u-blox at commands manual

CELL

ULAR

u-blox Cellular ModulesData and Voice ModulesAT Commands Manual

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

www.u-blox.com

UBX-13002752 - R56

u-blox Cellular Modules-AT Commands Manual

UBX-13002752 - R56

Page 2 of 875

Document Information

Title u-blox Cellular Modules

Subtitle Data and Voice Modules

Document type AT Commands Manual

Document number UBX-13002752

Revision and date R56 22-Nov-2017

Disclosure restriction

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, visit www.u-blox.com.Copyright 2017, u-blox AGu-blox is a registered trademark of u-blox Holding AG in the EU and other countries.


UBX-13002752 - R56

PrefacePage 3 of 875

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

LISA-U200-01S-00

LISA-U200-02S-01

LISA-U200-03S-00

LISA-U200-52S-01

LISA-U200-62S-01

LISA-U200-62S-02

21.21

22.40

22.90

23.41

22.86

22.90

22.90

-

-

A01.01

A01.01

A01.01

A01.01

A01.02

UBX-TN-12009

UBX-TN-12040

UBX-14005768

UBX-15020745

UBX-14005768

UBX-14005768

UBX-16017712LISA-U200 FOTA LISA-U200-83S-00 23.41 A01.01 UBX-15020745LISA-U201 LISA-U201-03A-00

LISA-U201-03A-01

LISA-U201-03S-00

23.41

23.41

23.41

A01.01

A01.02

A01.01

UBX-16010501

UBX-17010533

UBX-15020745LISA-U201 FOTA LISA-U201-83S-00 23.41 A01.02 UBX-16006079LISA-U230 LISA-U230-01S-01 22.40 A01.00 UBX-TN-12040LISA-U260 LISA-U260-01S-02

LISA-U260-02S-02

22.61

22.90

A01.02

A01.02

UBX-14042086

UBX-14042086LISA-U270 LISA-U270-01S-02

LISA-U270-02S-02

LISA-U270-62S-04

LISA-U270-62S-05

LISA-U270-62S-06

LISA-U270-63S-00

LISA-U270-68S-00

22.61

22.90

22.93

22.93

22.93

22.93

22.93

A01.02

A01.02

A01.02

A01.04

A01.05

A01.06

A01.03

UBX-TN-12061

UBX-13003492

UBX-13003492

UBX-15029938

UBX-16009934

UBX-16010383

UBX-15019240SARA-G300 SARA-G300-00S-00

SARA-G300-00S-01

08.58

08.58

-

A01.01

GSM.G2-TN-13007

UBX-16010060SARA-G310 SARA-G310-00S-00

SARA-G310-00S-01

08.58

08.58

-

A01.01

GSM.G2-TN-13007

UBX-16010060SARA-G340 SARA-G340-00S-00

SARA-G340-01S-00

SARA-G340-02S-00

08.49

08.70

08.90

-

-

A00.02

UBX-14000382

UBX-14039634

UBX-16001074SARA-G340 ATEX SARA-G340-02X-00 08.90 A00.02 UBX-16017766SARA-G350 SARA-G350-00S-00 08.49 - GSM.G2-TN-13002


UBX-13002752 - R56


Name Type number Modem version Application version PCN referenceSARA-G350-01S-00

SARA-G350-02A-01

SARA-G350-02S-00

SARA-G350-01B-00

08.70

08.90

08.90

TBD

-

A00.06

A00.02

-

UBX-14039634

UBX-17002293

UBX-16001074

TBDSARA-G350 ATEX SARA-G350-00X-00

SARA-G350-02X-00

08.49

08.90

-

A00.02

GSM.G2-TN-13002

UBX-16001074SARA-U201 SARA-U201-03A-00

SARA-U201-03B-00

SARA-U201-63B-00

SARA-U201-04A-00

SARA-U201-04B-00

23.60

23.60

23.62

23.60

23.60

A01.02

A01.01

A01.01

A01.06

A01.06

UBX-17012748

UBX-16018086

UBX-17053345

UBX-17058162

UBX-17058162SARA-U201 ATEX SARA-U201-03X-00

SARA-U201-04X-00

23.60

23.60

A01.01

A01.06

UBX-16030157

UBX-17058162SARA-U260 SARA-U260-00S-01

SARA-U260-03S-00

23.20

23.41

A01.01

A01.01

UBX-15013844

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

SARA-U270-00S-01

SARA-U270-03A-00

SARA-U270-03S-00

SARA-U270-53S-00

SARA-U270-53S-01

SARA-U270-73S-00

23.20

23.20

23.41

23.41

23.41

23.41

23.41

A01.00

A01.01

A01.01

A01.01

A01.03

A01.04

A01.02

UBX-14015739

UBX-16006754

UBX-17004455

UBX-15020745

UBX-16008757

UBX-17011151

UBX-16028821SARA-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-L4906 TOBY-L4906-00A-00

