User Manual

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Table Of Contents

Preface
- Applicable products
- How to use this Manual
- Summary table
- u-⁠blox Technical Documentation
- Questions
- Technical Support
Contents
1 AT command settings
- 1.1 Definitions
- 1.2 Storing of AT commands setting
- 1.3 S-parameters
2 General operation
- 2.1 Start up and initialization
  - 2.1.1 Auto-⁠registration
  - 2.1.2 Operational restrictions
- 2.2 AT commands types
3 IPC - Inter Processor Communication
- 3.1 Multiplexing mode +CMUX
  - 3.1.1 Description
  - 3.1.2 Syntax
  - 3.1.3 Defined values
  - 3.1.4 Notes
4 General
- 4.1 Manufacturer identification +CGMI
  - 4.1.1 Description
  - 4.1.2 Syntax
  - 4.1.3 Defined values
- 4.2 Manufacturer identification +GMI
  - 4.2.1 Description
  - 4.2.2 Syntax
  - 4.2.3 Defined values
- 4.3 Model identification +CGMM
  - 4.3.1 Description
  - 4.3.2 Syntax
  - 4.3.3 Defined values
- 4.4 Model identification +GMM
  - 4.4.1 Description
  - 4.4.2 Syntax
  - 4.4.3 Defined values
- 4.5 Firmware version identification +CGMR
  - 4.5.1 Description
  - 4.5.2 Syntax
  - 4.5.3 Defined values
- 4.6 Firmware version identification +GMR
  - 4.6.1 Description
  - 4.6.2 Syntax
  - 4.6.3 Defined values
- 4.7 IMEI identification +CGSN
  - 4.7.1 Description
  - 4.7.2 Syntax
  - 4.7.3 Defined values
  - 4.7.4 Notes
- 4.8 IMEI identification +GSN
  - 4.8.1 Description
  - 4.8.2 Syntax
  - 4.8.3 Defined values
- 4.9 Identification information I
  - 4.9.1 Description
  - 4.9.2 Syntax
  - 4.9.3 Defined values
- 4.10 TE character set configuration +CSCS
  - 4.10.1 Description
  - 4.10.2 Syntax
  - 4.10.3 Defined values
- 4.11 International mobile subscriber identification +CIMI
  - 4.11.1 Description
  - 4.11.2 Syntax
  - 4.11.3 Defined values
- 4.12 Card identification +CCID
  - 4.12.1 Description
  - 4.12.2 Syntax
  - 4.12.3 Defined values
  - 4.12.4 Notes
- 4.13 Repeat last command A/
  - 4.13.1 Description
  - 4.13.2 Syntax
5 Mobile equipment control and status
- 5.1 Module switch off +CPWROFF
  - 5.1.1 Description
  - 5.1.2 Syntax
- 5.2 Set module functionality +CFUN
  - 5.2.1 Description
  - 5.2.2 Syntax
  - 5.2.3 Defined values
  - 5.2.4 Notes
- 5.3 Indicator control +CIND
  - 5.3.1 Description
  - 5.3.2 Syntax
  - 5.3.3 Defined values
  - 5.3.4 Notes
- 5.4 Configuration of indicator control +UCIND
  - 5.4.1 Description
  - 5.4.2 Syntax
  - 5.4.3 Defined values
- 5.5 Mobile termination event reporting +CMER
  - 5.5.1 Description
  - 5.5.2 Syntax
  - 5.5.3 Defined values
- 5.6 Clock +CCLK
  - 5.6.1 Description
  - 5.6.2 Syntax
  - 5.6.3 Defined values
  - 5.6.4 Notes
- 5.7 Set greeting text +CSGT
  - 5.7.1 Description
  - 5.7.2 Syntax
  - 5.7.3 Defined values
- 5.8 Automatic time zone update +CTZU
  - 5.8.1 Description
  - 5.8.2 Syntax
  - 5.8.3 Defined values
  - 5.8.4 Notes
- 5.9 Report mobile termination error +CMEE
  - 5.9.1 Description
  - 5.9.2 Syntax
  - 5.9.3 Defined values
  - 5.9.4 Notes
6 Call control
- 6.1 Dial command D
  - 6.1.1 Description
  - 6.1.2 Syntax
