Telit Wireless Solutions ME910C1-AU Reference guide

Type
Reference guide
ME910C1
AT Commands Reference Guide
80529ST10815A
Rev.2-2017-09-14
AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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APPLICABILITY TABLE
PRODUCT
ME910C1-NA
ME910C1-NV
ME910C1-E1
ME910C1-AU
ME910C1-J1
ME910C1-K1
ME910C1-N1
ME910C1-E2
ME910C1-WW
NE910C1-E1
AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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Contents
1 Introduction ...................................................................................................................................................................... 10
1.1 Scope.....................................................................................................................................10
1.2 Audience................................................................................................................................10
1.3 Contact Information, Support..............................................................................................10
1.4 Document Organization........................................................................................................11
1.5 Text Conventions..................................................................................................................11
1.6 Related Documents...............................................................................................................11
1.7 Document History.................................................................................................................12
2 Overview 13
2.1 About the document..............................................................................................................13
3 AT COMMANDS ............................................................................................................................................................. 14
3.1 Definitions.............................................................................................................................14
3.2 AT Command Syntax............................................................................................................14
String Type Parameters.......................................................................................................................................15
Command Lines..................................................................................................................................................15
ME Error Result Code - +CME ERROR: <err>...................................................................................................18
Message Service Failure Result Code - .............................................................................................. 20
+CMS ERROR: <err> ............................................................................................................................... 20
Information Responses and Result Codes............................................................................................................21
Command Response Time-Out............................................................................................................................22
Command Issuing Timing...................................................................................................................................23
3.3 Storage..................................................................................................................................24
Factory Profile and User Profiles.........................................................................................................................24
3.4 AT Commands References....................................................................................................26
3.4.1 Command Line General Format....................................................................................................26
3.4.1 Command Line Prefixes .................................................................................................................... 26
Starting a Command Line - AT ....................................................................................................... 26
Last Command Automatic Repetition - A/ ...................................................................................... 26
Hayes Compliant AT Commands........................................................................................................................27
Generic Modem Control .................................................................................................................. 27
Set To Factory-Defined Configuration - &F ................................................................................... 27
Soft Reset - Z .................................................................................................................................... 27
Default Reset Full Profile Designation - &P ................................................................................... 27
Manufacturer Identification - +GMI ................................................................................................ 28
Model Identification - +GMM ......................................................................................................... 28
Revision Identification - +GMR ...................................................................................................... 28
Serial Number - +GSN ..................................................................................................................... 28
Display Current Base Configuration and Profile - &V ................................................................... 29
DTE - Modem Interface Control ....................................................................................................... 29
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Command Echo - E .......................................................................................................................... 29
Quiet Result Codes - Q .................................................................................................................... 29
Response Format - V ........................................................................................................................ 30
Identification Information - I ........................................................................................................... 31
Data Carrier Detect (DCD) Control - &C ....................................................................................... 3 1
Data Terminal Ready (DTR) Control - &D .................................................................................... 31
Flow Control - &K ........................................................................................................................... 32
Fixed DTE Interface Rate - +IPR .................................................................................................... 32
DTE-Modem Local Flow Control - +IFC ....................................................................................... 33
DTE-Modem Character Framing - +ICF ......................................................................................... 34
Call Control ................................................................................................................................... 34
Dial - D ............................................................................................................................................. 34
S Parameters .................................................................................................................................. 37
Number of Rings to Auto Answer - S0 ........................................................................................... 38