TOBY-L4906-00B-00

TOBY-L4906-50A-00

TBD

TBD

40.19

TBD

TBD

A00.02

TBD

TBD

UBX-17058711TOBY-L200 TOBY-L200-00S-00

TOBY-L200-00S-01

TOBY-L200-02S-00

TOBY-L200-02S-01

TOBY-L200-03S-00

09.71

09.71

15.90

15.90

15.90

A01.15

A01.30

A01.00

A01.10

A01.50

UBX-14044437

UBX-16026448

UBX-15029946

UBX-16031212

UBX-17022983TOBY-L201 TOBY-L201-01S-00

TOBY-L201-02S-00

09.93

For AT&T: 09.93For VZW: 09.94

A01.07

For AT&T: A02.50For VZW: A01.02

UBX-15021135

UBX-17013932

TOBY-L210 TOBY-L210-00S-00

TOBY-L210-02S-00

TOBY-L210-02S-01

TOBY-L210-03S-00

TOBY-L210-60S-00

TOBY-L210-60S-01

TOBY-L210-62S-00

09.71

15.63

15.63

15.63

09.94

09.94

16.05

A01.15

A01.03

A01.10

A01.50

A01.00

A01.01

A01.02

UBX-14044437

UBX-15029946

UBX-16031212

UBX-17022983

UBX-15021694

UBX-16005471

UBX-17003573TOBY-L220 TOBY-L220-02S-00

TOBY-L220-62S-00

15.93

16.04

A01.00

A01.00

UBX-16025501

UBX-17013073TOBY-L280 TOBY-L280-02S-00

TOBY-L280-02S-01

15.63

15.63

A01.03

A01.10

UBX-15029946

UBX-16031212


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Name Type number Modem version Application version PCN referenceTOBY-L280-03S-00 15.63 A01.50 UBX-17022983

TOBY-R200 TOBY-R200-02B-00

TOBY-R200-02B-01

30.31

30.31

A01.01

A02.00

UBX-17006265

UBX-17048314TOBY-R202 TOBY-R202-02B-00

TOBY-R202-02B-01

30.31

30.31

A01.01

A02.00

UBX-17006265

UBX-17048314LARA-R202 LARA-R202-02B-00 30.42 A01.00 UBX-17057959LARA-R203 LARA-R203-02B-00 30.39 A01.00 UBX-17048311LARA-R204 LARA-R204-02B-00 31.34 A01.00 UBX-17012269LARA-R211 LARA-R211-02B-00 30.31 A01.02 UBX-17012270LARA-R220 LARA-R220-62B-00 30.43 A01.01 UBX-17061668LARA-R280 LARA-R280-02B-00 30.43 A01.00 UBX-17056887MPCI-L200 MPCI-L200-00S-00

MPCI-L200-00S-01

MPCI-L200-02S-00

MPCI-L200-02S-01

MPCI-L280-03S-00

09.71

09.71

15.90

15.90

15.90

A01.15

A01.30

A01.00

A01.10

A01.50

UBX-14044437

UBX-16026448

UBX-15029946

UBX-16031212

UBX-17022983MPCI-L201 MPCI-L201-01S-00

MPCI-L201-02S-00

09.93

For AT&T: 09.93For VZW: 09.94

A01.07

For AT&T: A02.50For VZW: A01.02

UBX-15031360

UBX-17013932

MPCI-L210 MPCI-L210-00S-00

MPCI-L210-02S-00

MPCI-L210-02S-01

MPCI-L210-03S-00

MPCI-L210-60S-00

MPCI-L210-60S-01

09.71

15.63

15.63

15.63

09.94

09.94

A01.15

A01.03

A01.10

A01.50

A01.00

A01.01

UBX-14044437

UBX-15029946

UBX-16031212

UBX-17022983

UBX-15021694

UBX-16005471MPCI-L220 MPCI-L220-02S-00

MPCI-L220-62S-00

15.93

16.04

A01.00

A01.00

UBX-16025501

UBX-17013073MPCI-L280 MPCI-L280-02S-00

MPCI-L280-02S-01

MPCI-L280-03S-00

15.63

15.63

15.63

A01.03

A01.10

A01.50

UBX-15029946

UBX-16031212

UBX-17022983

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.


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command_nameTOBY-L2 MPCI-L2LISA-U110 LISA-U120 LISA-U130 LISA-U2

Modules

LEON-G1 SARA-G3Syntax PIN required Settings saved Can be aborted Response time Error referenceAttributesfull No No No - -

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

standard (i.e. L for LTE high data rate (Cat 3 and above), R for LTE low data rate (Cat 1 and below), U for UMTS/HSPA, G for GSM/GPRS). In each row the modules are grouped by: form factor (i.e. SARA, LISA), platformtechnology (e.g. SARA-G), platform generation (e.g. SARA-G3), product name (e.g. SARA-G350) and orderingcode (e.g. SARA-G350-00S). In example: if 'LISA-U2' is reported, the command applies to all the moduleshaving LISA form factor, second chipset version provided with any release of 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/or 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 execution

o Response time: estimated maximum time to get the final 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. This kind of response time is generally lowerthan the time measured by the application on the DTE, because the issuing of the command on theDTE is influenced by the AT interface characteristics (e.g. the synchronous/asynchronous transfer type, the selected baudrate, etc.), by power saving and flow control, which introduce a variable latency in thecommand acquisition by the DCE.

For example, the maximum expected response time shall be extended if the communication with themodule is carried out on a MUX virtual port, because in this case the command line and the resultcode are transferred via a specific protocol running on the physical port, that might introduce additionalcommunication delay due to framing and retransmissions.

Similarly, the maximum expected response time of AT commands accessing the SIM shall be extended ifthe module is using a remote SIM card via SAP instead of the local SIM card.

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).

The response time shall be extended if the issued AT command triggers a service that cannot be servedimmediately due to concurrent access to the same service or resource via AT commands issued on adifferent communication port or from internal applications; typical examples are registration commands


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and SIM access, that can be also autonomously triggered by the module (e.g. auto-COPS) and can thereforepostpone the execution of the AT commands issued by the user.

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

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 u-blox cellular modulehardware or software topics. See Related documents for application notes related to your cellular module.

