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MC55
Siemens Cellular Engine
Version: 04.00
DocId: MC55_ATC_V04.00
AT Command Set
MC55 AT Command Set
MC55_ATC_V04.00 Page 2 of 475 3/17/06
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General Notes
Product is deemed accepted by recipient and is provided without interface to recipient’s products. The documen-
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product must be designed to be in accordance with the technical specifications provided in these guidelines. Fail-
ure to comply with any of the required procedures can result in malfunctions or serious discrepancies in results.
Furthermore, all safety instructions regarding the use of mobile technical systems, including GSM products,
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Copyright
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents and
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Copyright © Siemens AG 2006
Document Name:
MC55 AT Command Set
Version:
04.00
Date:
March 17, 2006
DocId:
MC55_ATC_V04.00
Status
Confidential / Released
MC55 AT Command Set
Contents
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1. Introduction............................................................................................................................................ 13
1.1 Scope of the document ................................................................................................................. 13
1.2 Related documents ....................................................................................................................... 14
1.3 Document conventions.................................................................................................................. 15
1.3.1 Quick reference table..................................................................................................... 15
1.3.2 Superscript notation for parameters and values ............................................................ 16
1.4 AT Command Syntax .................................................................................................................... 17
1.4.1 Using Parameters .......................................................................................................... 17
1.4.2 Combining AT commands on the same command line ................................................. 18
1.5 Supported character sets .............................................................................................................. 19
1.5.1 GSM alphabet tables and UCS2 character values ........................................................ 21
1.5.2 UCS2 and GSM data coding and conversion for SMS text mode ................................. 23
1.5.2.1 Implementing output of SIM data to Terminal (direction TA to TE) ................................ 23
1.5.2.2 Implementing input of Terminal data to SIM (direction TE to TA)................................... 24
1.6 Serial Interface Flow Control ......................................................................................................... 25
1.6.1 Software Flow Control (XON/OFF Handshake)............................................................. 25
1.6.2 Hardware Flow Control (RTS/CTS Handshake) ............................................................ 25
1.7 Unsolicited Result Code Presentation........................................................................................... 26
1.7.1 Communication between Customer Application and MC55 .......................................... 26
1.8 Common PCN Handset Specification (CPHS) .............................................................................. 27
1.9 Errors and Messages .................................................................................................................... 28
2. Configuration Commands..................................................................................................................... 29
2.1 AT&F Set all current parameters to manufacturer defaults ......................................................... 29
2.2 AT&V Display current configuration ............................................................................................30
2.2.1 AT&V responses............................................................................................................ 31
2.3 AT&W Stores current configuration to user defined profile ......................................................... 32
2.4 ATQ Set result code presentation mode ..................................................................................... 33
2.5 ATV Set result code format mode ...............................................................................................34
2.5.1 Verbose and numeric result codes ................................................................................ 34
2.6 ATX Set CONNECT result code format and call monitoring ....................................................... 35
2.7 ATZ Set all current parameters to user defined profile................................................................ 36
2.8 AT+CFUN Set phone functionality .............................................................................................. 37
2.8.1 Wake up the ME from SLEEP mode ............................................................................. 40
2.9 AT^SMSO Switch off mobile station............................................................................................ 42
2.10 AT+GCAP Request complete TA capabilities list........................................................................ 43
2.11 AT+CMEE Mobile Equipment Error Message Format ................................................................ 44
2.11.1 CME/CMS Error Code Overview ................................................................................... 45
2.12 AT+CSCS Select TE character set ............................................................................................. 49
2.13 AT^SCFG Extended Configuration Settings ............................................................................... 50
2.14 AT^SM20 Set M20 compatibility mode ....................................................................................... 59
3. Status Control Commands ................................................................................................................... 60
3.1 AT+CMER Mobile Equipment Event Reporting .......................................................................... 60
3.2 AT+CIND Indicator control .......................................................................................................... 62
3.3 AT^SIND Extended Indicator Control.......................................................................................... 65
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3.4 AT+CEER Extended Error Report............................................................................................... 71
3.4.1 Cause Location ID for the extended error report ........................................................... 72
3.4.2 GSM release cause for L3 Radio Resource (RR).......................................................... 73
3.4.3 SIEMENS release cause for L3 Radio Resource (RR).................................................. 73
3.4.4 GSM release cause for Mobility Management (MM) or Session Management (SM)..... 74
3.4.5 SIEMENS release cause for L3 Mobility Management (MM) ........................................ 75
3.4.6 GSM release cause for L3 Call Control (CC)................................................................. 75
3.4.7 SIEMENS release cause for L3 Call Control (CC)......................................................... 77
3.4.8 SIEMENS release cause for L3 Advice of Charge (AOC) ............................................. 77
3.4.9 GSM Release cause for Supplementary Service Call ................................................... 77
3.4.10 SIEMENS release cause for Call-related Supplementary Services (CRSS) ................. 79
3.4.11 SIEMENS release cause for Session Management (SM) ............................................. 80
3.4.12 GSM cause for L3 Protocol module or other local cause ............................................. 80
3.4.13 SIEMENS release cause for GPRS API ........................................................................ 80
3.4.14 SIEMENS release cause for PPP/IP-Stack ................................................................... 80
3.5 ATS18 Extended call release report............................................................................................81
3.6 AT+CPAS Mobile equipment activity status................................................................................ 83
3.7 AT+WS46 Select wireless network ............................................................................................. 84
4. Serial Interface Control Commands..................................................................................................... 85
4.1 AT\Q Flow control........................................................................................................................ 85
4.2 AT&C Set Data Carrier Detect (DCD) Line mode ....................................................................... 86
4.3 AT&D Set circuit Data Terminal Ready (DTR) function mode..................................................... 87
