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AbstractDescription of standard and proprietary AT commands used with u-bloxcellular modules.

www.u-blox.com

UBX-13002752 - R34

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u-blox Cellular Modules-AT Commands Manual

UBX-13002752 - R34

Objective Specification Page 2 of 702

Document Information

Title u-blox Cellular Modules

Subtitle Data and Voice Modules

Document type AT Commands Manual

Document number UBX-13002752

Revision, date R34 09-Oct-2015

Status Objective Specification

Document status explanation

Objective Specification Document contains target values. Revised and supplementary data will be published later.

Advance Information Document contains data based on early testing. Revised and supplementary data will be published later.

Early Production Information Document contains data from product verification. Revised and supplementary data may be published later.

Production Information Document contains the final product specification.

u-blox reserves all rights to this document and the information contained herein. Products, names, logos and designs described herein mayin whole or in part be subject to intellectual property rights. Reproduction, use, modification or disclosure to third parties of this documentor any part thereof without the express permission of u-blox is strictly prohibited.The information contained herein is provided as is and u-blox assumes no liability for the use of the information. No warranty, eitherexpress or implied, is given, including but not limited, with respect to the accuracy, correctness, reliability and fitness for a particularpurpose of the information. This document may be revised by u-blox at any time. For most recent documents, please visit www.u-blox.com.Copyright 2014, u-blox AG

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Objective Specification PrefacePage 3 of 702

Preface

Applicable productsThis document applies to the following products:

Name Type number Modem version Application version PCN referenceLEON-G100 LEON-G100-06S-02

LEON-G100-07S-01

LEON-G100-08S-01

07.60.17

07.92

07.92

UBX-13005361

UBX-13005361

UBX-13005361LISA-U100 LISA-U100-01S-00 11.40 UBX-TN-12008LISA-U110 LISA-U110-01S-00

LISA-U110-50S-00

LISA-U110-60S-00

11.40

11.46

11.43

UBX-TN-12008

UBX-TN-12081

UBX-TN-12050LISA-U120 LISA-U120-01S-00

LISA-U120-01S-01

11.40

11.50

UBX-TN-12008

UBX-13002821LISA-U130 LISA-U130-01S-00

LISA-U130-60S-00

11.40

11.43

UBX-TN-12008

UBX-TN-12050LISA-U200 LISA-U200-00S-00 21.21 UBX-TN-12009

LISA-U200-01S-00 22.40 UBX-TN-12040LISA-U200-02S-00 22.90 UBX-13003492LISA-U200-03S-00 23.41 A01.01 UBX-15020745LISA-U200-52S-00 22.86 UBX-13004628LISA-U200-62S-00 22.90 UBX-13003492

LISA-U200 FOTA LISA-U200-82S-00 22.92 UBX-13004629LISA-U200-83S-00 23.41 A01.01 UBX-15020745

LISA-U201 LISA-U201-03S-00 23.41 A01.01 UBX-15020745LISA-U230 LISA-U230-01S-00 22.40 UBX-TN-12040LISA-U260 LISA-U260-01S-00

LISA-U260-02S-00

22.61

22.90

UBX-TN-12061

UBX-13003492LISA-U270 LISA-U270-01S-00 22.61 UBX-TN-12061

LISA-U270-02S-00 22.90 UBX-13003492LISA-U270-62S-00 22.90 UBX-13003492LISA-U270-68S-00 22.93 A01.03 UBX-15019240

SARA-G300 SARA-G300-00S-00 08.58 GSM.G2-TN-13007SARA-G310 SARA-G310-00S-00 08.58 GSM.G2-TN-13007SARA-G340 SARA-G340-00S-00

SARA-G340-01S-00

08.49

08.70

UBX-14000382

UBX-14039634SARA-G350 SARA-G350-00S-00

SARA-G350-01S-00

SARA-G350-01B-00

08.49

08.70

TBD

GSM.G2-TN-13002

UBX-14039634

TBDSARA-G350 ATEX SARA-G350-00X-00 08.49 - GSM.G2-TN-13002SARA-U260 SARA-U260-00S-00

SARA-U260-03S-00

23.20

23.41

A01.00

A01.01

UBX-14015739

UBX-15020745SARA-U270 SARA-U270-00S-00

SARA-U270-03S-00

SARA-U270-53S-00

23.20

23.41

23.41

A01.00

A01.01

A01.02

UBX-14015739

UBX-15020745

UBX-15022211SARA-U270 ATEX SARA-U270-00X-00 23.20 A01.00 TBDSARA-U280 SARA-U280-00S-00

SARA-U280-03S-00

23.28

23.41

A01.00

A01.01

UBX-15013708

UBX-15020745TOBY-L200 TOBY-L200-00S-00

TOBY-L200-02S-00

09.71

15.55

A01.15

A01.01

UBX-14044437

UBX-15023663

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Name Type number Modem version Application version PCN referenceTOBY-L200-50S-00 09.71 A01.57 UBX-15004131

TOBY-L201 TOBY-L201-01S-00 09.93 A01.07 UBX-15021135TOBY-L210 TOBY-L210-00S-00

TOBY-L210-02S-00

TOBY-L210-50S-00

TOBY-L210-60S-00

09.71

15.55

09.71

09.94

A01.15

A01.01

A01.57

A01.00

UBX-14044437

UBX-15023663

UBX-15004131

UBX-15021694TOBY-L280 TOBY-L280-00S-00

TOBY-L280-02S-00

09.90

15.57

A01.02

A01.00

UBX-15016802

UBX-15024109MPCI-L200 MPCI-L200-00S-00

MPCI-L200-02S-00

09.71

15.51

A01.15

A01.00

UBX-14044437

UBX-15023663MPCI-L210 MPCI-L210-00S-00

MPCI-L210-02S-00

MPCI-L210-60S-00

09.71

15.51

09.94

A01.15

A01.00

A01.00

UBX-14044437

UBX-15023663

UBX-15021694MPCI-L280 MPCI-L280-02S-00 15.57 A01.00 UBX-15024109

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How to use this ManualThe u-blox Cellular Modules AT Commands Manual provides the necessary information to successfully design inand configure the applicable u-blox cellular modules.