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

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


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ContentsPage 8 of 875

Contents

1AT command settings..................................................................................................211.1 Definitions....................................................................................................................................211.2Profiles...........................................................................................................................................261.3S-parameters................................................................................................................................. 26

2General operation........................................................................................................272.1Start up and initialization.............................................................................................................. 272.2AT commands types......................................................................................................................28

3IPC - Inter Processor Communication.........................................................................303.1Multiplexing mode +CMUX...........................................................................................................30

4General..........................................................................................................................334.1Manufacturer identification +CGMI...............................................................................................334.2Manufacturer identification +GMI................................................................................................. 334.3Model identification +CGMM........................................................................................................334.4Model identification +GMM.......................................................................................................... 344.5Firmware version identification +CGMR.........................................................................................344.6Firmware version identification +GMR...........................................................................................354.7 IMEI identification +CGSN............................................................................................................. 354.8 IMEI identification +GSN............................................................................................................... 364.9 Identification information I............................................................................................................ 364.10TE character set configuration +CSCS......................................................................................... 374.11International mobile subscriber identification +CIMI.................................................................... 374.12Card identification +CCID........................................................................................................... 384.13Request complete capabilities list +GCAP....................................................................................384.14Display FGI settings +UFGI.......................................................................................................... 394.15Repeat last command A/............................................................................................................. 394.16List all available AT commands +CLAC........................................................................................404.17Help displaying all commands &H............................................................................................... 40

5Mobile equipment control and status....................................................................... 425.1Phone activity status +CPAS..........................................................................................................425.2Module switch off +CPWROFF...................................................................................................... 425.3Set module functionality +CFUN................................................................................................... 435.4 Indicator control +CIND.................................................................................................................455.5Configuration of indicator control +UCIND................................................................................... 475.6Mobile termination event reporting +CMER.................................................................................. 485.7Clock +CCLK.................................................................................................................................505.8Alarm +CALA................................................................................................................................ 505.9Delete alarm +CALD..................................................................................................................... 525.10Alert sound mode +CALM.......................................................................................................... 535.11Ringer sound level +CRSL............................................................................................................535.12Loudspeaker volume level +CLVL................................................................................................ 545.13Mute control +CMUT..................................................................................................................555.14Set greeting text +CSGT............................................................................................................. 565.15Automatic time zone update +CTZU........................................................................................... 565.16Time zone reporting +CTZR........................................................................................................ 575.17List current calls +CLCC.............................................................................................................. 585.18IMS single radio voice call continuity +CISRVCC..........................................................................60


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5.19Report mobile termination error +CMEE..................................................................................... 605.20Extended error report +CEER.......................................................................................................615.21Proprietary extended error report +UCEER...................................................................................62

6Call control................................................................................................................... 646.1Select type of address +CSTA....................................................................................................... 646.2Dial command D........................................................................................................................... 646.3Direct calling from phonebooks D>...............................................................................................666.4Select tone dialling T.....................................................................................................................676.5Select pulse dialling P....................................................................................................................676.6Call answer A................................................................................................................................686.7Hook control H............................................................................................................................. 686.8Monitor speaker loudness L.......................................................................................................... 696.9Monitor speaker mode M............................................................................................................. 696.10Call mode +CMOD..................................................................................................................... 706.11Hang up call +CHUP................................................................................................................... 706.12Single numbering scheme +CSNS................................................................................................716.13Set reporting call status +UCALLSTAT......................................................................................... 726.14Information to in-band-tones availability +UPROGRESS................................................................736.15Tone duration +VTD....................................................................................................................746.16DTMF and tone generation +VTS................................................................................................ 756.17Start and stop tone generation +UVTS........................................................................................766.18Redial last telephone number DL.................................................................................................766.19Automatic answer S0.................................................................................................................. 776.20Set voice mail number +CSVM....................................................................................................786.21Emergency call reporting configuration +UEMC.......................................................................... 786.22Emergency number verification +UEMN...................................................................................... 79

7Network service........................................................................................................... 807.1Subscriber number +CNUM...........................................................................................................807.2Signal quality +CSQ...................................................................................................................... 807.3Extended signal quality +CESQ......................................................................................................837.4Operator selection +COPS............................................................................................................. 847.5MCC update table +UNVMMCC...................................................................................................907.6PLMN information list +UNVMPLMN............................................................................................. 927.7Radio Access Technology (RAT) selection +URAT...........................................................................957.8Display EONS names +UEONS....................................................................................................... 977.9Display operator name +UDOPN................................................................................................... 987.10Preferred PLMN list selection +CPLS............................................................................................ 997.11PS operator selection +UCGOPS................................................................................................1007.12Network registration status +CREG........................................................................................... 1017.13HSDPA/HSUPA mode configuration +UHSDUPA........................................................................ 1047.14Preferred operator list +CPOL....................................................................................................1067.15Read operator names +COPN....................................................................................................1087.16Network emergency bearer services support +CNEM.................................................................1087.17Steering of Roaming configuration +UDCONF=20.....................................................................1097.18Fast Dormancy activation +UFDAC............................................................................................ 1107.19Fast Dormancy configuration +UDCONF=61..............................................................................1117.20Network selection control +PACSP............................................................................................ 1127.21Integrity check on test networks configuration +UDCONF=81................................................... 1137.22Select band +UBANDSEL........................................................................................................... 1137.23Select band +UACT...................................................................................................................1157.24Cell environment description +CGED.........................................................................................1187.25Neighbour cells configuration +UDCONF=83.............................................................................1297.26Channel and network environment description +UCGED...........................................................129


