------------------------------- 121
Write Message to Memory +CMGW------------------------------------------------------------------------------------- 122
Delete Message +CMGD--------------------------------------------------------------------------------------------------- 123
Send Command +CMGC--------------------------------------------------------------------------------------------------- 123
2.2.5 PDU Mode ------------------------------------------------------------------------------------------------- 124
List Message +CMGL ------------------------------------------------------------------------------------------------------- 124
Read Message +CMGR ---------------------------------------------------------------------------------------------------- 126
Send Message +CMGS ---------------------------------------------------------------------------------------------------- 127
Send Message from Storage +CMSS ---------------------------------------------------------------------------------- 128
Write Message to Memory +CMGW------------------------------------------------------------------------------------- 129
2.3 Commands specified by ITU-T Rec. V25ter as by GSM Rec. 07.07-------------- 129
2.3.1 Generic TA control commands------------------------------------------------------------------------ 129
Repeating a command line (A/)------------------------------------------------------------------------------------------- 129
©2004 BenQ Corporation. Confidential Property
M22 AT COMMAND LIST
Version: 0.3.0 – 2004/6/9
4
Reset to default configuration (Z)-----------------------------------------------------------------------------------------130
Set to factory-defined configuration (&F) -------------------------------------------------------------------------------131
Request identification information (I) ------------------------------------------------------------------------------------132
Request manufacturer identification (+GMI)---------------------------------------------------------------------------133
Request model identification (+GMM)-----------------------------------------------------------------------------------134
Request revision identification (+GMR)---------------------------------------------------------------------------------134
Request product serial number identification (+GSN) --------------------------------------------------------------135
Request complete capabilities list (+GCAP)---------------------------------------------------------------------------136
Command line termination character (S3) -----------------------------------------------------------------------------137
Response formatting character (S4)-------------------------------------------------------------------------------------138
Command line editing character (S5) -----------------------------------------------------------------------------------139
Command echo (E) ----------------------------------------------------------------------------------------------------------140
Result code suppression (Q) ----------------------------------------------------------------------------------------------141
DCE response format (V)---------------------------------------------------------------------------------------------------142
Result code selection and call progress monitoring control (X) --------------------------------------------------143
Circuit 109 (Received line signal detector) behavior (&C) ---------------------------------------------------------145
Circuit 108 (Data terminal ready) behavior (&D)----------------------------------------------------------------------145
Fixed DTE rate (+IPR)-------------------------------------------------------------------------------------------------------147
DTE-DCE character framing (+ICF) -------------------------------------------------------------------------------------148
DTE-DCE local flow control (+IFC)---------------------------------------------------------------------------------------150
DTE-DCE local rate reporting (+ILRR)----------------------------------------------------------------------------------151
2.3.2 Call Control commands and response -------------------------------------------------------------- 153
Dial (D) --------------------------------------------------------------------------------------------------------------------------153
Wait for dial tone (W) --------------------------------------------------------------------------------------------------------155
Select tone dialling (dial modifier) (T) -----------------------------------------------------------------------------------156
Select pulse dialing (dial modifier) (P)-----------------------------------------------------------------------------------156
Answer (A)----------------------------------------------------------------------------------------------------------------------157
Hook control (H)---------------------------------------------------------------------------------------------------------------158
Automatic answer (S0) ------------------------------------------------------------------------------------------------------159
Monitor speaker loudness (L)----------------------------------------------------------------------------------------------160
2.3.3 Data Compression commands ------------------------------------------------------------------------161
Data compression (DS) -----------------------------------------------------------------------------------------------------161
Data compression reporting (DR) ----------------------------------------------------------------------------------------162
2.4 Command specified by ITU-T Rec. T.32 --------------------------------------------------165
2.4.1 Action commands-----------------------------------------------------------------------------------------165
Send a page +FDT -----------------------------------------------------------------------------------------------------------165
Receive a page +FDR-------------------------------------------------------------------------------------------------------166
Terminate a session +FKS -------------------------------------------------------------------------------------------------167
©2004 BenQ Corporation. Confidential Property
M22 AT COMMAND LIST
Version: 0.3.0 – 2004/6/9
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