This manual has a modular structure. It is not necessary to read it from the beginning to the end.

The following symbols are used to highlight important information within the manual:

An index finger points out key information pertaining to module integration and performance.

A warning symbol indicates actions that could negatively impact or damage the module.

Summary tableThe summary table on the top of each command section is a quick reference for the user.

command_nameLEON-G SARA-GModulesLISA-U110 LISA-U120 LISA-U130 LISA-U2Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributesfull No No No - -

It is composed by two sections: Modules: lists all the modules that support the command. The modules are grouped in rows by cellular

standard (i.e. G for GSM/GPRS, U for UMTS/HSPA, L for LTE). In each row the modules are grouped by: formfactor (i.e. SARA, LISA), platform technology (e.g. SARA-G), platform generation (e.g. SARA-G3), productname (e.g. SARA-G350) and ordering code (e.g. SARA-G350-00S). In example: if 'LISA-U2' is reported, thecommand applies to all the modules having LISA form factor, second chipset version provided with any releaseof firmware.

Attributeso Syntax

- full: the command syntax is fully compatible among all the products listed in the "Modules" section- partial: the products support different syntaxes (usually backward compatible with respect to previous

cellular standards)o PIN required

- Yes: it is necessary to insert the PIN before the set and read command execution- No: the PIN insertion is not needed to execute the command

o Settings saved- Profile: the command setting can be saved in a personal profile as specified in Chapter 1.2- NVM: the command setting is saved in the non-volatile memory as specified in Chapter 1.2- No: the current command setting is volatile and cannot be saved

o Can be aborted- Yes: the command execution can be aborted if a character is sent to the DCE during the command

execution- No: the command cannot be aborted during the command executionWhen a command is aborted the ABORTED result code is displayed.

o Response time: estimated maximum time to get the result code for the AT command execution.More precisely, the command response time measures the time from the complete acquisition of thecommand line to the issuing of the command result code.

The response time specified in this manual is generally lower than the time measured by the application onthe DTE, because the issuing of the command on the DTE is influenced by the AT interface characteristics

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(e.g. the synchronous/asynchronous transfer type, the selected baudrate, etc.), by power saving and flowcontrol, which introduces a variable latency in the command acquisition by the DCE.

If the response time for a command is left blank (actually "-"), it is an "immediate" response. It means thatthe command is executed without asynchronous requests to the protocol stack or the internal applications, which usually require time to be answered: the command execution is synchronous, (implying that no longblocking processing is done) and lasts a negligible time (the command response is issued by the modulein typically less than 10 ms, and in any case less than 1 s).

o Error reference: reference to the error result codes listed in the Appendix A

SARA-G / LEON-GWhen a command is aborted the OK result code is displayed.

TOBY-L2 / MPCI-L2The AT commands can not be aborted, except if explicitly stated in the corresponding AT commanddescription.

u-blox Technical DocumentationAs part of our commitment to customer support, u-blox maintains an extensive volume of technicaldocumentation for our products. In addition to our product-specific technical data sheets, the following manualsare available to assist u-blox customers in product design and development.

AT Commands Manual: This document provides the description of the AT commands supported by u-bloxcellular modules.

System Integration Manual: This document describes u-blox cellular modules from the hardware and thesoftware point of view. It provides hardware design guidelines for the optimal integration of the cellular modulein the application device and it provides information on how to set up production and final product tests onapplication devices integrating the cellular module.

Application Notes: These documents provide guidelines and information on specific hardware and/or softwaretopics on u blox cellular modules. See Related documents for a list of application notes related to your cellularmodule.

QuestionsIf you have any questions about u-blox Cellular Hardware Integration, please:

Read this manual carefully Contact our information service on our homepage www.u-blox.com Read the questions and answers on our FAQ database

Technical SupportWorldwide WebOur website (www.u-blox.com) is a rich pool of information. Product information, technical documents andhelpful FAQ can be accessed 24h a day.

By E-mailIf you have technical problems or cannot find the required information in the provided documents, contact thenearest of the Technical Support offices by email. Use our service pool email addresses rather than any personalemail address of our staff. This makes sure that your request is processed as soon as possible. You will find thecontact details at the end of the document.

Helpful Information when Contacting Technical SupportWhen contacting Technical Support please have the following information ready:

Module type (e.g. SARA-G350-00S-00) and firmware version (e.g. 08.49) Module configuration

http://www.u-blox.comhttp://www.u-blox.com

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Clear description of your question or the problem A short description of the application Your complete contact details

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Objective Specification ContentsPage 8 of 702

Contents

1AT command settings..................................................................................................201.1 Definitions....................................................................................................................................201.2 Profiles......................................................................................................................................... 231.3S-parameters................................................................................................................................. 23

2General operation........................................................................................................252.1Start up and initialization.............................................................................................................. 252.2AT commands types......................................................................................................................25

3IPC - Inter Processor Communication.........................................................................283.1Multiplexing mode +CMUX...........................................................................................................28