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7.27Provide cell information +UCELLINFO........................................................................................ 1347.28Lock on a specific cell +UCELLLOCK..........................................................................................1367.29Wireless service selection +WS46.............................................................................................. 1417.30Service specific access control restriction status +CSSAC........................................................... 1427.31Home zone reporting +UHOMEZR.............................................................................................1447.32Jamming detection +UCD......................................................................................................... 1447.33Smart jamming detection +UJAD.............................................................................................. 1477.34 IMSI detach +UCSDETACH........................................................................................................ 1487.35MNO configuration +UMNOCONF.............................................................................................1497.36PLMN list extensions +UMNOPLMN...........................................................................................1527.37LTE category configuration +ULTECAT.......................................................................................1547.38Edit Verizon wireless APN table +VZWAPNE..............................................................................1547.39Read RSRP values +VZWRSRP....................................................................................................1567.40Read RSRQ values +VZWRSRQ.................................................................................................. 1567.41Closed Subscriber Group +UCSG.............................................................................................. 1577.42Network Friendly Mode (NFM) activation +UNFM......................................................................1587.43Network Friendly Mode (NFM) configuration +UNFMCONF....................................................... 1597.44Radio Policy Manager (RPM) activation +URPM......................................................................... 1617.45Device Aggresion Management configuration +UDAMCFG....................................................... 1617.46PLMN search configuration in Out Of Coverage +UDCONF=55................................................. 1627.47Smart radio coverage manager configuration +UDCONF=57..................................................... 163

8IP Multimedia Subsystem (IMS)................................................................................1658.1 Introduction.................................................................................................................................1658.2IMS client configuration +UIMSCFG............................................................................................ 1658.3IMS client registration / deregistration in network +UIMSREG......................................................1688.4IMS configuration setting +UIMSCONF........................................................................................1698.5Read IMS configuration +UIMSRCONF.........................................................................................1728.6IMS registration information +CIREG...........................................................................................1738.7 IMS network reporting +CIREP....................................................................................................1748.8Availability for SMS using IMS +CASIMS..................................................................................... 1758.9Availability for voice calls with IMS +CAVIMS..............................................................................1758.10UE's Mobility Management IMS Voice Termination +CMMIVT................................................... 1768.11UE's voice domain preference UTRAN +CVDP........................................................................... 1768.12UE's voice domain preference E-UTRAN +CEVDP.......................................................................1778.13Domain configuration for MO SMS messages +UISMS.............................................................. 1788.14MO SMS mode configuration +UICMGSMODE......................................................................... 1788.15Send 3GPP2 SMS message +UCMGS3GPP2.............................................................................. 1798.16Enable/disable the 3GPP2 SMS URC +UCMT3GPP2................................................................... 179

9Security....................................................................................................................... 1829.1Enter PIN +CPIN.......................................................................................................................... 1829.2Read remaining SIM PIN attempts +UPINCNT..............................................................................1839.3Facility lock +CLCK......................................................................................................................1849.4Change password +CPWD.......................................................................................................... 1869.5Custom SIM lock +USIMLCK....................................................................................................... 186

10Phonebook................................................................................................................18910.1Select phonebook memory storage +CPBS................................................................................ 18910.2Read phonebook entries +CPBR................................................................................................ 19010.3Find phonebook entries +CPBF..................................................................................................19110.4Write phonebook entry +CPBW................................................................................................ 19310.5Read/rename phonebook group +UPBGR.................................................................................. 195

11Short Messages Service...........................................................................................19611.1 Introduction...............................................................................................................................196


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11.2Select message service +CSMS.................................................................................................. 19711.3Preferred message storage +CPMS............................................................................................19811.4Preferred message format +CMGF............................................................................................ 20011.5Save settings +CSAS..................................................................................................................20011.6Restore settings +CRES..............................................................................................................20111.7Show text mode parameters +CSDH......................................................................................... 20111.8New message indication +CNMI................................................................................................20211.9Incoming SMS/CBM indication via different AT interfaces +UDCONF=82................................... 20511.10Select service for MO SMS messages +CGSMS........................................................................20611.11Read message +CMGR............................................................................................................20711.12New message acknowledgement to MT +CNMA.................................................................... 20911.13List message +CMGL...............................................................................................................21011.14Send message (+CMGS/+CMSS) set commands conclusion configuration +UDCONF=13......... 21211.15Send message +CMGS............................................................................................................ 21311.16Write message to memory +CMGW....................................................................................... 21411.17Send message from storage +CMSS........................................................................................21511.18Set text mode parameters +CSMP...........................................................................................21611.19Delete message +CMGD......................................................................................................... 21711.20Primary notification event reporting +CPNER...........................................................................21711.21Service center address +CSCA.................................................................................................21811.22Select cell broadcast message types +CSCB.............................................................................21911.23Read concatenated message +UCMGR....................................................................................22011.24List concatenated message +UCMGL.......................................................................................22211.25Send concatenated message +UCMGS....................................................................................22511.26Write concatenated message to memory +UCMGW............................................................... 22611.27More messages to send +CMMS.............................................................................................22711.28Peek message +UCMGP.......................................................................................................... 22711.29Message waiting indication +UMWI........................................................................................ 22911.30Earthquake and Tsunami Warning System configuration +UETWCFG...................................... 23011.31Start ETWS notifications +UETWNTFYSTART............................................................................23111.32Stop ETWS notifications +UETWNTFYSTOP..............................................................................232

12Supplementary services...........................................................................................23412.1 Introduction...............................................................................................................................23412.2Call forwarding +CCFC............................................................................................................. 23412.3Call waiting +CCWA.................................................................................................................23612.4Calling line identification restriction +CLIR.................................................................................23812.5Calling line identification presentation +CLIP.............................................................................23912.6Connected line identification presentation +COLP..................................................................... 24012.7Connected line identification restriction +COLR.........................................................................24112.8Advice of charge +CAOC..........................................................................................................24112.9Accumulated call meter +CACM............................................................................................... 24212.10Call meter maximum event +CCWE........................................................................................ 24312.11Accumulated call meter maximum +CAMM............................................................................ 24312.12Price per unit and currency table +CPUC................................................................................ 24412.13Call related supplementary services +CHLD............................................................................. 24512.14Call deflection +CTFR.............................................................................................................. 24612.15Supplementary service notifications +CSSN............................................................................. 24612.16User to user signalling service 1 +CUUS1................................................................................ 24812.17Unstructured supplementary service data +CUSD.................................................................... 24912.18Closed user group +CCUG......................................................................................................25012.19Calling name presentation +CNAP.......................................................................................... 25112.20eMLPP priority registration and interrogation +CAEMLPP.........................................................25212.21eMLPP subscriptions +CPPS..................................................................................................... 25312.22Automatic answer for eMLPP service +CAAP...........................................................................253