Command Line Termination Character - S3 ................................................................................... 39
Response Formatting Character - S4 ............................................................................................... 39
Command Line Editing Character - S5 ........................................................................................... 39
3GPP TS 27.007 AT Commands.........................................................................................................................40
General .......................................................................................................................................... 40
Request Manufacturer Identification - +CGMI ............................................................................... 40
Request Model Identification - +CGMM ........................................................................................ 40
Request Revision Identification - +CGMR ..................................................................................... 40
Request Product Serial Number Identification - +CGSN
.................................................................... 40
Select TE Character Set - +CSCS .................................................................................................... 41
Request International Mobile Subscriber Identity (IMSI) - +CIMI................................................ 42
Read ICCID (Integrated Circuit Card Identification) - #CCID ...................................................... 42
Serial and Software Version Number - +IMEISV .......................................................................... 42
PCCA STD-101 Select Wireless Network - +WS46 ...................................................................... 43
Network Service Handling ............................................................................................................... 43
Subscriber Number - +CNUM ......................................................................................................... 43
Read Operator Names - +COPN ...................................................................................................... 44
Operator Selection - +COPS ............................................................................................................ 44
Facility Lock/Unlock - +CLCK ....................................................................................................... 45
Change Facility Password - +CPWD .............................................................................................. 47
Preferred Operator List - +CPOL .................................................................................................... 48
Selection of preferred PLMN list - +CPLS ..................................................................................... 4 9
Mobile Equipment Control .............................................................................................................. 50
Set Phone Functionality - +CFUN ................................................................................................... 50
Enter PIN - +CPIN ........................................................................................................................... 51
Signal Quality - +CSQ ..................................................................................................................... 53
Extended Signal Quality - +CESQ ................................................................................................. 54
Mobile Equipment Event Reporting - +CMER ............................................................................... 56
Clock Management - +CCLK .......................................................................................................... 57
Restricted SIM Access - +CRSM .................................................................................................... 58
Available AT Commands - +CLAC ................................................................................................ 6 0
Mobile Equipment Errors ................................................................................................................ 60
Report Mobile Equipment Error - +CMEE ..................................................................................... 60
Commands for GPRS ...................................................................................................................... 62
GPRS Attach or Detach - +CGATT ................................................................................................ 62
GPRS Event Reporting - +CGEREP ............................................................................................... 6 2
GPRS Network Registration Status - +CGREG .............................................................................. 64
Printing IP Address Format - +CGPIAF ......................................................................................... 6 6
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Define PDP Context - +CGDCONT ............................................................................................... 67
Define Secondary PDP Context - +CGDSCONT ........................................................................... 68
PDP Context Activate Or Deactivate - +CGACT ........................................................................... 69
PDP Context Modify - +CGCMOD ................................................................................................ 70
Show PDP Address - +CGPADDR ................................................................................................. 71
Set mode of operation for EPS - +CEMODE .................................................................................. 71
3GPP TS 27.005 AT Commands for SMS and CBS............................................................................................73
General Configuration ..................................................................................................................... 73
Select Message Service - +CSMS ................................................................................................... 73
Preferred Message Storage - +CPMS .............................................................................................. 74
Message Format - +CMGF .............................................................................................................. 75
Message Configuration .................................................................................................................... 75
Service Center Address - +CSCA .................................................................................................... 75
EPS – Network Registarion Status - +CEREG ............................................................................... 76
PDP Context Read Dynamic Parameters +CGCONTRDP ............................................................. 78
Secondary PDP Context Read Dynamic Parameters - +CGSCONTRDP ..................................... 80
Set Text Mode Parameters - +CSMP .............................................................................................. 81
Show Text Mode Parameters - +CSDH .......................................................................................... 81
Save Settings - +CSAS .................................................................................................................... 82
Restore Settings - +CRES ................................................................................................................ 82
Message Receiving and Reading ...................................................................................................... 83
New Message Indications to Terminal Equipment - +CNMI ......................................................... 83