4General..........................................................................................................................314.1Manufacturer identification +CGMI...............................................................................................314.2Manufacturer identification +GMI................................................................................................. 314.3Model identification +CGMM........................................................................................................324.4Model identification +GMM.......................................................................................................... 324.5Firmware version identification +CGMR.........................................................................................334.6Firmware version identification +GMR...........................................................................................334.7 IMEI identification +CGSN............................................................................................................. 344.8 IMEI identification +GSN............................................................................................................... 344.9 Identification information I............................................................................................................ 354.10TE character set configuration +CSCS......................................................................................... 354.11International mobile subscriber identification +CIMI.................................................................... 364.12Card identification +CCID........................................................................................................... 374.13Request complete capabilities list +GCAP....................................................................................374.14Display FGI settings +UFGI.......................................................................................................... 384.15Repeat last command A/............................................................................................................. 384.16List all available AT commands +CLAC........................................................................................394.17Help displaying all commands &H............................................................................................... 39

5Mobile equipment control and status....................................................................... 415.1Phone activity status +CPAS..........................................................................................................415.2Module switch off +CPWROFF...................................................................................................... 415.3Set module functionality +CFUN................................................................................................... 425.4 Indicator control +CIND.................................................................................................................445.5Configuration of indicator control +UCIND................................................................................... 465.6Mobile termination event reporting +CMER.................................................................................. 465.7Clock +CCLK.................................................................................................................................485.8Alarm +CALA................................................................................................................................ 495.9Delete alarm +CALD..................................................................................................................... 505.10Alert sound mode +CALM.......................................................................................................... 515.11Ringer sound level +CRSL............................................................................................................525.12Loudspeaker volume level +CLVL................................................................................................ 525.13Mute control +CMUT..................................................................................................................535.14Set greeting text +CSGT............................................................................................................. 545.15Automatic time zone update +CTZU........................................................................................... 555.16Time zone reporting +CTZR........................................................................................................ 555.17Report mobile termination error +CMEE..................................................................................... 565.18Extended error report +CEER.......................................................................................................57

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5.19Proprietary extended error report +UCEER...................................................................................58

6Call control................................................................................................................... 596.1Select type of address +CSTA....................................................................................................... 596.2Dial command D........................................................................................................................... 596.3Direct calling from phonebooks D>...............................................................................................616.4Select tone dialling T.....................................................................................................................626.5Select pulse dialling P....................................................................................................................626.6Call answer A................................................................................................................................636.7Hook control H............................................................................................................................. 636.8Monitor speaker loudness L.......................................................................................................... 646.9Monitor speaker mode M............................................................................................................. 646.10Call mode +CMOD..................................................................................................................... 656.11Hang up call +CHUP................................................................................................................... 656.12Single numbering scheme +CSNS................................................................................................666.13Set reporting call status +UCALLSTAT......................................................................................... 676.14Information to in-band-tones availability +UPROGRESS................................................................686.15Tone duration +VTD....................................................................................................................696.16DTMF and tone generation +VTS................................................................................................ 696.17Start and stop tone generation +UVTS........................................................................................706.18Redial last telephone number DL.................................................................................................716.19Automatic answer S0.................................................................................................................. 716.20Set voice mail number +CSVM....................................................................................................726.21Emergency call reporting configuration +UEMC.......................................................................... 736.22Emergency number verification +UEMN...................................................................................... 73

7Network service........................................................................................................... 747.1Subscriber number +CNUM...........................................................................................................747.2Signal quality +CSQ...................................................................................................................... 747.3Extended signal quality +CESQ......................................................................................................767.4Operator selection +COPS............................................................................................................. 777.5Radio Access Technology (RAT) selection +URAT...........................................................................827.6Display EONS names +UEONS....................................................................................................... 837.7Display operator name +UDOPN................................................................................................... 847.8Preferred PLMN list selection +CPLS.............................................................................................. 857.9PS operator selection +UCGOPS....................................................................................................867.10Network registration status +CREG............................................................................................. 877.11HSDPA/HSUPA mode configuration +UHSDUPA.......................................................................... 907.12Preferred operator list +CPOL......................................................................................................927.13Read operator names +COPN......................................................................................................937.14Steering of Roaming configuration +UDCONF=20.......................................................................947.15Fast Dormancy activation +UFDAC.............................................................................................. 957.16Fast Dormancy configuration +UDCONF=61................................................................................967.17Network selection control +PACSP.............................................................................................. 967.18Integrity check on test networks configuration +UDCONF=81..................................................... 977.19Select band +UBANDSEL............................................................................................................. 987.20Cell environment description +CGED.........................................................................................1007.21Channel and network environment description +UCGED...........................................................1097.22Provide cell information +UCELLINFO........................................................................................ 1137.23Lock on a specific cell +UCELLLOCK..........................................................................................1147.24Wireless service selection +WS46.............................................................................................. 1197.25Home zone reporting +UHOMEZR.............................................................................................1207.26Jamming detection +UCD......................................................................................................... 1207.27 IMSI detach +UCSDETACH........................................................................................................ 1237.28MNO configuration +UMNOCONF.............................................................................................123

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7.29PLMN list extensions +UMNOPLMN...........................................................................................1267.30LTE category configuration +ULTECAT.......................................................................................127

8IP Multimedia Subsystem (IMS)................................................................................1288.1 Introduction.................................................................................................................................1288.2IMS configuration setting +UIMSCONF........................................................................................1288.3Read IMS configuration +UIMSRCONF.........................................................................................1318.4IMS registration information +CIREG...........................................................................................1328.5Availability for SMS using IMS +CASIMS..................................................................................... 1338.6UE's voice domain preference UTRAN +CVDP............................................................................. 1338.7UE's voice domain preference E-UTRAN +CEVDP........................................................................ 134

9Security....................................................................................................................... 1359.1Enter PIN +CPIN.......................................................................................................................... 1359.2Read remaining SIM PIN attempts +UPINCNT..............................................................................1369.3Facility lock +CLCK......................................................................................................................1369.4Change password +CPWD.......................................................................................................... 1389.5Custom SIM lock +USIMLCK....................................................................................................... 139