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13Circuit switched data services................................................................................ 25513.1 Introduction...............................................................................................................................25513.2Select bearer service type +CBST...............................................................................................25513.3Connection type groups configuration +UDCONF=32............................................................... 25713.4Circuit switched data (CSD) configuration +UCSD.....................................................................25813.5Circuit switched data (CSD) action +UCSDA..............................................................................25913.6Circuit switched network-assigned data +UCSND......................................................................26013.7Service class selection and identification +FCLASS..................................................................... 26113.8Service reporting control +CR....................................................................................................26213.9Cellular result codes +CRC........................................................................................................26213.10Radio link protocol +CRLP.......................................................................................................264

14FAX class 2............................................................................................................... 26514.1 Introduction...............................................................................................................................26514.2Adaptive answer +FAA..............................................................................................................26514.3Address & polling capabilities +FAP...........................................................................................26514.4Buffer size +FBS........................................................................................................................ 26614.5Data bit order +FBO..................................................................................................................26614.6HDLC frame reporting +FBU......................................................................................................26714.7DS capabilities parameters +FCC............................................................................................... 26714.8Copy quality checking +FCQ..................................................................................................... 26814.9Capability to receive data +FCR................................................................................................ 26814.10Current session results +FCS................................................................................................... 26914.11DTE phase C response timeout +FCT...................................................................................... 26914.12Receive data +FDR...................................................................................................................27014.13Transmit Data +FDT.................................................................................................................27014.14Phase C received EOL alignment +FEA.................................................................................... 27014.15Format conversion +FFC.......................................................................................................... 27114.16Report file transfer diagnostic frame +FFD...............................................................................27214.17Call termination status +FHS................................................................................................... 27214.18Procedure interrupt enable +FIE.............................................................................................. 27214.19Initialize facsimile parameters +FIP...........................................................................................27314.20Current session parameters +FIS..............................................................................................27414.21 Inactivity timeout +FIT............................................................................................................. 27414.22Session termination +FKS, +FK................................................................................................ 27514.23Local ID string +FLI..................................................................................................................27514.24Set flow control +FLO............................................................................................................. 27614.25Indicate document to poll +FLP...............................................................................................27614.26Request manufacturer identification +FMI............................................................................... 27714.27Request model identification +FMM........................................................................................27714.28Request revision identification +FMR....................................................................................... 27714.29Minimum phase C speed +FMS.............................................................................................. 27814.30Negotiation reporting +FNR.....................................................................................................27814.31Non-standard frame FIF octet string +FNS............................................................................... 27914.32NSF message data indication +FND......................................................................................... 27914.33Selective polling address +FPA.................................................................................................28014.34Local polling ID string +FPI...................................................................................................... 28014.35Packet protocol control +FPP...................................................................................................28114.36Page status +FPS..................................................................................................................... 28114.37Password parameter +FPW......................................................................................................28214.38Receive quality thresholds +FRQ.............................................................................................. 28214.39Error correction mode retry count +FRY.................................................................................. 28314.40SubAddress parameter +FSA................................................................................................... 28314.41Request to poll +FSP............................................................................................................... 284


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14.42Fax intermediate result codes.................................................................................................. 284

15V24 control and V25ter...........................................................................................28515.1 Introduction...............................................................................................................................28515.2Circuit 109 behavior &C............................................................................................................28515.3Circuit 108/2 behavior &D.........................................................................................................28615.4DSR override &S........................................................................................................................ 28715.5Flow control &K........................................................................................................................ 28815.6DTE-DCE character framing +ICF...............................................................................................29015.7DTE-DCE local flow control +IFC............................................................................................... 29215.8Set flow control \Q................................................................................................................... 29415.9UART data rate configuration +IPR............................................................................................29515.10Return to on-line data state O................................................................................................ 29915.11Escape character S2................................................................................................................ 30015.12Command line termination character S3................................................................................. 30115.13Response formatting character S4........................................................................................... 30215.14Command line editing character S5........................................................................................ 30215.15Pause before blind dialling S6................................................................................................. 30315.16Connection completion timeout S7......................................................................................... 30315.17Command dial modifier time S8............................................................................................. 30415.18Automatic disconnect delay S10..............................................................................................30515.19Escape prompt delay (EPD) S12...............................................................................................30515.20Command echo E................................................................................................................... 30615.21Result code suppression Q...................................................................................................... 30615.22DCE response format V...........................................................................................................30715.23Result code selection and call progress monitoring control X...................................................30715.24Reset to default configuration Z..............................................................................................30815.25Set to factory defined configuration &F...................................................................................30815.26Store current configuration &W.............................................................................................. 30915.27Display current configuration &V.............................................................................................30915.28Designate a default reset profile &Y........................................................................................31015.29Parity bit transmission over the air +UTPB............................................................................... 311