  - 6.1.3 Defined values
  - 6.1.4 Notes
- 6.2 Call answer A
  - 6.2.1 Description
  - 6.2.2 Syntax
- 6.3 Hook control H
  - 6.3.1 Description
  - 6.3.2 Syntax
- 6.4 Automatic answer S0
  - 6.4.1 Description
  - 6.4.2 Syntax
  - 6.4.3 Defined values
  - 6.4.4 Notes
7 Network service
- 7.1 Subscriber number +CNUM
  - 7.1.1 Description
  - 7.1.2 Syntax
  - 7.1.3 Defined values
- 7.2 Signal quality +CSQ
  - 7.2.1 Description
  - 7.2.2 Syntax
  - 7.2.3 Defined values
  - 7.2.4 Notes
- 7.3 Extended signal quality +CESQ
  - 7.3.1 Description
  - 7.3.2 Syntax
  - 7.3.3 Defined values
- 7.4 Operator selection +COPS
  - 7.4.1 Description
  - 7.4.2 Syntax
  - 7.4.3 Defined values
  - 7.4.4 Notes
- 7.5 Radio Access Technology (RAT) selection +URAT
  - 7.5.1 Description
  - 7.5.2 Syntax
  - 7.5.3 Defined values
  - 7.5.4 Notes
- 7.6 Network registration status +CREG
  - 7.6.1 Description
  - 7.6.2 Syntax
  - 7.6.3 Defined values
  - 7.6.4 Notes
- 7.7 Network selection control +PACSP
  - 7.7.1 Description
  - 7.7.2 Syntax
  - 7.7.3 Defined values
  - 7.7.4 Notes
- 7.8 Channel and network environment description +UCGED
  - 7.8.1 Description
  - 7.8.2 Syntax
  - 7.8.3 Defined values
- 7.9 Edit Verizon wireless APN table +VZWAPNE
  - 7.9.1 Description
  - 7.9.2 Syntax
  - 7.9.3 Defined values
  - 7.9.4 Notes
- 7.10 Read RSRP values +VZWRSRP
  - 7.10.1 Description
  - 7.10.2 Syntax
  - 7.10.3 Defined values
- 7.11 Read RSRQ values +VZWRSRQ
  - 7.11.1 Description
  - 7.11.2 Syntax
  - 7.11.3 Defined values
- 7.12 eDRX setting +CEDRXS
  - 7.12.1 Description
  - 7.12.2 Syntax
  - 7.12.3 Defined values
  - 7.12.4 Notes
- 7.13 eDRX read dynamic parameters +CEDRXRDP
  - 7.13.1 Description
  - 7.13.2 Syntax
  - 7.13.3 Defined values
- 7.14 Set MNO profile +UMNOPROF
  - 7.14.1 Description
  - 7.14.2 Syntax
  - 7.14.3 Defined values
- 7.15 Band selection bitmask +UBANDMASK
  - 7.15.1 Description
  - 7.15.2 Syntax
  - 7.15.3 Defined values
8 Security
- 8.1 Enter PIN +CPIN
  - 8.1.1 Description
  - 8.1.2 Syntax
  - 8.1.3 Defined values
  - 8.1.4 Notes
- 8.2 Facility lock +CLCK
  - 8.2.1 Description
  - 8.2.2 Syntax
  - 8.2.3 Defined values
- 8.3 Change password +CPWD
  - 8.3.1 Description
  - 8.3.2 Syntax
  - 8.3.3 Defined values
  - 8.3.4 Notes
9 Short Messages Service
- 9.1 Introduction
  - 9.1.1 Class 0 SMS
  - 9.1.2 parameter range
  - 9.1.3 Limitations
- 9.2 Select message service +CSMS
  - 9.2.1 Description
  - 9.2.2 Syntax
  - 9.2.3 Defined values
  - 9.2.4 Notes
- 9.3 Preferred message storage +CPMS
  - 9.3.1 Description
  - 9.3.2 Syntax
  - 9.3.3 Defined values
  - 9.3.4 Notes
- 9.4 Preferred message format +CMGF
  - 9.4.1 Description
  - 9.4.2 Syntax
  - 9.4.3 Defined values
- 9.5 Save settings +CSAS
  - 9.5.1 Description
  - 9.5.2 Syntax
  - 9.5.3 Defined values
- 9.6 Restore settings +CRES
  - 9.6.1 Description
  - 9.6.2 Syntax
  - 9.6.3 Defined values
- 9.7 New message indication +CNMI
  - 9.7.1 Description
  - 9.7.2 Syntax
  - 9.7.3 Defined values
  - 9.7.4 Notes
- 9.8 Read message +CMGR
  - 9.8.1 Description