10Phonebook................................................................................................................14110.1Select phonebook memory storage +CPBS................................................................................ 14110.2Read phonebook entries +CPBR................................................................................................ 14210.3Find phonebook entries +CPBF..................................................................................................14310.4Write phonebook entry +CPBW................................................................................................ 144

11Short Messages Service...........................................................................................14711.1 Introduction...............................................................................................................................14711.2Select message service +CSMS.................................................................................................. 14811.3Preferred message storage +CPMS............................................................................................14911.4Preferred message format +CMGF............................................................................................ 15011.5Save settings +CSAS..................................................................................................................15111.6Restore settings +CRES..............................................................................................................15111.7Show text mode parameters +CSDH......................................................................................... 15211.8New message indication +CNMI................................................................................................15211.9Incoming SMS/CBM indication via different AT interfaces +UDCONF=82................................... 15611.10Select service for MO SMS messages +CGSMS........................................................................15611.11Read message +CMGR............................................................................................................15711.12New message acknowledgement to MT +CNMA.................................................................... 16011.13List message +CMGL...............................................................................................................16111.14Send message +CMGS............................................................................................................ 16311.15Write message to memory +CMGW....................................................................................... 16411.16Send message from storage +CMSS........................................................................................16511.17Set text mode parameters +CSMP...........................................................................................16611.18Delete message +CMGD......................................................................................................... 16711.19Primary notification event reporting +CPNER...........................................................................16811.20Service center address +CSCA.................................................................................................16811.21Select cell broadcast message types +CSCB.............................................................................16911.22Read concatenated message +UCMGR....................................................................................17011.23List concatenated message +UCMGL.......................................................................................17311.24Send concatenated message +UCMGS....................................................................................17511.25Write concatenated message to memory +UCMGW............................................................... 17611.26More messages to send +CMMS.............................................................................................17711.27Peek message +UCMGP.......................................................................................................... 17811.28Message waiting indication +UMWI........................................................................................ 179

12Supplementary services...........................................................................................181

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12.1Call forwarding +CCFC............................................................................................................. 18112.2Call waiting +CCWA.................................................................................................................18212.3Calling line identification restriction +CLIR.................................................................................18412.4Calling line identification presentation +CLIP.............................................................................18412.5Connected line identification presentation +COLP..................................................................... 18512.6Connected line identification restriction +COLR.........................................................................18612.7Advice of charge +CAOC..........................................................................................................18712.8Accumulated call meter +CACM............................................................................................... 18812.9Call meter maximum event +CCWE.......................................................................................... 18812.10Accumulated call meter maximum +CAMM............................................................................ 18912.11Price per unit and currency table +CPUC................................................................................ 19012.12Call related supplementary services +CHLD............................................................................. 19012.13Call deflection +CTFR.............................................................................................................. 19112.14List current calls +CLCC.......................................................................................................... 19212.15Supplementary service notifications +CSSN............................................................................. 19312.16User to user signalling service 1 +CUUS1................................................................................ 19412.17Unstructured supplementary service data +CUSD.................................................................... 19612.18Closed user group +CCUG......................................................................................................19712.19Calling name presentation +CNAP.......................................................................................... 19812.20eMLPP priority registration and interrogation +CAEMLPP.........................................................19912.21eMLPP subscriptions +CPPS..................................................................................................... 19912.22Automatic answer for eMLPP service +CAAP...........................................................................200

13Circuit switched data services................................................................................ 20113.1 Introduction...............................................................................................................................20113.2Select bearer service type +CBST...............................................................................................20113.3Connection type groups configuration +UDCONF=32............................................................... 20313.4Circuit switched data (CSD) configuration +UCSD.....................................................................20413.5Circuit switched data (CSD) action +UCSDA..............................................................................20513.6Circuit switched network-assigned data +UCSND......................................................................20613.7Service class selection and identification +FCLASS..................................................................... 20713.8Service reporting control +CR....................................................................................................20813.9Cellular result codes +CRC........................................................................................................20813.10Radio link protocol +CRLP.......................................................................................................209

14FAX class 2............................................................................................................... 21114.1 Introduction...............................................................................................................................21114.2Adaptive answer +FAA..............................................................................................................21114.3Address & polling capabilities +FAP...........................................................................................21114.4Buffer size +FBS........................................................................................................................ 21214.5Data bit order +FBO..................................................................................................................21214.6HDLC frame reporting +FBU......................................................................................................21314.7DS capabilities parameters +FCC............................................................................................... 21314.8Copy quality checking +FCQ..................................................................................................... 21414.9Capability to receive data +FCR................................................................................................ 21414.10Current session results +FCS................................................................................................... 21514.11DTE phase C response timeout +FCT...................................................................................... 21514.12Receive data +FDR...................................................................................................................21614.13Transmit Data +FDT.................................................................................................................21614.14Phase C received EOL alignment +FEA.................................................................................... 21614.15Format conversion +FFC.......................................................................................................... 21714.16Report file transfer diagnostic frame +FFD...............................................................................21814.17Call termination status +FHS................................................................................................... 21814.18Procedure interrupt enable +FIE.............................................................................................. 21814.19Initialize facsimile parameters +FIP...........................................................................................219