16SIM management.....................................................................................................31416.1Generic SIM access +CSIM........................................................................................................ 31416.2Restricted SIM access +CRSM....................................................................................................31416.3Read the SIM language +CLAN.................................................................................................31616.4Check for UICC card +UUICC................................................................................................... 31616.5Customer service profile +UCSP................................................................................................ 31716.6SIM hot insertion configuration +UDCONF=50..........................................................................31716.7UICC application discovery +CUAD........................................................................................... 31916.8Open logical channel +CCHO....................................................................................................31916.9Close logical channel +CCHC....................................................................................................32016.10Generic UICC logical channel access +CGLA........................................................................... 32116.11Restricted UICC logical channel access +CRLA.........................................................................32216.12SIM states reporting +USIMSTAT.............................................................................................32316.13Answer To Reset contents +USIMATR..................................................................................... 32416.14Perform SIM switch +XSIMSWITCH......................................................................................... 325

17SIM toolkit................................................................................................................32617.1 Introduction...............................................................................................................................32617.2Terminal profile +STKPROF........................................................................................................ 32717.3Proactive command in dedicated mode +STKPRO......................................................................32717.4Terminal response in dedicated mode +STKTR.......................................................................... 33017.5Proactive session status in dedicated mode +STKCNF................................................................ 333


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17.6Bearer Independent Protocol status indication +UBIP.................................................................33417.7Default BIP APN configuration +UBIPAPN..................................................................................33517.8Envelope in dedicated mode +STKENV......................................................................................33517.9Call and short message control in dedicated mode +STKCC......................................................33617.10Proactive command indication in raw mode +SATI.................................................................. 33717.11Proactive command notification in raw mode +SATN.............................................................. 33717.12Send terminal response in raw mode +SATR........................................................................... 33717.13Terminal response confirmation in raw mode +SATF............................................................... 33817.14User confirmation for setup call in raw mode +SATD.............................................................. 33817.15Envelope download in raw mode +SATE.................................................................................33917.16Call and Short Message Control in Raw Mode +STKCTRLIND.................................................. 33917.17Terminal profile +UCATPROF...................................................................................................34017.18Proactive command indication in dedicated mode +UCATPROI................................................34117.19Proactive command notification in dedicated mode +UCATPRON............................................34217.20Terminal response in dedicated mode +UCATTR..................................................................... 34317.21Proactive Session Status in Dedicated Mode +UCATCNF..........................................................34417.22Envelope in Dedicated Mode +UCATENV................................................................................ 34417.23Call and Short Message Control in Dedicated Mode +UCATCC...............................................34517.24Proactive Command Indication in Raw Mode +URCATI........................................................... 34517.25Proactive Command Notification in Raw Mode +URCATN....................................................... 34617.26Terminal response in Raw Mode +URCATR............................................................................. 34617.27Proactive Session Status in Raw Mode +URCATF.....................................................................34717.28Envelope in Raw Mode +URCATE........................................................................................... 34717.29Call and Short Message Control in Raw Mode +URCATCC..................................................... 34717.30User setting for proactive DTMF tone generation +UDTMF......................................................34817.31Refresh delay events management +UDCONF=54................................................................... 349

18Packet switched data services................................................................................ 35018.1Introduction and common parameters definition.......................................................................35018.2PPP LCP handshake behaviour...................................................................................................35218.3Printing IP address format +CGPIAF.......................................................................................... 35318.4PDP context definition +CGDCONT........................................................................................... 35418.5Protocol configuration options configuration +UPCO................................................................ 35718.6IPv6 configuration +UDCONF=66.............................................................................................. 36018.7Packet switched data configuration +UPSD............................................................................... 36118.8Packet switched data action +UPSDA........................................................................................36718.9Packet switched network-assigned data +UPSND...................................................................... 36918.10Read PDP context DNS information +UDCONF=11.................................................................. 37018.11Dynamic DNS request +UDNS................................................................................................. 37018.12Quality of service profile (requested) +CGQREQ...................................................................... 37218.13Quality of service profile (minimum acceptable) +CGQMIN......................................................37318.14GPRS attach or detach +CGATT..............................................................................................37418.15Configure the auto attach to PS domain on power on +UCGATT............................................37518.16PDP context activate or deactivate +CGACT............................................................................37618.17Control ESM cause 52 handling +UDCONF=12....................................................................... 37918.18Manual response to a network request for PDP context activation +CGANS............................ 38018.19Automatic response to a network request for PDP context activation +CGAUTO......................38118.20Enter data state +CGDATA..................................................................................................... 38218.21Enter PPP state/GPRS dial-up D*............................................................................................. 38418.22Show PDP address +CGPADDR............................................................................................... 38518.23GPRS MS class configuration +CGCLASS.................................................................................38618.24GPRS MS class configuration at start up +UCGCLASS............................................................. 38718.25Device class setting +UCLASS..................................................................................................38818.26GPRS event reporting +CGEREP.............................................................................................. 39018.27GPRS network registration status +CGREG..............................................................................393