  - 9.8.2 Syntax
  - 9.8.3 Defined values
- 9.9 New message acknowledgement to MT +CNMA
  - 9.9.1 Description
  - 9.9.2 Syntax
  - 9.9.3 Defined values
- 9.10 List message +CMGL
  - 9.10.1 Description
  - 9.10.2 Syntax
  - 9.10.3 Defined values
- 9.11 Send message +CMGS
  - 9.11.1 Description
  - 9.11.2 Syntax
  - 9.11.3 Defined values
  - 9.11.4 Notes
- 9.12 Write message to memory +CMGW
  - 9.12.1 Description
  - 9.12.2 Syntax
  - 9.12.3 Defined values
- 9.13 Send message from storage +CMSS
  - 9.13.1 Description
  - 9.13.2 Syntax
  - 9.13.3 Defined values
- 9.14 Set text mode parameters +CSMP
  - 9.14.1 Description
  - 9.14.2 Syntax
  - 9.14.3 Defined values
- 9.15 Delete message +CMGD
  - 9.15.1 Description
  - 9.15.2 Syntax
  - 9.15.3 Defined values
- 9.16 Service center address +CSCA
  - 9.16.1 Description
  - 9.16.2 Syntax
  - 9.16.3 Defined values
- 9.17 Read concatenated message +UCMGR
  - 9.17.1 Description
  - 9.17.2 Syntax
  - 9.17.3 Defined values
- 9.18 List concatenated message +UCMGL
  - 9.18.1 Description
  - 9.18.2 Syntax
  - 9.18.3 Defined values
- 9.19 Send concatenated message +UCMGS
  - 9.19.1 Description
  - 9.19.2 Syntax
  - 9.19.3 Defined values
- 9.20 Write concatenated message to memory +UCMGW
  - 9.20.1 Description
  - 9.20.2 Syntax
  - 9.20.3 Defined values
- 9.21 More messages to send +CMMS
  - 9.21.1 Description
  - 9.21.2 Syntax
  - 9.21.3 Defined values
- 9.22 Sending of originating data via the control plane +CSODCP
  - 9.22.1 Description
  - 9.22.2 Syntax
  - 9.22.3 Defined values
- 9.23 Terminating data reporting via control plane +CRTDCP
  - 9.23.1 Description
  - 9.23.2 Syntax
  - 9.23.3 Defined values
10 V24 control and V25ter
- 10.1 Introduction
- 10.2 Circuit 109 behavior &C
  - 10.2.1 Description
  - 10.2.2 Syntax
  - 10.2.3 Defined values
  - 10.2.4 Notes
- 10.3 Circuit 108/2 behavior &D
  - 10.3.1 Description
  - 10.3.2 Syntax
  - 10.3.3 Defined values
  - 10.3.4 ~+++ behavior in PSD &D
  - 10.3.5 Circuit 108/2, +++ behavior for the different &D: summarizing tables
  - 10.3.6 Notes
- 10.4 DSR override &S
  - 10.4.1 Description
  - 10.4.2 Syntax
  - 10.4.3 Defined values
  - 10.4.4 Notes
- 10.5 Flow control &K
  - 10.5.1 Description
  - 10.5.2 Syntax
  - 10.5.3 Defined values
  - 10.5.4 Notes
  - 10.5.5 SW flow control enhancement for PSD data transfer with PPP L2 protocol
- 10.6 DTE-⁠DCE character framing +ICF
  - 10.6.1 Description
  - 10.6.2 Syntax
  - 10.6.3 Defined values
  - 10.6.4 Notes
- 10.7 DTE-⁠DCE local flow control +IFC
  - 10.7.1 Description
  - 10.7.2 Syntax
  - 10.7.3 Defined values
  - 10.7.4 Notes
- 10.8 Set flow control \Q
  - 10.8.1 Description
  - 10.8.2 Syntax
  - 10.8.3 Defined values
- 10.9 UART data rate configuration +IPR
  - 10.9.1 Description
  - 10.9.2 Syntax
  - 10.9.3 Defined values
  - 10.9.4 Notes
- 10.10 Return to on-⁠line data state O
  - 10.10.1 Description
  - 10.10.2 Syntax
  - 10.10.3 Defined values
  - 10.10.4 Notes
- 10.11 Escape character S2
  - 10.11.1 Description
  - 10.11.2 Syntax
  - 10.11.3 Defined values