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14.20Current session parameters +FIS..............................................................................................22014.21 Inactivity timeout +FIT............................................................................................................. 22014.22Session termination +FKS, +FK................................................................................................ 22114.23Local ID string +FLI..................................................................................................................22114.24Set flow control +FLO............................................................................................................. 22214.25Indicate document to poll +FLP...............................................................................................22214.26Request manufacturer identification +FMI............................................................................... 22314.27Request model identification +FMM........................................................................................22314.28Request revision identification +FMR....................................................................................... 22314.29Minimum phase C speed +FMS.............................................................................................. 22414.30Negotiation reporting +FNR.....................................................................................................22414.31Non-standard frame FIF octet string +FNS............................................................................... 22514.32NSF message data indication +FND......................................................................................... 22514.33Selective polling address +FPA.................................................................................................22614.34Local polling ID string +FPI...................................................................................................... 22614.35Packet protocol control +FPP...................................................................................................22714.36Page status +FPS..................................................................................................................... 22714.37Password parameter +FPW......................................................................................................22814.38Receive quality thresholds +FRQ.............................................................................................. 22814.39Error correction mode retry count +FRY.................................................................................. 22914.40SubAddress parameter +FSA................................................................................................... 22914.41Request to poll +FSP............................................................................................................... 23014.42Fax intermediate result codes.................................................................................................. 230

15V24 control and V25ter...........................................................................................23115.1 Introduction...............................................................................................................................23115.2Circuit 109 behavior &C............................................................................................................23115.3Circuit 108/2 behavior &D.........................................................................................................23215.4DSR override &S........................................................................................................................ 23315.5Flow control &K........................................................................................................................ 23415.6DTE-DCE character framing +ICF...............................................................................................23615.7DTE-DCE local flow control +IFC............................................................................................... 23815.8Set flow control \Q................................................................................................................... 23915.9Fixed DTE rate +IPR...................................................................................................................24015.10Return to on-line data state O................................................................................................ 24415.11Escape character S2................................................................................................................ 24515.12Command line termination character S3................................................................................. 24615.13Response formatting character S4........................................................................................... 24615.14Command line editing character S5........................................................................................ 24715.15Pause before blind dialling S6................................................................................................. 24715.16Connection completion timeout S7......................................................................................... 24815.17Command dial modifier time S8............................................................................................. 24915.18Automatic disconnect delay S10..............................................................................................24915.19Escape prompt delay (EPD) S12...............................................................................................25015.20Command echo E................................................................................................................... 25115.21Result code suppression Q...................................................................................................... 25115.22DCE response format V...........................................................................................................25215.23Result code selection and call progress monitoring control X...................................................25215.24Reset to default configuration Z..............................................................................................25315.25Set to factory defined configuration &F...................................................................................25315.26Store current configuration &W.............................................................................................. 25415.27Display current configuration &V.............................................................................................25415.28Designate a default reset profile &Y........................................................................................25515.29Parity bit transmission over the air +UTPB............................................................................... 256

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16SIM management.....................................................................................................25916.1Generic SIM access +CSIM........................................................................................................ 25916.2Restricted SIM access +CRSM....................................................................................................25916.3Read the SIM language +CLAN.................................................................................................26116.4Check for UICC card +UUICC................................................................................................... 26116.5Customer service profile +UCSP................................................................................................ 26216.6SIM hot insertion configuration +UDCONF=50..........................................................................26216.7UICC application discovery +CUAD........................................................................................... 26316.8Open logical channel +CCHO....................................................................................................26416.9Close logical channel +CCHC....................................................................................................26416.10Generic UICC logical channel access +CGLA........................................................................... 26516.11Restricted UICC logical channel access +CRLA.........................................................................26616.12SIM states reporting +USIMSTAT.............................................................................................26716.13Answer To Reset contents +USIMATR..................................................................................... 268

17SIM toolkit................................................................................................................26917.1 Introduction...............................................................................................................................26917.2Terminal profile +STKPROF........................................................................................................ 27017.3Proactive command in dedicated mode +STKPRO......................................................................27017.4Terminal response in dedicated mode +STKTR.......................................................................... 27317.5Proactive session status in dedicated mode +STKCNF................................................................ 27617.6Bearer Independent Protocol status indication +UBIP.................................................................27617.7Envelope in dedicated mode +STKENV......................................................................................27717.8Call and short message control in dedicated mode +STKCC......................................................27817.9Proactive command indication in raw mode +SATI....................................................................27917.10Proactive command notification in raw mode +SATN.............................................................. 27917.11Send terminal response in raw mode +SATR........................................................................... 27917.12Terminal response confirmation in raw mode +SATF............................................................... 28017.13User confirmation for setup call in raw mode +SATD.............................................................. 28017.14Envelope download in raw mode +SATE.................................................................................28117.15Call and Short Message Control in Raw Mode +STKCTRLIND.................................................. 28117.16Terminal profile +UCATPROF...................................................................................................28217.17Proactive command indication in dedicated mode +UCATPROI................................................28317.18Proactive command notification in dedicated mode +UCATPRON............................................28417.19Terminal response in dedicated mode +UCATTR..................................................................... 28517.20Proactive Session Status in Dedicated Mode +UCATCNF..........................................................28617.21Envelope in Dedicated Mode +UCATENV................................................................................ 28617.22Call and Short Message Control in Dedicated Mode +UCATCC...............................................28717.23Proactive Command Indication in Raw Mode +URCATI........................................................... 28717.24Proactive Command Notification in Raw Mode +URCATN....................................................... 28817.25Terminal response in Raw Mode +URCATR............................................................................. 28817.26Proactive Session Status in Raw Mode +URCATF.....................................................................28917.27Envelope in Raw Mode +URCATE........................................................................................... 28917.28Call and Short Message Control in Raw Mode +URCATCC..................................................... 28917.29User setting for proactive DTMF tone generation +UDTMF......................................................290

18Packet switched data services................................................................................ 29218.1Introduction and common parameters definition.......................................................................29218.2PPP LCP handshake behaviour...................................................................................................29918.3Printing IP address format +CGPIAF.......................................................................................... 30018.4PDP context definition +CGDCONT........................................................................................... 30118.5Packet switched data configuration +UPSD............................................................................... 30218.6Packet switched data action +UPSDA........................................................................................30818.7Packet switched network-assigned data +UPSND...................................................................... 310