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18.28Extended Packet Switched network registration status +UREG.................................................39518.29Manual deactivation of a PDP context H................................................................................. 39618.30PDP context modify +CGCMOD.............................................................................................. 39618.313G Quality of service profile (requested) +CGEQREQ...............................................................39718.323G Quality of service profile (minimum acceptable) +CGEQMIN.............................................. 40118.333G Quality of Service Profile (negotiated) +CGEQNEG.............................................................40418.34Define secondary PDP context +CGDSCONT........................................................................... 40718.35UE modes of operation for EPS +CEMODE..............................................................................40818.36EPS network registration status +CEREG................................................................................. 41018.37Delete non-active PDP contexts +CGDEL................................................................................. 41218.38Traffic flow template read dynamic parameters +CGTFTRDP....................................................41218.39Configure the authentication parameters of a PDP/EPS bearer +UAUTHREQ............................ 41418.40Send custom packets over a context +UTGSINK...................................................................... 41518.41Define EPS quality of service +CGEQOS.................................................................................. 41618.42EPS quality of service read dynamic parameters +CGEQOSRDP................................................41718.43Secondary PDP context read dynamic parameters +CGSCONTRDP...........................................41818.44UE's usage setting for EPS +CEUS...........................................................................................41918.45PDP Context Read Dynamic Parameters +CGCONTRDP........................................................... 41918.46Configure the initial EPS bearer / PDP context +UCGDFLT....................................................... 42118.47Always-On mode parameters settings +CGPERMSET............................................................... 42318.48Always-On mode settings +CGPERMACT................................................................................ 42418.49Always-On mode check state +CGPERMSTATE........................................................................42518.50Traffic Flow Template +CGTFT................................................................................................ 42518.51Read counters of sent or received PSD data +UGCNTRD......................................................... 42818.52Set/reset counter of sent or received PSD data +UGCNTSET.................................................... 42918.53Uplink user data plane configuration +UDCONF=9..................................................................43018.54Multiple PDP contexts..............................................................................................................43018.55Primary and secondary PDP contexts....................................................................................... 431

19System features....................................................................................................... 43219.1Firmware installation +UFWINSTALL.......................................................................................... 43219.2Firmware update Over AT (FOAT) +UFWUPD.............................................................................43519.3Antenna detection +UANTR...................................................................................................... 43819.4RX antenna selection +UANT.................................................................................................... 43919.5Rx diversity +URXDIV.................................................................................................................44019.6ADC read command +UADC.....................................................................................................44119.7Power saving control (Power SaVing) +UPSV............................................................................. 44119.8End user test +UTEST................................................................................................................ 44519.9Smart temperature supervisor +USTS.........................................................................................45419.10MSPR profile handling configuration +UDCONF=40................................................................ 45519.11Data channel configuration +UDATACHANNEL....................................................................... 45619.12RING line handling +URING.....................................................................................................45819.13CTS line state in case of disabled HW flow control +UCTS...................................................... 45919.14PPP/LCP silent mode configuration +UDCONF=0..................................................................... 45919.15F-DPCH/enhanced F-DPCH configuration +UDCONF=60.......................................................... 46019.16USB profiles configuration +UUSBCONF.................................................................................. 46119.17Serial interfaces configuration selection +USIO........................................................................ 46319.18Establish ECM data connection +UCEDATA.............................................................................46519.19Start, stop and configure the OMA-DM client +UOMADM......................................................46719.20OMA-DM alert +UOMADMALERT........................................................................................... 46819.21OMA-DM repository access +UOMADMREP............................................................................ 46919.22Enable/disable OMA-DM unsolicited status messages +UOMASTAT.........................................47019.23Restore factory configuration +UFACTORY..............................................................................47119.24KT remote reset KTCFUN........................................................................................................ 47319.25KT reading quality information KTDEVSTAT.............................................................................473


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19.26KT configuration command KTUBXCONF................................................................................ 47519.27Reject international calls KTUCALLREJ......................................................................................47519.28Request KT OTA opening *KTF*OPENING............................................................................... 47619.29Display the current UMTS environment KTUUMTSENV............................................................ 47619.30Last gasp configuration +ULGASP........................................................................................... 478

20GPIO.......................................................................................................................... 48020.1 Introduction...............................................................................................................................48020.2GPIO select configuration command +UGPIOC..........................................................................48920.3GPIO read command +UGPIOR................................................................................................. 49220.4GPIO set command +UGPIOW.................................................................................................. 492

21File System............................................................................................................... 49421.1 File tags.....................................................................................................................................49421.2Download file +UDWNFILE........................................................................................................ 49521.3List files information +ULSTFILE................................................................................................. 49621.4Read file +URDFILE....................................................................................................................49821.5Partial download file +URDBLOCK.............................................................................................49921.6Delete file +UDELFILE................................................................................................................ 50021.7File system limits....................................................................................................................... 500

22Audio interface........................................................................................................ 50222.1Audio path mode setting +USPM..............................................................................................50222.2I2S digital interface mode +UI2S................................................................................................50822.3Play audio resource +UPAR....................................................................................................... 51722.4Stop audio resource +USAR...................................................................................................... 52022.5Play audio file +UPLAYFILE........................................................................................................ 52122.6Record audio file +URECFILE..................................................................................................... 52322.7Stop audio file +USTOPFILE....................................................................................................... 52522.8Play audio file +UAPLAY........................................................................................................... 52622.9Record audio file +UAREC.........................................................................................................52722.10Tone generator +UTGN........................................................................................................... 53022.11Ringing tone selection +URNG................................................................................................ 53122.12SMS alert sound mode (Message Sound Muting) +UMSM.......................................................53222.13Master clock control +UMCLK.................................................................................................53322.14External device configuration +UEXTDCONF............................................................................53422.15Speech codec information +USPEECHINFO.............................................................................. 53722.16Speech codec configuration +UDCONF=30............................................................................. 53822.17Waiting call tone configuration +UDCONF=33........................................................................ 54022.18Hardware audio path test +UMAAT........................................................................................ 540

23Audio parameters tuning........................................................................................54223.1 Introduction...............................................................................................................................54223.2Microphone gain (Microphone Gain Control) +UMGC.............................................................. 55423.3Speaker Gain (Speaker Gain Control) +USGC............................................................................55623.4Sidetone configuration +USTN.................................................................................................. 55823.5Uplink Digital Filters (Uplink Biquad Filters) +UUBF.................................................................... 55923.6Downlink Digital Filters (Downlink Biquad Filters) +UDBF........................................................... 56123.7Hands-Free Parameters (Hands-Free Parameters) +UHFP............................................................ 56423.8Audio parameters tuning +UAPT...............................................................................................57223.9Audio parameters tuning +UTI.................................................................................................. 57523.10Volume gain control +UVGC...................................................................................................57523.11Microphone analog and digital gains +UMAFE........................................................................57723.12Speaker analog and digital gains +USAFE................................................................................57823.13Microphone select +UMSEL.....................................................................................................578