List Messages - +CMGL .................................................................................................................. 87
Read Message - +CMGR ................................................................................................................. 89
Message Sending and Writing .......................................................................................................... 91
Send Message - +CMGS .................................................................................................................. 91
Write Message to Memory - +CMGW ............................................................................................ 94
Delete Message - +CMGD .............................................................................................................. 97
PSM and eDRX Commands................................................................................................................................99
PSM AT Commands ....................................................................................................................... 99
Power Saving Mode Setting - +CPSMS .......................................................................................... 99
eDRX AT Commands ................................................................................................................... 101
eDRX setting - +CEDRXS ............................................................................................................ 101
eDRX read dynamic parameters - +CEDRXRDP ......................................................................... 103
Custom AT Commands.....................................................................................................................................104
Configuration AT Commands ........................................................................................................ 104
Manufacturer Identification - #CGMI ........................................................................................... 104
Model Identification - #CGMM .................................................................................................... 104
Revision Identification - #CGMR ................................................................................................. 104
Product Serial Number Identification - #CGSN ............................................................................ 105
International Mobile Subscriber Identity (IMSI) - #CIMI ............................................................ 106
Display PIN Counter - #PCT ......................................................................................................... 106
Software ShutDown - #SHDN ....................................................................................................... 107
Rebbots the unit - #REBOOT ........................................................................................................ 107
Periodic Reset - #ENHRST ........................................................................................................... 107
General Purpose Input/Output Pin Control - #GPIO .................................................................... 108
Read Analog/Digital Converter Input - #ADC .............................................................................. 111
Battery and Charger Status - #CBC ............................................................................................... 112
V24 Output Pins Configuration - #V24CFG ................................................................................. 112
V24 Output Pins Control - #V24 ................................................................................................... 113
Cell Monitor - #MONI ................................................................................................................... 113
Packet Service Network Type - #PSNT ........................................................................................ 116
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Read Current Network Status in 3G Network - #RFSTS ............................................................. 118
Temperature Monitor- #TEMPMON ............................................................................................ 122
Temperature Monitor CONFIGURATION - #TEMPCFG........................................................... 123
Wake from Alarm Mode - #WAKE .............................................................................................. 127
AlARM PIN - #ALARMPIN ......................................................................................................... 127
Serving Cell Information - #SERVINFO ...................................................................................... 128
Query SIM Status - #QSS .............................................................................................................. 129
Network Timezone - #NITZ .......................................................................................................... 130
Clock Mode - #CCLKMODE ........................................................................................................ 131
Calculate and update date and time - #NTP .................................................................................. 133
Alarm Management - +CALA ....................................................................................................... 134
Delete Alarm - +CALD ................................................................................................................. 136
Generic SIM access - +CSIM ........................................................................................................ 136
Select Band - #BND ....................................................................................................................... 139
Skip Escape Sequence - #SKIPESC .............................................................................................. 1 4 1
PPP-GPRS Connection Authentication Type - #GAUTH ............................................................ 141
SIM Detection Mode-#SIMDET ................................................................................................... 1 4 2
Write to I2C - #I2CWR .................................................................................................................. 142
Read to I2C - #I2CRD ................................................................................................................... 143
Enable Test Mode command in not signalling mode - #TESTMODE ......................................... 144
Update PLMN List - #PLMNUPDATE ........................................................................................ 146
Select IoT technology - #WS46 ..................................................................................................... 147
Set Active Firmware Image - #FWSWITCH ................................................................................ 147
Multisocket AT Commands ........................................................................................................... 148
Socket Status - #SS ........................................................................................................................ 148
Socket Info - #SI ............................................................................................................................ 148
Socket Type - #ST .......................................................................................................................... 150
Context Activation - #SGACT ...................................................................................................... 150
Socket Shutdown - #SH ................................................................................................................. 152
Socket Configuration - #SCFG ...................................................................................................... 152