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18.8Quality of service profile (requested) +CGQREQ........................................................................ 31118.9Quality of service profile (minimum acceptable) +CGQMIN........................................................31218.10GPRS attach or detach +CGATT..............................................................................................31318.11Configure the auto attach to PS domain on power on +UCGATT............................................31418.12PDP context activate or deactivate +CGACT............................................................................31518.13Manual response to a network request for PDP context activation +CGANS............................ 31718.14Automatic response to a network request for PDP context activation +CGAUTO......................31818.15Enter data state +CGDATA..................................................................................................... 31918.16Enter IP state/GPRS IP dial D*................................................................................................. 32118.17Show PDP address +CGPADDR............................................................................................... 32218.18GPRS MS class configuration +CGCLASS.................................................................................32318.19GPRS MS class configuration at start up +UCGCLASS............................................................. 32418.20Device class setting +UCLASS..................................................................................................32418.21GPRS event reporting +CGEREP.............................................................................................. 32618.22GPRS network registration status +CGREG..............................................................................32918.23Extended Packet Switched network registration status +UREG.................................................33118.24Manual deactivation of a PDP context H................................................................................. 33218.25PDP Context Modify +CGCMOD............................................................................................. 33218.263G Quality of service profile (requested) +CGEQREQ...............................................................33318.273G Quality of service profile (minimum acceptable) +CGEQMIN.............................................. 33518.283G Quality of Service Profile (negotiated) +CGEQNEG.............................................................33718.29Define secondary PDP context +CGDSCONT........................................................................... 33818.30UE modes of operation for EPS +CEMODE..............................................................................33918.31EPS network registration status +CEREG................................................................................. 34018.32Delete non-active PDP contexts +CGDEL................................................................................. 34118.33Traffic flow template read dynamic parameters +CGTFTRDP....................................................34218.34Configure the authentication parameters of a PDP/EPS bearer +UAUTHREQ............................ 34318.35Send custom packets over a context +UTGSINK...................................................................... 34418.36Define EPS quality of service +CGEQOS.................................................................................. 34518.37EPS quality of service read dynamic parameters +CGEQOSRDP................................................34618.38Secondary PDP context read dynamic parameters +CGSCONTRDP...........................................34718.39UE's usage setting for EPS +CEUS...........................................................................................34818.40PDP Context Read Dynamic Parameters +CGCONTRDP........................................................... 34818.41Configure the initial PDP context +UCGDFLT...........................................................................35018.42Always-On mode parameters settings +CGPERMSET............................................................... 35218.43Always-On mode settings +CGPERMACT................................................................................ 35318.44Always-On mode check state +CGPERMSTATE........................................................................35318.45Traffic Flow Template +CGTFT................................................................................................ 35418.46Read counters of sent or received PSD data +UGCNTRD......................................................... 35618.47Set/reset counter of sent or received PSD data +UGCNTSET.................................................... 35718.48Uplink user data plane configuration +UDCONF=9..................................................................35718.49Multiple PDP contexts..............................................................................................................35818.50Primary and secondary PDP contexts....................................................................................... 358

19System features....................................................................................................... 36019.1Firmware installation +UFWINSTALL.......................................................................................... 36019.2Firmware update Over AT (FOAT) +UFWUPD.............................................................................36219.3Antenna detection +UANTR...................................................................................................... 36419.4RX antenna selection +UANT.................................................................................................... 36519.5ADC read command +UADC.....................................................................................................36619.6Power saving control (Power SaVing) +UPSV............................................................................. 36619.7End user test +UTEST................................................................................................................ 36919.8Smart temperature supervisor +USTS.........................................................................................37719.9MSPR profile handling configuration +UDCONF=40.................................................................. 37919.10Data channel configuration +UDATACHANNEL....................................................................... 380

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19.11Rx diversity +URXDIV...............................................................................................................38119.12RING line handling +URING.....................................................................................................38219.13CTS line state in case of disabled HW flow control+UCTS....................................................... 38319.14PPP/LCP silent mode configuration +UDCONF=0..................................................................... 38319.15F-DPCH/enhanced F-DPCH configuration +UDCONF=60.......................................................... 38419.16USB profiles configuration +UUSBCONF.................................................................................. 38419.17Establish ECM data connection +UCEDATA.............................................................................38619.18IPv6 configuration +UDCONF=66............................................................................................ 38819.19MCC update table +UNVMMCC............................................................................................. 38819.20PLMN information list +UNVMPLMN....................................................................................... 38919.21Network Friendly Mode (NFM) activation +UNFM.................................................................... 39119.22Network Friendly Mode (NFM) configuration +UNFMCONF..................................................... 39219.23Radio Policy Manager (RPM) activation +URPM....................................................................... 39419.24Restore factory configuration +UFACTORY..............................................................................39419.25KT remote reset KTCFUN........................................................................................................ 39519.26KT reading quality information KTDEVSTAT.............................................................................39619.27KT configuration command KTUBXCONF................................................................................ 39819.28Reject international calls KTUCALLREJ......................................................................................39819.29Request KT OTA opening *KTF*OPENING............................................................................... 39919.30Display the current UMTS environment KTUUMTSENV............................................................ 399

20GPIO.......................................................................................................................... 40120.1 Introduction...............................................................................................................................40120.2GPIO select configuration command +UGPIOC..........................................................................40820.3GPIO read command +UGPIOR................................................................................................. 41120.4GPIO set command +UGPIOW.................................................................................................. 411

21File System............................................................................................................... 41321.1 File tags.....................................................................................................................................41321.2Download file +UDWNFILE........................................................................................................ 41321.3List files information +ULSTFILE................................................................................................. 41421.4Read file +URDFILE....................................................................................................................41521.5Partial download file +URDBLOCK.............................................................................................41621.6Delete file +UDELFILE................................................................................................................ 41721.7File system limits....................................................................................................................... 418