  - 10.11.4 Notes
- 10.12 Command line termination character S3
  - 10.12.1 Description
  - 10.12.2 Syntax
  - 10.12.3 Defined values
- 10.13 Response formatting character S4
  - 10.13.1 Description
  - 10.13.2 Syntax
  - 10.13.3 Defined values
- 10.14 Command line editing character S5
  - 10.14.1 Description
  - 10.14.2 Syntax
  - 10.14.3 Defined values
- 10.15 Pause before blind dialling S6
  - 10.15.1 Description
  - 10.15.2 Syntax
  - 10.15.3 Defined values
- 10.16 Connection completion timeout S7
  - 10.16.1 Description
  - 10.16.2 Syntax
  - 10.16.3 Defined values
- 10.17 Command dial modifier time S8
  - 10.17.1 Description
  - 10.17.2 Syntax
  - 10.17.3 Defined values
- 10.18 Automatic disconnect delay S10
  - 10.18.1 Description
  - 10.18.2 Syntax
  - 10.18.3 Defined values
  - 10.18.4 Notes
- 10.19 Escape prompt delay (EPD) S12
  - 10.19.1 Description
  - 10.19.2 Syntax
  - 10.19.3 Defined values
- 10.20 Command echo E
  - 10.20.1 Description
  - 10.20.2 Syntax
  - 10.20.3 Defined values
- 10.21 Result code suppression Q
  - 10.21.1 Description
  - 10.21.2 Syntax
  - 10.21.3 Defined values
- 10.22 DCE response format V
  - 10.22.1 Description
  - 10.22.2 Syntax
  - 10.22.3 Defined values
- 10.23 Result code selection and call progress monitoring control X
  - 10.23.1 Description
  - 10.23.2 Syntax
  - 10.23.3 Defined values
- 10.24 Reset to default configuration Z
  - 10.24.1 Description
  - 10.24.2 Syntax
  - 10.24.3 Defined values
- 10.25 Set to factory defined configuration &F
  - 10.25.1 Description
  - 10.25.2 Syntax
  - 10.25.3 Defined values
- 10.26 Display current configuration &V
  - 10.26.1 Description
  - 10.26.2 Syntax
  - 10.26.3 Notes
11 SIM management
- 11.1 Generic SIM access +CSIM
  - 11.1.1 Description
  - 11.1.2 Syntax
  - 11.1.3 Defined values
- 11.2 Read the SIM language +CLAN
  - 11.2.1 Description
  - 11.2.2 Syntax
  - 11.2.3 Defined values
- 11.3 SIM states reporting +USIMSTAT
  - 11.3.1 Description
  - 11.3.2 Syntax
  - 11.3.3 Defined values
  - 11.3.4 Notes
12 SIM toolkit
- 12.1 Introduction
- 12.2 Bearer Independent Protocol status indication +UBIP
  - 12.2.1 Description
  - 12.2.2 Syntax
  - 12.2.3 Defined values
- 12.3 Read the USAT profile +CUSATR
  - 12.3.1 Description
  - 12.3.2 Syntax
  - 12.3.3 Defined values
- 12.4 Write the USAT profile +CUSATW
  - 12.4.1 Description
  - 12.4.2 Syntax
  - 12.4.3 Defined values
- 12.5 Enable USAT terminal URCs +UCUSATA
  - 12.5.1 Description
  - 12.5.2 Syntax
  - 12.5.3 Defined values
  - 12.5.4 Notes
13 Packet switched data services
- 13.1 PDP contexts and parameter definition
- 13.2 PPP LCP handshake behaviour
- 13.3 PDP context definition +CGDCONT
  - 13.3.1 Description
  - 13.3.2 Syntax
  - 13.3.3 Defined values
  - 13.3.4 Notes
- 13.4 Packet switched data configuration +UPSD
  - 13.4.1 Description
  - 13.4.2 Syntax
  - 13.4.3 Defined values
  - 13.4.4 Notes
- 13.5 GPRS attach or detach +CGATT
  - 13.5.1 Description
  - 13.5.2 Syntax
  - 13.5.3 Defined values
- 13.6 PDP context activate or deactivate +CGACT