Context activation configuration extended - #SGACTCFGEXT ................................................. 153
PAD forward character - #PADFWD ............................................................................................ 154
PAD command features - #PADCMD .......................................................................................... 155
Socket Configuration Extended - #SCFGEXT ............................................................................. 155
Socket Configuration Extended 2 - #SCFGEXT2 ........................................................................ 157
Socket Configuration Extended 3 - #SCFGEXT3 ........................................................................ 159
Socket Dial - #SD ........................................................................................................................... 160
Socket Accept - #SA ...................................................................................................................... 161
Socket Restore - #SO ..................................................................................................................... 162
Socket Listen - #SL ........................................................................................................................ 162
Detect the Cause of a Socket disconnection - #SLASTCLOSURE ............................................. 163
Socket Listen UDP - #SLUDP ....................................................................................................... 164
Receive Data in Command Mode - #SRECV ............................................................................... 165
Send UDP data to a specific remote host - #SSENDUDP ............................................................ 167
Send UDP data to a specific remote host extended - #SSENDUDPEXT .................................... 168
Send Data in Command Mode - #SSEND .................................................................................... 168
Send data in Command Mode extended - #SSENDEXT .............................................................. 169
Context Activation and Configuration - #SGACTCFG ................................................................ 171
SSL Commands ............................................................................................................................ 172
Enable a SSL socket - #SSLEN ..................................................................................................... 172
Opens a socket SSL to a remote server - #SSLD .......................................................................... 173
Send data through a SSL socket - #SSLSEND ............................................................................. 174
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Read data from a SSL socket - #SSLRECV .................................................................................. 176
Report the status of a SSL socket - #SSLS .................................................................................... 1 7 7
Close a SSL socket - #SSLH ......................................................................................................... 177
Restore a SSL socket after a +++ - #SSLO ................................................................................... 178
Configure general parameters of a SSL socket - #SSLCFG ......................................................... 179
Configure security parameters of a SSL socket – #SSLSECCFG ................................................ 179
Manage the security data - #SSLSECDATA ................................................................................ 180
FTP AT Commands ...................................................................................................................... 182
FTP Time – Out - #FTPTO ............................................................................................................ 182
FTP Open - #FTPOPEN ................................................................................................................ 182
FTP Close - # FTPCLOSE ............................................................................................................. 183
FTP Config - #FTPCFG ................................................................................................................. 183
FTP Put - #FTPPUT ....................................................................................................................... 184
FTP Get - #FTPGET ...................................................................................................................... 184
FTP Get in command mode - #FTPGETPKT ............................................................................... 185
FTP Type - #FTPTYPE ................................................................................................................. 185
FTP Delete - #FTPDELE ............................................................................................................... 186
FTP Print Working Directory - #FTPPWD ................................................................................... 186
FTP Change Working Directory - #FTPCWD .............................................................................. 186
FTP List - #FTPLIST ..................................................................................................................... 187
Get file size from FTP - #FTPFSIZE ............................................................................................. 187
FTP Append - #FTPAPP................................................................................................................ 187
Set restart position for FTP GET - #FTPREST ............................................................................. 188
Receive Data In Command Mode - #FTPRECV ........................................................................... 189
FTP Append Extended - #FTPAPPEXT ....................................................................................... 190
FTP Read Message - #FTPMSG.................................................................................................... 1 9 2
AT Commands ............................................................................................................................. 192
Query DNS - #QDNS .................................................................................................................... 192
DNS Response Caching - #CACHEDNS ...................................................................................... 193
Manual DNS Selection - #DNS ..................................................................................................... 193
Socket Listen Ring - #E2SLRI ...................................................................................................... 194
Firewall Setup - #FRWL ................................................................................................................ 195
GPRS Data Volume - #GDATAVOL ........................................................................................... 196
DNS from Network - #NWDNS .................................................................................................... 1 9 7
Easy Scan® Extension AT Commands ............................................................................................ 198
Network survey - #CSURV ........................................................................................................... 198
Network Survey (Numeric Format) - #CSURVC ......................................................................... 202
Network Survey Format - #CSURVF ........................................................................................... 205
<CR><LF> Removing On Easy Scan® Commands Family -#CSURVNLF .............................. 206