4.4 AT&S Set circuit Data Set Ready (DSR) function mode ............................................................. 88
4.5 ATE Enable command echo........................................................................................................ 89
4.6 AT+ILRR Set TE-TA local rate reporting..................................................................................... 90
4.7 AT+IPR Set fixed local rate ......................................................................................................... 92
4.7.1 Autobauding................................................................................................................... 93
4.8 AT+CMUX Enter multiplex mode ................................................................................................ 95
4.8.1 Restrictions on Multiplex mode...................................................................................... 96
4.8.2 Second serial interface ASC1........................................................................................ 98
5. Security Commands .............................................................................................................................. 99
5.1 AT+CPIN PIN Authentication ...................................................................................................... 99
5.1.1 What to do if PIN or password authentication fails? .................................................... 101
5.2 AT+CPIN2 PIN2 Authentication ................................................................................................ 103
5.3 AT^SPIC Display PIN counter...................................................................................................105
5.4 AT+CLCK Facility lock .............................................................................................................. 109
5.5 AT^SLCK Facility lock ............................................................................................................... 114
5.6 AT+CPWD Change Password .................................................................................................. 115
5.7 AT^SPWD Change Password................................................................................................... 119
6. Identification Commands.................................................................................................................... 120
6.1 ATI Display product identification information ........................................................................... 120
6.2 AT+CGMI Request manufacturer identification......................................................................... 121
6.3 AT+GMI Request manufacturer identification ........................................................................... 121
6.4 AT+CGMM Request model identification .................................................................................. 122
6.5 AT+GMM Request model identification..................................................................................... 122
6.6 AT+CGMR Request revision identification of software status................................................... 123
6.7 AT+GMR Request revision identification of software status ..................................................... 123
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6.8 AT+CGSN Request International Mobile Equipment Identity (IMEI)......................................... 124
6.9 AT+GSN Request International Mobile Equipment Identity (IMEI) ........................................... 124
6.10 AT+CIMI Request International Mobile Subscriber Identity (IMSI)............................................ 125
7. Call related Commands....................................................................................................................... 126
7.1 Call Status Information ................................................................................................................ 126
7.2 ATA Answer a call ..................................................................................................................... 127
7.3 ATD Mobile originated call to specified number........................................................................ 128
7.4 ATD><mem><n> Mobile originated call using specific memory and index number ................. 130
7.5 ATD><n> Mobile originated call from active memory using index number ............................... 132
7.6 ATD><str> Mobile originated call from active memory using corresponding field .................... 133
7.7 ATDI Mobile originated call to ISDN number............................................................................. 134
7.8 ATDL Redial last number used ................................................................................................. 135
7.9 ATH Disconnect existing connection......................................................................................... 136
7.10 AT+CHUP Hang up call ............................................................................................................ 137
7.11 ATS0 Set number of rings before automatically answering a call ............................................. 138
7.12 ATS6 Set pause before blind dialing ......................................................................................... 139
7.13 ATS7 Set number of seconds to wait for connection completion .............................................. 140
7.14 ATS8 Set number of seconds to wait for comma dialing modifier............................................. 141
7.15 ATS10 Set disconnect delay after indicating the absence of data carrier................................. 142
7.16 ATO Switch from command mode to data mode / PPP online mode........................................ 143
7.17 +++ Switch from data mode to command mode ....................................................................... 144
7.18 AT+CBST Select bearer service type ....................................................................................... 145
7.19 AT+CRLP Select radio link protocol parameters for originated non-transparent data calls ...... 146
7.20 AT+CLCC List current calls of ME ............................................................................................ 147
7.21 AT^SLCC Siemens defined command to list current calls of ME.............................................. 149
7.22 AT+CR Service reporting control ..............................................................................................155
7.23 AT+CRC Set Cellular Result Codes for incoming call indication .............................................. 156
7.24 AT+CSNS Single Numbering Scheme...................................................................................... 157
7.25 AT^SCNI List Call Number Information..................................................................................... 158
7.26 AT^SLCD Display Last Call Duration ........................................................................................ 159
7.27 AT^STCD Display Total Call Duration....................................................................................... 160
7.28 ATP Select pulse dialing ........................................................................................................... 161
7.29 ATT Select tone dialing ............................................................................................................. 161
8. Network Service Commands .............................................................................................................. 162
8.1 AT+COPN Read operator names ............................................................................................. 162
8.2 AT+COPS Operator Selection .................................................................................................. 163
8.3 AT^SOPS Extended Operator Selection................................................................................... 166
8.4 AT+CREG Network registration ................................................................................................ 168
8.5 AT+CSQ Signal quality ............................................................................................................. 171
8.6 AT^SMONC Cell Monitoring......................................................................................................172
8.7 AT^SMOND Cell Monitoring......................................................................................................174
8.8 AT^MONI Monitor idle mode and dedicated mode ................................................................... 177
8.8.1 AT^MONI responses.................................................................................................... 178
8.8.2 Service states .............................................................................................................. 179
8.9 AT^MONP Monitor neighbour cells ........................................................................................... 180
8.9.1 AT^MONP responses .................................................................................................. 181
8.10 AT^SMONG GPRS Monitor ...................................................................................................... 182
8.10.1 AT^SMONG Cell Info Table......................................................................................... 183