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24DNS............................................................................................................................58024.1Resolve name / IP number through DNS +UDNSRN................................................................... 58024.2Dynamic DNS update +UDYNDNS............................................................................................. 581

25Internet protocol transport layer........................................................................... 58525.1 Introduction...............................................................................................................................58525.2 IPv4/IPv6 addressing.................................................................................................................. 58625.3Create Socket +USOCR............................................................................................................. 58725.4SSL/TLS mode configuration on TCP socket +USOSEC............................................................... 58825.5Set socket option +USOSO........................................................................................................58925.6Get Socket Option +USOGO..................................................................................................... 59025.7Close Socket +USOCL............................................................................................................... 59225.8Get Socket Error +USOER..........................................................................................................59225.9Connect Socket +USOCO..........................................................................................................59325.10Write socket data +USOWR.................................................................................................... 59425.11SendTo command (UDP only) +USOST.................................................................................... 59625.12Read Socket Data +USORD..................................................................................................... 59825.13Receive From command (UDP only) +USORF........................................................................... 60025.14Set Listening Socket +USOLI....................................................................................................60125.15Firewall control +UFRW........................................................................................................... 60225.16HEX mode configuration +UDCONF=1.................................................................................... 60325.17Set socket in Direct Link mode +USODL..................................................................................60425.18UDP Direct Link Packet Size configuration +UDCONF=2.......................................................... 60625.19UDP Direct Link Sending timer configuration +UDCONF=3......................................................60725.20Timer Trigger configuration for Direct Link +UDCONF=5......................................................... 60725.21Data Length Trigger configuration for Direct Link +UDCONF=6............................................... 60825.22Character trigger configuration for Direct Link +UDCONF=7................................................... 60825.23Congestion timer configuration for Direct Link +UDCONF=8................................................... 60925.24Direct Link disconnect DSR line handling +UDCONF=10.......................................................... 61025.25Socket control +USOCTL......................................................................................................... 61025.26IP Change Notification +UIPCHGN.......................................................................................... 61225.27Socket Always On +USOAO.................................................................................................... 616

26SSL/TLS......................................................................................................................62126.1 Introduction...............................................................................................................................62126.2SSL/TLS certificates and private keys manager +USECMNG........................................................62126.3SSL/TLS security layer profile manager +USECPRF...................................................................... 62426.4AT+USECMNG command example............................................................................................ 62626.5Notes.........................................................................................................................................627

27FTP............................................................................................................................. 62827.1FTP service configuration +UFTP................................................................................................ 62827.2FTP command +UFTPC.............................................................................................................. 63127.3FTP error +UFTPER.....................................................................................................................634

28HTTP.......................................................................................................................... 63528.1HTTP control +UHTTP................................................................................................................63528.2HTTP advanced control+UHTTPAC.............................................................................................63828.3HTTP command +UHTTPC......................................................................................................... 63928.4HTTP protocol error +UHTTPER..................................................................................................642

29SMTP......................................................................................................................... 64329.1SMTP control +USMTP.............................................................................................................. 64329.2SMTP mail control +USMTPM....................................................................................................64529.3SMTP command +USMTPC....................................................................................................... 64629.4SMTP error +USMTPER.............................................................................................................. 647


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30Ping........................................................................................................................... 64830.1Ping command +UPING.............................................................................................................64830.2ICMP echo reply configuration +UDCONF=4............................................................................. 650

31GNSS..........................................................................................................................65131.1NMEA........................................................................................................................................65131.2GNSS power management +UGPS............................................................................................ 65131.3Assisted GNSS unsolicited indication +UGIND............................................................................65331.4GNSS profile configuration +UGPRF.......................................................................................... 65531.5AssistNow Online configuration +UGAOP..................................................................................65731.6AssistNow Offline configuration +UGAOF................................................................................. 65831.7Aiding server configuration +UGSRV......................................................................................... 65931.8GNSS aiding request command +UGAOS..................................................................................66131.9Send of UBX string +UGUBX.....................................................................................................66131.10GNSS indications timer +UGTMR.............................................................................................66331.11Get GNSS time and date +UGZDA..........................................................................................66431.12Get GNSS fix data +UGGGA................................................................................................... 66431.13Get geographic position +UGGLL............................................................................................66531.14Get number of GNSS satellites in view +UGGSV..................................................................... 66631.15Get recommended minimum GNSS data +UGRMC................................................................. 66731.16Get course over ground and ground speed +UGVTG.............................................................. 66831.17Get satellite information +UGGSA...........................................................................................66831.18Ask for localization information +ULOC.................................................................................. 66931.19Ask for time information +UTIME............................................................................................67231.20Localization information request status unsolicited indication +ULOCIND.................................67431.21Specify the device autonomous solution +ULOCAID................................................................ 67531.22GNSS sensor configuration +ULOCGNSS................................................................................. 67631.23Configure cellular location sensor (CellLocate) +ULOCCELL................................................... 678

32Location Services......................................................................................................68032.1LCS positioning capabilities configuration +UDCONF=70...........................................................68032.2Mobile originated location request +CMOLR............................................................................. 68132.3Mobile terminated location request notification +CMTLR.......................................................... 68332.4Mobile terminated location request disclosure allowance +CMTLRA.......................................... 68432.5Report mobile originated location request error +CMOLRE........................................................68532.6LCS event notification +ULCSEVT..........................................................................................

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