Extended network survey - #CSURVEXT .................................................................................... 206
HTTP AT COMMANDS ............................................................................................................... 207
Configure HTTP parameters - #HTTPCFG .................................................................................. 207
Send HTTP GET, HEAD or DELETE request - #HTTPQRY ..................................................... 208
Send HTTP POST or PUT request - #HTTPSND ........................................................................ 210
Receive HTTP server data - #HTTPRCV ..................................................................................... 212
GPS AT Commands Set ................................................................................................................ 213
GPS Power Management - $GPSP ................................................................................................ 213
GPS Module Reset - $GPSR ......................................................................................................... 213
Get Acquired Position - $GPSACP ............................................................................................... 214
Unsolicited NMEA Data Configuration - $GPSNMUN ............................................................... 216
Save GPS Parameters Configuration - $GPSSAV ........................................................................ 217
Restore to Default GPS Parameters - $GPSRST ........................................................................... 217
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GPS Antenna Supply Voltage Readout - $GPSAV ...................................................................... 218
GPS Antenna Type Definition - $GPSAT ..................................................................................... 218
Set the GNSS (or GLONASS) Capability - $GPSGLO ................................................................ 218
Unsolicited NMEA Extended Data Configuration - $GPSNMUNEX ......................................... 219
GPS Quality of Service - $GPSQOS ............................................................................................. 2 2 0
GPS Start Location Service Request-$GPSSLSR ......................................................................... 221
GPS Stop Location Service Request - $GPSSTOP ....................................................................... 224
Update SLP address - $SLP ........................................................................................................... 224
Update SLP address - $LCSSLP ................................................................................................... 225
Update SLP address type - $SLPTYPE ......................................................................................... 225
Set the User Plane Secure Transport - $SUPLSEC ....................................................................... 226
Configure SUPL TLS and Hash - $SUPLCFG ............................................................................. 226
Set the version of supported SUPL - $SUPLV ............................................................................. 227
Update location information - $LCSLUI ....................................................................................... 227
Update terminal information - $LCSTER ..................................................................................... 227
Enable/Disable unsolicited response - $LICLS ............................................................................. 228
LCS certificate - $LTC .................................................................................................................. 229
Lock context for LCS use - $LCSLK ............................................................................................ 2 2 9
Clear GPS Data - $GPSCLRX ....................................................................................................... 230
3.5 AT parser abort...................................................................................................................231
4 List of acronyms ............................................................................................................................................................. 232
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DISCLAIMER
The information contained in this document is the proprietary information of Telit Communications S.p.A. and its
affiliates (“TELIT”).
The contents are confidential and any disclosure to persons other than the officers, employees, agents or subcontractors
of the owner or licensee of this document, without the prior written consent of Telit, is strictly prohibited.
Telit makes every effort to ensure the quality of the information it makes available. Notwithstanding the foregoing, Telit
does not make any warranty as to the information contained herein, and does not accept any liability for any injury, loss
or damage of any kind incurred by use of or reliance upon the information.
Telit disclaims any and all responsibility for the application of the devices characterized in this document, and notes that
the application of the device must comply with the safety standards of the applicable country, and where applicable,
with the relevant wiring rules.
Telit reserves the right to make modifications, additions and deletions to this document due to typographical errors,
inaccurate information, or improvements to programs and/or equipment at any time and without notice.
Such changes will, nevertheless be incorporated into new editions of this document.
Copyright: Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its contents
and communication thereof to others without express authorization are prohibited. Offenders will be held liable for
payment of damages. All rights are reserved.
Copyright © Telit Communications SpA 2008, 2012.
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1 Introduction
1.1 Scope
This document is aimed at providing a detailed specification and a comprehensive listing as a Reference for the whole
set of AT command
1.2 Audience
Readers of this document should be familiar with Telit modules and their ease of controlling by means of AT Commands.
1.3 Contact Information, Support
For general contact, technical support, to report documentation errors and to order manuals, contact Telit’s Technical
Support Center (TTSC) at:
TS-NORTHAMER[email protected]
Alternatively, use:
http://www.telit.com/en/products/technical-support-center/contact.php
For detailed information about where you can buy the Telit modules or for recommendations on accessories and
components visit:
http://www.telit.com
To register for product news and announcements or for product questions contact Telit’s Technical Support Center
(TTSC).
Our aim is to make this guide as helpful as possible. Keep us informed of your comments and suggestions for
improvements.
Telit appreciates feedback from the users of our information.
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1.4 Document Organization
This document contains the following chapters:
Chapter 1: “Introduction” provides a scope for this document, target audience, contact and support
information, and text conventions.
Chapter 2: “Overview” about the aim of this document and implementation suggestions.
Chapter 3: “AT Commands” The core of this Reference guide.
1.5 Text Conventions
Danger – This information MUST be followed or catastrophic equipment failure or bodily injury may occur.
Caution or Warning – Alerts the user to important points about integrating the module, if these points are not followed,
the module and end user equipment may fail or malfunction.
Tip or Information – Provides advice and suggestions that may be useful when integrating the module.
All dates are in ISO 8601 format, i.e. YYYY-MM-DD.