  - 13.6.1 Description
  - 13.6.2 Syntax
  - 13.6.3 Defined values
  - 13.6.4 Notes
  - 13.6.5 Examples
- 13.7 Enter PPP state/GPRS dial-⁠up D*
  - 13.7.1 Description
  - 13.7.2 Local dial-up
  - 13.7.3 Syntax
  - 13.7.4 Defined values
  - 13.7.5 Notes
- 13.8 Show PDP address +CGPADDR
  - 13.8.1 Description
  - 13.8.2 Syntax
  - 13.8.3 Defined values
- 13.9 GPRS event reporting +CGEREP
  - 13.9.1 Description
  - 13.9.2 Syntax
  - 13.9.3 Defined values
  - 13.9.4 Explanation of URCs
- 13.10 GPRS network registration status +CGREG
  - 13.10.1 Description
  - 13.10.2 Syntax
  - 13.10.3 Defined values
  - 13.10.4 Notes
- 13.11 Manual deactivation of a PDP context H
  - 13.11.1 Description
  - 13.11.2 Syntax
- 13.12 UE modes of operation for EPS +CEMODE
  - 13.12.1 Description
  - 13.12.2 Syntax
  - 13.12.3 Defined values
  - 13.12.4 Notes
- 13.13 EPS network registration status +CEREG
  - 13.13.1 Description
  - 13.13.2 Syntax
  - 13.13.3 Defined values
  - 13.13.4 Notes
- 13.14 Delete non-⁠active PDP contexts +CGDEL
  - 13.14.1 Description
  - 13.14.2 Syntax
  - 13.14.3 Defined values
- 13.15 Configure the authentication parameters of a PDP/EPS bearer +UAUTHREQ
  - 13.15.1 Description
  - 13.15.2 Syntax
  - 13.15.3 Defined values
  - 13.15.4 Notes
- 13.16 PDP IP configuration when roaming +UDCONF=75
  - 13.16.1 Description
  - 13.16.2 Syntax
  - 13.16.3 Defined values
  - 13.16.4 Notes
- 13.17 Enable/Disable data when roaming +UDCONF=76
  - 13.17.1 Description
  - 13.17.2 Syntax
  - 13.17.3 Defined values
  - 13.17.4 Notes
14 System features
- 14.1 Firmware installation +UFWINSTALL
  - 14.1.1 Description
  - 14.1.2 Syntax
  - 14.1.3 Notes
- 14.2 Firmware update Over AT (FOAT) +UFWUPD
  - 14.2.1 Description
  - 14.2.2 Description
  - 14.2.3 Syntax
  - 14.2.4 Defined values
  - 14.2.5 Notes
- 14.3 Antenna detection +UANTR
  - 14.3.1 Description
  - 14.3.2 Syntax
  - 14.3.3 Defined values
  - 14.3.4 Notes
- 14.4 Power saving control (Power SaVing) +UPSV
  - 14.4.1 Description
  - 14.4.2 Syntax
  - 14.4.3 Defined values
  - 14.4.4 Notes
- 14.5 End user test +UTEST
  - 14.5.1 Description
  - 14.5.2 RF test description
  - 14.5.3 Syntax
  - 14.5.4 Defined values
  - 14.5.5 Notes
  - 14.5.6 SARA-⁠R4 Examples
  - 14.5.7 Digital pins testing description
  - 14.5.8 Syntax
  - 14.5.9 Defined values
  - 14.5.10 Notes
- 14.6 Internal temperature monitor +UTEMP
  - 14.6.1 Description
  - 14.6.2 Syntax
  - 14.6.3 Defined values
- 14.7 Power Saving Mode Setting +CPSMS
  - 14.7.1 Description
  - 14.7.2 Syntax
  - 14.7.3 Defined values
  - 14.7.4 Notes
- 14.8 Power Saving Mode Assigned Values +UCPSMS
  - 14.8.1 Description
  - 14.8.2 Syntax
  - 14.8.3 Defined values
  - 14.8.4 Notes
- 14.9 Set LWM2M FOTA URCs +ULWM2MSTAT
  - 14.9.1 Description
  - 14.9.2 Syntax
  - 14.9.3 Defined values
- 14.10 Cancel LWM2M FOTA Download +ULWM2M=0
  - 14.10.1 Description
  - 14.10.2 Syntax
- 14.11 uFOTA configuration +UFOTACONF
  - 14.11.1 Description
  - 14.11.2 Syntax
  - 14.11.3 Defined values
  - 14.11.4 Notes