22Audio interface........................................................................................................ 41922.1Audio path mode setting +USPM..............................................................................................41922.2I2S digital interface mode +UI2S................................................................................................42422.3Play audio resource +UPAR....................................................................................................... 43222.4Stop audio resource +USAR...................................................................................................... 43422.5Play audio file +UPLAYFILE........................................................................................................ 43522.6Stop audio file +USTOPFILE....................................................................................................... 43622.7Tone generator +UTGN............................................................................................................. 43722.8Ringing tone selection +URNG.................................................................................................. 43822.9SMS alert sound mode (Message Sound Muting) +UMSM.........................................................43922.10Master clock control +UMCLK.................................................................................................43922.11External device configuration +UEXTDCONF............................................................................44122.12Speech codec configuration +UDCONF=30............................................................................. 442

23Audio parameters tuning........................................................................................44423.1 Introduction...............................................................................................................................44423.2Microphone gain (Microphone Gain Control) +UMGC.............................................................. 45223.3Speaker Gain (Speaker Gain Control) +USGC............................................................................45423.4Sidetone configuration +USTN.................................................................................................. 45623.5Uplink Digital Filters (Uplink Biquad Filters) +UUBF.................................................................... 457

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23.6Downlink Digital Filters (Downlink Biquad Filters) +UDBF........................................................... 45923.7Hands-Free Parameters (Hands-Free Parameters) +UHFP............................................................ 46123.8Audio parameters tuning +UAPT...............................................................................................46823.9Volume gain control +UVGC.....................................................................................................470

24DNS............................................................................................................................47324.1Resolve name / IP number through DNS +UDNSRN................................................................... 47324.2Dynamic DNS update +UDYNDNS............................................................................................. 474

25TCP/IP UDP/IP........................................................................................................... 47725.1 Introduction...............................................................................................................................47725.2 IPv4/IPv6 addressing.................................................................................................................. 47725.3Create Socket +USOCR............................................................................................................. 47925.4SSL/TLS mode configuration on TCP socket +USOSEC............................................................... 47925.5Set socket option +USOSO........................................................................................................48025.6Get Socket Option +USOGO..................................................................................................... 48225.7Close Socket +USOCL............................................................................................................... 48325.8Get Socket Error +USOER..........................................................................................................48325.9Connect Socket +USOCO..........................................................................................................48425.10Write socket data +USOWR.................................................................................................... 48525.11SendTo command (UDP only) +USOST.................................................................................... 48725.12Read Socket Data +USORD..................................................................................................... 48825.13Receive From command (UDP only) +USORF........................................................................... 49025.14Set Listening Socket +USOLI....................................................................................................49125.15Firewall control +UFRW........................................................................................................... 49225.16HEX mode configuration +UDCONF=1.................................................................................... 49325.17Set socket in Direct Link mode +USODL..................................................................................49425.18UDP Direct Link Packet Size configuration +UDCONF=2.......................................................... 49625.19UDP Direct Link Sending timer configuration +UDCONF=3......................................................49625.20Timer Trigger configuration for Direct Link +UDCONF=5......................................................... 49725.21Data Length Trigger configuration for Direct Link +UDCONF=6............................................... 49725.22Character trigger configuration for Direct Link +UDCONF=7................................................... 49825.23Congestion timer configuration for Direct Link +UDCONF=8................................................... 49825.24Direct Link disconnect DSR line handling +UDCONF=10.......................................................... 49925.25Socket control +USOCTL......................................................................................................... 50025.26IP Change Notification +UIPCHGN.......................................................................................... 50125.27Socket Always On +USOAO.................................................................................................... 505

26SSL/TLS......................................................................................................................51026.1 Introduction...............................................................................................................................51026.2SSL/TLS certificates and private keys manager +USECMNG........................................................51026.3SSL/TLS security layer profile manager +USECPRF...................................................................... 51226.4AT+USECMNG command example............................................................................................ 514

27FTP............................................................................................................................. 51627.1FTP service configuration +UFTP................................................................................................ 51627.2FTP command +UFTPC.............................................................................................................. 51927.3FTP error +UFTPER.....................................................................................................................522

28HTTP.......................................................................................................................... 52328.1HTTP control +UHTTP................................................................................................................52328.2HTTP advanced control+UHTTPAC.............................................................................................52628.3HTTP command +UHTTPC......................................................................................................... 52728.4HTTP protocol error +UHTTPER..................................................................................................529

29SMTP......................................................................................................................... 53029.1SMTP control +USMTP.............................................................................................................. 530

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29.2SMTP mail control +USMTPM....................................................................................................53229.3SMTP command +USMTPC....................................................................................................... 53429.4SMTP error +USMTPER.............................................................................................................. 534

30PING...........................................................................................................................53630.1Ping command +UPING.............................................................................................................53630.2ICMP echo reply configuration +UDCONF=4............................................................................. 538

31GNSS..........................................................................................................................53931.1NMEA........................................................................................................................................53931.2GNSS power management +UGPS............................................................................................ 53931.3Assisted GNSS unsolicited indication +UGIND............................................................................54131.4GNSS profile configuration +UGPRF.......................................................................................... 54331.5AssistNow Online configuration +UGAOP..................................................................................54431.6AssistNow Offline configuration +UGAOF................................................................................. 54531.7Aiding server configuration +UGSRV......................................................................................... 54631.8GNSS aiding request command +UGAOS..................................................................................54831.9Send of UBX string +UGUBX.....................................................................................................54831.10GNSS indications timer +UGTMR.............................................................................................54931.11Get GNSS time and date +UGZDA..........................................................................................55031.12Get GNSS fix data +UGGGA................................................................................................... 55131.13Get geographic position +UGGLL............................................................................................55231.14Get number of GNSS satellites in view +UGGSV..................................................................... 55231.15Get recommended minimum GNSS data +UGRMC................................................................. 55331.16Get course over ground and ground speed +UGVTG.............................................................. 55431.17Get satellite information +UGGSA...........................................................................................55531.18Ask for localization information +ULOC.................................................................................. 55531.19Localization information request status unsolicited indication +ULOCIND.................................55831.20Specify the device autonomous solution +ULOCAID................................................................ 55931.21GNSS sensor configuration +ULOCGNSS................................................................................. 56031.22Configure cellular location sensor (CellLocate) +ULOCCELL................................................... 562