1.6 Related Documents
ETSI GSM 07.07 specification and rules
http://www.3gpp.org/ftp/Specs/archive/07_series/07.07/
ETSI GSM 07.05 specification and rules
http://www.3gpp.org/ftp/Specs/archive/07_series/07.05/
Hayes standard AT command set
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1.7
Document History
Revision Date SW release Changes
ISSUE #0 2017-03-10
30.00.xx0-Bxxx
First release
ISSUE #1 2017-08-14 30.00.xx1-Bxxx Updated applicability table
ISSUE #2 2017-09-14
30.00.xx1-Bxxx
30.00.xx2
Updated applicability table
Updated Commands and Aligned to first Mass Production
Release 30.00.xx2
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2 Overview
2.1 About the document
This document is to describe all AT commands implemented on the Telit wireless modules listed on the
applicability table.
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3 AT COMMANDS
The Telit wireless modules family can be controlled via the serial interface using the standard AT commands
1
.
The Telit wireless modules family is compliant with:
1. Hayes standard AT command set, in order to maintain the compatibility with existing SW programs.
2. ETSI GSM 07.07 specific AT command and GPRS specific commands.
3. ETSI GSM 07.05 specific AT commands for SMS (Short Message Service) and CBS (Cell Broadcast Service)
4. FAX Class 1 compatible commands
Moreover Telit wireless modules family supports also Telit proprietary AT commands for special purposes.
The following is a description of how to use the AT commands with the Telit wireless module family.
3.1 Definitions
The following syntactical definitions apply:
<CR> Carriage return character, is the command line and result code terminator character, which value, in
decimal ASCII between 0 and 255,is specified within parameter
S3. The default value is 13.
<LF> Linefeed character, is the character recognised as line feed character. Its value, in decimal ASCII between
0 and 255, is specified within parameter
S4. The default value is 10. The line feed character is output after
carriage return character if verbose result codes are used (
V1 option used). Otherwise, if numeric format result
codes are used (
V0 option used) it will not appear in the result codes.
<...> Name enclosed in angle brackets is a syntactical element. It does not appear in the command line.
[...] Optional subparameter of a command or an optional part of TA information response is enclosed in square
brackets. Brackets themselves do not appear in the command line. When subparameter is not given in AT
commands which have a Read command, new value equals to its previous value. In AT commands which do
not store the values of any of their subparameters (called action type commands), and so don’t have a Read
command, action should be done on the basis of the recommended default setting of the subparameter.
3.2 AT Command Syntax
The syntax rules followed by Telit implementation of either Hayes AT commands or GSM/WCDMA
commands are very similar to those of standard basic and extended AT commands. There are two types of
extended command:

1
The AT is an ATTENTION command and is used as a prefix to other parameters in a string. The AT command
combined with other parameters can be set up in the communications package or typed in manually as a
command line instruction.
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- Parameter type commands. This type of commands may be “set” (to store a value or values for later use),
“read” (to determine the current value or values stored), or “tested” (to determine ranges of values
supported). Each of them has a test command (trailing ‘=?’) to give information about the type of its
subparameters; they also have a Read command (trailing ‘?’) to check the current values of subparameters.
- Action type commands. This type of command may be “executed” or “tested”:
“executed“ to invoke a particular function of the equipment, which generally involves more than the
simple storage of a value for later use
“tested” to determine whether or not the equipment implements the Action Command (in this case
issuing the correspondent Test command - trailing =? - returns the OK result code), and if
subparameters are associated with the action, the ranges of subparameters values that are supported.
Action commands do not store the values of any of their possible subparameters.
Moreover:
o The response to the Test Command (trailing =?) may be changed in the future by Telit to allow
the description of new values/functionalities
o If all the subparameters of a parameter type command +CMD (or #CMD or $CMD) are
optional, issuing AT+CMD=<CR> (or AT#CMD=<CR> or AT$CMD=<CR>) causes the OK
result code to be returned and the previous values of the omitted subparameters to be retained.
String Type Parameters
A string must be enclosed between quotes or it will not be considered as a valid string type parameter input.