- 14.12 Last gasp configuration +ULGASP
  - 14.12.1 Description
  - 14.12.2 Syntax
  - 14.12.3 Defined values
  - 14.12.4 Notes
- 14.13 LWM2M host device information +UHOSTDEV
  - 14.13.1 Description
  - 14.13.2 Syntax
  - 14.13.3 Defined values
- 14.14 RING line configuration +URINGCFG
  - 14.14.1 Description
  - 14.14.2 Syntax
  - 14.14.3 Defined values
  - 14.14.4 Notes
15 GPIO
- 15.1 Introduction
- 15.2 GPIO select configuration command +UGPIOC
  - 15.2.1 Description
  - 15.2.2 Syntax
  - 15.2.3 Defined values
- 15.3 GPIO read command +UGPIOR
  - 15.3.1 Description
  - 15.3.2 Syntax
  - 15.3.3 Defined values
  - 15.3.4 Notes
- 15.4 GPIO set command +UGPIOW
  - 15.4.1 Description
  - 15.4.2 Syntax
  - 15.4.3 Defined values
  - 15.4.4 Notes
16 File System
- 16.1 File tags
  - 16.1.1 Description
- 16.2 Download file +UDWNFILE
  - 16.2.1 Description
  - 16.2.2 Syntax
  - 16.2.3 Defined values
  - 16.2.4 Notes
- 16.3 List files information +ULSTFILE
  - 16.3.1 Description
  - 16.3.2 Syntax
  - 16.3.3 Defined values
- 16.4 Read file +URDFILE
  - 16.4.1 Description
  - 16.4.2 Syntax
  - 16.4.3 Defined values
  - 16.4.4 Notes
- 16.5 Partial read file +URDBLOCK
  - 16.5.1 Description
  - 16.5.2 Syntax
  - 16.5.3 Defined values
  - 16.5.4 Notes
- 16.6 Delete file +UDELFILE
  - 16.6.1 Description
  - 16.6.2 Syntax
  - 16.6.3 Defined values
- 16.7 Partial download file +UDWNBLOCK
  - 16.7.1 Description
  - 16.7.2 Syntax
  - 16.7.3 Defined values
  - 16.7.4 Notes
- 16.8 File system limits
  - 16.8.1 Limits
17 DNS
- 17.1 Resolve name / IP number through DNS +UDNSRN
  - 17.1.1 Description
  - 17.1.2 Syntax
  - 17.1.3 Defined values
  - 17.1.4 Notes
18 Internet protocol transport layer
- 18.1 Introduction
- 18.2 IPv4/IPv6 addressing
  - 18.2.1 Introduction
  - 18.2.2 IPv4
  - 18.2.3 IPv6
- 18.3 Create Socket +USOCR
  - 18.3.1 Description
  - 18.3.2 Syntax
  - 18.3.3 Defined values
- 18.4 SSL/TLS mode configuration on TCP socket +USOSEC
  - 18.4.1 Description
  - 18.4.2 Syntax
  - 18.4.3 Defined values
- 18.5 Set socket option +USOSO
  - 18.5.1 Description
  - 18.5.2 Syntax
  - 18.5.3 Defined values
  - 18.5.4 Notes
- 18.6 Get Socket Option +USOGO
  - 18.6.1 Description
  - 18.6.2 Syntax
  - 18.6.3 Defined values
  - 18.6.4 Notes
- 18.7 Close Socket +USOCL
  - 18.7.1 Description
  - 18.7.2 Syntax
  - 18.7.3 Defined values
  - 18.7.4 Notes
- 18.8 Get Socket Error +USOER
  - 18.8.1 Description
  - 18.8.2 Syntax
  - 18.8.3 Defined values
- 18.9 Connect Socket +USOCO
  - 18.9.1 Description
  - 18.9.2 Syntax
  - 18.9.3 Defined values
  - 18.9.4 Notes
- 18.10 Write socket data +USOWR
  - 18.10.1 Description
  - 18.10.2 Syntax
  - 18.10.3 Defined values
  - 18.10.4 Notes
- 18.11 SendTo command (UDP only) +USOST
  - 18.11.1 Description
  - 18.11.2 Syntax
  - 18.11.3 Defined values
  - 18.11.4 Notes
- 18.12 Read Socket Data +USORD
  - 18.12.1 Description
  - 18.12.2 Syntax
  - 18.12.3 Defined values
  - 18.12.4 Notes
- 18.13 Receive From command (UDP only) +USORF
  - 18.13.1 Description
  - 18.13.2 Syntax
  - 18.13.3 Defined values