32Location Services......................................................................................................56432.1LCS positioning capabilities configuration +UDCONF=70...........................................................56432.2Mobile originated location request +CMOLR............................................................................. 56532.3Mobile terminated location request notification +CMTLR.......................................................... 56732.4Mobile terminated location request disclosure allowance +CMTLRA.......................................... 56832.5Report mobile originated location request error +CMOLRE........................................................56932.6LCS event notification +ULCSEVT.............................................................................................. 569

33DTMF......................................................................................................................... 57133.1DTMF detection +UDTMFD........................................................................................................57133.2Local and in-band DTMF tone generation configuration +UDCONF=31..................................... 572

34eCall...........................................................................................................................57434.1 Introduction...............................................................................................................................57434.2eIM sends and receives data +UECALLDATA............................................................................. 57534.3IVS eIM voice control +UECALLVOICE....................................................................................... 57734.4eCall configuration +UECALLSTAT.............................................................................................58134.5eCall and InBM test configuration +UDCONF=90......................................................................58234.6eCall type +UECALLTYPE...........................................................................................................58434.7 Initiate eCall +CECALL...............................................................................................................585

35 I2C.............................................................................................................................. 58735.1 Introduction...............................................................................................................................58735.2I2C open logical channel +UI2CO..............................................................................................58735.3I2C write to peripheral +UI2CW................................................................................................ 588

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35.4I2C read from peripheral +UI2CR.............................................................................................. 58935.5I2C read from peripheral register +UI2CREGR............................................................................58935.6I2C close logical channel +UI2CC.............................................................................................. 590

36SAP............................................................................................................................ 59136.1 Introduction...............................................................................................................................59136.2SAP mode activation +USAPMODE............................................................................................59136.3SAP mode indications +USAPIND.............................................................................................. 592

37Networking...............................................................................................................59437.1 Introduction...............................................................................................................................59437.2Change the boot mode configuration +UBMCONF................................................................... 59537.3Configure the USB IP network +UIPCONF................................................................................. 59537.4Get the USB IP configuration +UIPADDR................................................................................... 59637.5IP routing configuration +UIPROUTE..........................................................................................59837.6IP tables configuration +UIPTABLES........................................................................................... 59937.7Configure PDP/EPS bearer connection type over USB +UDPDP...................................................60137.8RNDIS driver optimization configuration +UDCONF=67............................................................. 601

38Wi-Fi.......................................................................................................................... 60338.1 Introduction...............................................................................................................................60338.2Web User Interface (WebUI)......................................................................................................60538.3Wi-Fi access point physical layer configuration +UWAPCFG.......................................................60638.4Wi-Fi access point network layer configuration +UWAPIPCFG....................................................60738.5Wi-Fi station physical layer configuration +UWSTACFG............................................................. 60838.6Wi-Fi station network layer configuration +UWSTAIPCFG.......................................................... 60938.7Wi-Fi access point connected stations list +UWAPSTALIST......................................................... 61038.8Wi-Fi access point MAC address +UWAPMACADDR................................................................. 61038.9Web user interface configuration +UWWEBUI...........................................................................61138.10Web user interface customization through FTP service +UWWEBUIFTP.................................... 61138.11Wi-Fi module power mode and connection manager +UWCFG...............................................61238.12Wi-Fi module firmware reset +UWFWRESET............................................................................ 61438.13Wi-Fi network scan +UWSCAN............................................................................................... 61538.14Maximum allowed output power configuration +UWMP.........................................................61638.15Wi-Fi regulatory domains block configuration +UWREGBLOCK................................................61738.16Wi-Fi test mode +UWTEST...................................................................................................... 618

AAppendix: Error result codes................................................................................... 620A.1Mobile termination error result codes +CME ERROR................................................................... 620A.2Message service failure result codes +CMS ERROR......................................................................623A.3+CEER error result codes............................................................................................................ 626A.4FWINSTALL error result codes..................................................................................................... 629A.5FOAT error result codes.............................................................................................................. 631A.6Dynamic DNS unsolicited indication codes.................................................................................. 632A.7Internal TCP/UDP/IP stack class error codes................................................................................. 632A.8 Internet suite error classes.......................................................................................................... 633A.9IP change notification error result codes..................................................................................... 638A.10Ping error result codes.............................................................................................................. 639A.11Mobile termination error result codes....................................................................................... 639

BAppendix: AT Commands List.................................................................................. 640B.1Parameters stored in profiles....................................................................................................... 673B.2Parameters stored in non volatile memory...................................................................................679B.3Saving AT commands configuration............................................................................................ 687B.4Estimated command response time............................................................................................. 687B.5Multiple AT command interfaces.................................................................................................688

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CAppendix: UDP Direct Link workflow......................................................................690C.1Data from the IP network to the external port............................................................................690C.2Data from the external port to the IP network............................................................................690

DAppendix: Glossary................................................................................................... 692

Related documents...................................................................................................... 695

Revision history........................................................................................................... 698

Contact..........................................................................................................................702

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Objective Specification 1AT command settingsPage 20 of 702

1AT command settingsu-blox cellular modules provide at least one physical serial interface, which is compliant to V.24ter [26]. At themodule power on the module enter t

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