According to V25.ter, space characters are ignored on the command line and may be used freely for
formatting purposes, unless they are embedded on numeric or quoted string constants. Therefore a string
containing a space character has to be enclosed between quotes to be considered a valid string type
parameter (e.g. typing AT+COPS=1,0,”A1” is the same as typing AT+COPS=1,0,A1; typing
AT+COPS=1,0,”A BB” is different from typing AT+COPS=1,0,A BB).
A small set of commands always requires writing the input string parameters within quotes. This is
explicitly reported in the specific descriptions.
Command Lines
A command line is made up of three elements: the prefix, the body and the termination character.
The command line prefix consists of the characters “AT” or “at”, or, to repeat the execution of the previous
command line, the characters “A/” or a/”.
AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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The termination character may be selected by a user option (parameter S3), the default being <CR>.
The basic structures of the command line are:
ATCMD1<CR> where AT is the command line prefix, CMD1 is the body of a basic command
(nb: the name of the command never begins with the character “
+”) and <CR> is the command line
terminator character
ATCMD2=10<CR> where 10 is a subparameter
AT+CMD1 ;+CMD2=, ,10<CR> These are two examples of extended commands (nb: the name
of the command always begins with the character “
+
2
).
They are delimit with semicolon. In the second command, the subparameter omitted.
+CMD1?<CR> This is a Read command for checking current subparameter values
+CMD1=?<CR> This is a test command for checking possible subparameter values
These commands might be performed in a single command line as shown below:
ATCMD1 CMD2=10+CMD1;+CMD2=, ,10;+CMD1?;+CMD1=?<CR>
Anyway it is always preferable to separate into different command lines the basic commands and the extended
commands.
Furthermore it is suggested to avoid placing several action commands in the same command line, because if
one of them fails, then an error message is received but it is not possible to argue which one of them has failed
the execution.
If command
V1 is enabled (verbose responses codes) and all commands in a command line have been
performed successfully, result code
<CR><LF>OK<CR><LF> is sent from the TA to the TE.
If subparameter values of a command are not accepted by the TA or command itself is invalid, or command
cannot be performed for some reason, result code
<CR><LF>ERROR<CR><LF> is sent and no
subsequent commands in the command line are processed.
If command
V0 is enabled (numeric responses codes) and all commands in a command line have been
performed successfully, result code
0<CR> is sent from the TA to the TE.
If sub-parameter values of a command are not accepted by the TA or command itself is invalid, or command
cannot be performed for some reason, result code
4<CR> and no subsequent commands in the command line
are processed.

2
ThesetofproprietaryATcommandsdifferentiatesfromthestandardonebecausethenameofeachofthem
beginswitheither@”,#”,$”or“*”.ProprietaryATcommandsfollowthesamesyntaxrulesasextended
commands
AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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In case of errors depending on ME operation, ERROR (or 4) response may be replaced by +CME ERROR:
<err> or +CMS ERROR: <err>
.
NOTE: The command line buffer accepts a maximum of 80 characters. If this number is
exceeded none of the commands will be executed and TA returns ERROR.
AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
ReproductionforbiddenwithoutTelitCommunicationsS.p.A.writtenauthorization‐AllRightsReserved page18of233
ME Error Result Code - +CME ERROR: <err>
This is NOT a command it is the error response to +Cxxx 3gpp
TS 27.007 commands.