  - 18.13.4 Notes
- 18.14 Set Listening Socket +USOLI
  - 18.14.1 Description
  - 18.14.2 Syntax
  - 18.14.3 Defined values
  - 18.14.4 Notes
- 18.15 HEX mode configuration +UDCONF=1
  - 18.15.1 Description
  - 18.15.2 Syntax
  - 18.15.3 Defined values
- 18.16 Set socket in Direct Link mode +USODL
  - 18.16.1 Description
  - 18.16.2 Syntax
  - 18.16.3 Defined values
  - 18.16.4 Enhanced Direct Link
- 18.17 UDP Direct Link Packet Size configuration +UDCONF=2
  - 18.17.1 Description
  - 18.17.2 Syntax
  - 18.17.3 Defined values
- 18.18 UDP Direct Link Sending timer configuration +UDCONF=3
  - 18.18.1 Description
  - 18.18.2 Syntax
  - 18.18.3 Defined values
- 18.19 Timer Trigger configuration for Direct Link +UDCONF=5
  - 18.19.1 Description
  - 18.19.2 Syntax
  - 18.19.3 Defined values
  - 18.19.4 Notes
- 18.20 Data Length Trigger configuration for Direct Link +UDCONF=6
  - 18.20.1 Description
  - 18.20.2 Syntax
  - 18.20.3 Defined values
- 18.21 Character trigger configuration for Direct Link +UDCONF=7
  - 18.21.1 Description
  - 18.21.2 Syntax
  - 18.21.3 Defined values
- 18.22 Congestion timer configuration for Direct Link +UDCONF=8
  - 18.22.1 Description
  - 18.22.2 Syntax
  - 18.22.3 Defined values
- 18.23 Socket control +USOCTL
  - 18.23.1 Description
  - 18.23.2 Syntax
  - 18.23.3 Defined values
  - 18.23.4 Notes
- 18.24 Configure Dormant Close Socket Behavior +USOCLCFG
  - 18.24.1 Description
  - 18.24.2 Syntax
  - 18.24.3 Defined values
19 SSL/TLS
- 19.1 Introduction
- 19.2 SSL/TLS certificates and private keys manager +USECMNG
  - 19.2.1 Description
  - 19.2.2 Syntax
  - 19.2.3 Defined values
  - 19.2.4 Notes
- 19.3 SSL/TLS security layer profile manager +USECPRF
  - 19.3.1 Description
  - 19.3.2 Syntax
  - 19.3.3 Defined values
  - 19.3.4 Notes
- 19.4 AT+USECMNG command example
- 19.5 Notes
20 FTP
- 20.1 FTP service configuration +UFTP
  - 20.1.1 Description
  - 20.1.2 Syntax
  - 20.1.3 Defined values
  - 20.1.4 Notes
- 20.2 FTP command +UFTPC
  - 20.2.1 Description
  - 20.2.2 Syntax
  - 20.2.3 Defined values
  - 20.2.4 Notes
- 20.3 FTP error +UFTPER
  - 20.3.1 Description
  - 20.3.2 Syntax
  - 20.3.3 Defined values
21 HTTP
- 21.1 HTTP control +UHTTP
  - 21.1.1 Description
  - 21.1.2 Syntax
  - 21.1.3 Defined values
  - 21.1.4 Notes
- 21.2 HTTP advanced control+UHTTPAC
  - 21.2.1 Description
  - 21.2.2 Syntax
  - 21.2.3 Defined values
  - 21.2.4 Examples and use cases
- 21.3 HTTP command +UHTTPC
  - 21.3.1 Description
  - 21.3.2 Syntax
  - 21.3.3 Defined values
  - 21.3.4 Notes
- 21.4 HTTP protocol error +UHTTPER
  - 21.4.1 Description
  - 21.4.2 Syntax
  - 21.4.3 Defined values
22 GNSS
- 22.1 NMEA
- 22.2 GNSS power management +UGPS
  - 22.2.1 Description
  - 22.2.2 Syntax
  - 22.2.3 Defined values
  - 22.2.4 Notes
- 22.3 Assisted GNSS unsolicited indication +UGIND
  - 22.3.1 Description
  - 22.3.2 Syntax
  - 22.3.3 Defined values
- 22.4 GNSS profile configuration +UGPRF
  - 22.4.1 Description
  - 22.4.2 Syntax
  - 22.4.3 Defined values
  - 22.4.4 Notes
- 22.5 Aiding server configuration +UGSRV