Syntax: +CME ERROR: <err>
Parameter: <err> - error code can be either numeric or verbose (see +CMEE).The possible values
of <err> are reported in the below table:
Numeric Format Verbose Format
General errors:
0
p
hone failure
1
N
o connection to
p
hone
2
p
hone-ada
p
tor link reserve
d
3 o
p
eration not allowed
4 o
p
eration not su
pp
orted
5 PH-SIM PIN re
q
uired
10 SIM not inserted
11 SIM PIN re
q
uired
12 SIM PUK re
q
uired
13 SIM failure
14 SIM bus
y
15 SIM wron
16 incorrect
p
assword
17 SIM PIN2 re
q
uired
18 SIM PUK2 re
q
uired
20 memor
y
full
21 invalid index
22 not found
23 memor
y
failure
24 text strin
g
too lon
g
25 invalid characters in text strin
g
26 dial strin
g
too lon
g
27 invalid characters in dial strin
g
30 no network service
31 network time-out
32 network not allowed - emer
g
enc
y
calls onl
y
40 network
p
ersonalization PIN re
q
uired
41 network
p
ersonalization PUK re
q
uired
42 network subset
p
ersonalization PIN re
q
uired
43 network subset
p
ersonalization PUK re
q
uired
44 service
p
rovider
p
ersonalization PIN re
q
uired
45 Service
p
rovider
p
ersonalization PUK re
q
uired
46 cor
p
orate
p
ersonalization PIN re
q
uired
47 cor
p
orate
p
ersonalization PUK re
q
uired
General
p
ur
p
ose error:
100 unknown
770 SIM invalid
GPRS related errors to a failure to
p
erform an Attach:
103 Ille
g
al MS
(
#3
)
*
AT Commands Reference Guide
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Numeric Format Verbose Format
106 Ille
g
al ME
(
#6
)
*
107 GPRS service not allowed
(
#7
)
*
111 PLMN not allowed
(
#11
)
*
112 Location area not allowed
(
#12
)
*
113 Roamin
g
not allowed in this location area
(
#13
)
*
GPRS related errors to a failure to Activate a Context and others:
132 service o
p
tion not su
pp
orted
(
#32
)
*
133 re
q
uested service o
p
tion not subscribed
(
#33
)
*
134 service o
p
tion tem
p
oraril
y
out of order
(
#34
)
*
148 uns
p
ecified GPRS erro
r
149 PDP authentication failure
150 invalid mobile class
Eas
y
GPRS® related errors
550
g
eneric undocumented erro
r
551 wron
g
state
552 wron
g
mode
553 context alread
y
activated
554 stack alread
y
active
555 activation failed
556 context not o
p
ened
557 cannot setu
p
socket
558 cannot resolve DN
559 time-out in o
p
enin
g
socket
560 cannot o
p
en socket
561 remote disconnected or time-out
562 connection faile
d
563 tx erro
r
564 alread
y
listenin
g
Network surve
y
errors
657
N
etwork surve
y
error
(
No Carrier
)
*
658
N
etwork surve
y
error
(
Bus
y)
*
659
N
etwork surve
y
error
(
Wron
g
re
q
uest
)
*
660
N
etwork surve
y
error
(
Aborted
)
*
Su
pp
lementar
y
service related error
257 network re
j
ected re
q
uest
258 retr
y
o
p
eration
259 invalid deflected to numbe
r
260 deflected to own numbe
r
261 unknown subscribe
r
262 service not available
263 unknown class s
p
ecifie
d
264 unknown network messa
g
e
AT+COPS test command related error
680 LU
p
rocessin
g
681
N
etwork search aborte
d
682 PTM mode
AT+WS46 test command related error
683 Active call state
684 RR connection Established
AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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*(Values in parentheses are 3gpp TS 24.008 cause codes) Message Service Failure Result Code - +CMS ERROR:
<err>
Message Service Failure Result Code -
+CMS ERROR: <err>
This is NOT a command; it is the error response to +Cxxx
3gpp TS 27.005 commands.
Syntax: +CMS ERROR: <err>
Parameter: <err> - numeric error code. The <err> values are reported in the below table:
Numeric Format Meaning
0...127 3gpp TS 24.011 Annex E-2 values
128...255 3gpp TS 23.040 sub clause 9.2.3.22 values
300 ME failure
301 SMS service of ME reserved
302 operation not allowed
303 operation not supported
304 invalid PDU mode parameter
305 invalid text mode parameter
310 SIM not inserted
311 SIM PIN required
312 PH-SIM PIN required
313 SIM failure
314 SIM busy
315 SIM wrong
316 SIM PUK required
317 SIM PIN2 required
318 SIM PUK2 required
320 memory failure
321 invalid memory index
322 memory full
330 SMSC address unknown
331 no network service
332 network time-out
340 no +CNMA acknowledgement expected
500 unknown error
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Telit Wireless Solutions ME910C1-AU Reference guide

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