  - 22.5.1 Description
  - 22.5.2 Syntax
  - 22.5.3 Defined values
- 22.6 GNSS aiding request command +UGAOS
  - 22.6.1 Description
  - 22.6.2 Syntax
  - 22.6.3 Defined values
- 22.7 Send of UBX string +UGUBX
  - 22.7.1 Description
  - 22.7.2 Syntax
  - 22.7.3 Defined values
  - 22.7.4 Notes
- 22.8 GNSS indications timer +UGTMR
  - 22.8.1 Description
  - 22.8.2 Syntax
  - 22.8.3 Defined values
  - 22.8.4 Notes
- 22.9 Get GNSS time and date +UGZDA
  - 22.9.1 Description
  - 22.9.2 Syntax
  - 22.9.3 Defined values
- 22.10 Get GNSS fix data +UGGGA
  - 22.10.1 Description
  - 22.10.2 Syntax
  - 22.10.3 Defined values
- 22.11 Get geographic position +UGGLL
  - 22.11.1 Description
  - 22.11.2 Syntax
  - 22.11.3 Defined values
- 22.12 Get number of GNSS satellites in view +UGGSV
  - 22.12.1 Description
  - 22.12.2 Syntax
  - 22.12.3 Defined values
  - 22.12.4 Notes
- 22.13 Get recommended minimum GNSS data +UGRMC
  - 22.13.1 Description
  - 22.13.2 Syntax
  - 22.13.3 Defined values
- 22.14 Get course over ground and ground speed +UGVTG
  - 22.14.1 Description
  - 22.14.2 Syntax
  - 22.14.3 Defined values
- 22.15 Get satellite information +UGGSA
  - 22.15.1 Description
  - 22.15.2 Syntax
  - 22.15.3 Defined values
- 22.16 Ask for localization information +ULOC
  - 22.16.1 Description
  - 22.16.2 Syntax
  - 22.16.3 Defined values
  - 22.16.4 Notes
- 22.17 Localization information request status unsolicited indication +ULOCIND
  - 22.17.1 Description
  - 22.17.2 Syntax
  - 22.17.3 Defined values
- 22.18 GNSS sensor configuration +ULOCGNSS
  - 22.18.1 Description
  - 22.18.2 Syntax
  - 22.18.3 Defined values
  - 22.18.4 Notes
23 I2C
- 23.1 Introduction
- 23.2 I2C open logical channel +UI2CO
  - 23.2.1 Description
  - 23.2.2 Syntax
  - 23.2.3 Defined values
- 23.3 I2C write to peripheral +UI2CW
  - 23.3.1 Description
  - 23.3.2 Syntax
  - 23.3.3 Defined values
- 23.4 I2C read from peripheral +UI2CR
  - 23.4.1 Description
  - 23.4.2 Syntax
  - 23.4.3 Defined values
- 23.5 I2C read from peripheral register +UI2CREGR
  - 23.5.1 Description
  - 23.5.2 Syntax
  - 23.5.3 Defined values
- 23.6 I2C close logical channel +UI2CC
  - 23.6.1 Description
  - 23.6.2 Syntax
24 MQTT
- 24.1 MQTT profile configuration +UMQTT
  - 24.1.1 Description
  - 24.1.2 Syntax
  - 24.1.3 Defined values
  - 24.1.4 Notes
- 24.2 MQTT Will Topic configuration +UMQTTWTOPIC
  - 24.2.1 Description
  - 24.2.2 Syntax
  - 24.2.3 Defined values
  - 24.2.4 Notes
- 24.3 MQTT Will Message configuration +UMQTTWMSG
  - 24.3.1 Description
  - 24.3.2 Syntax
  - 24.3.3 Defined values
- 24.4 Save/Restore MQTT profile from NVM +UMQTTNV
  - 24.4.1 Description
  - 24.4.2 Syntax
  - 24.4.3 Defined values
- 24.5 MQTT command +UMQTTC
  - 24.5.1 Description
  - 24.5.2 Syntax
  - 24.5.3 Defined values
  - 24.5.4 Notes
- 24.6 MQTT error +UMQTTER
  - 24.6.1 Description
  - 24.6.2 Syntax
  - 24.6.3 Defined values
A Appendix: Error result codes
- A.1 Mobile termination error result codes +CME ERROR
- A.2 Message service error result codes +CMS ERROR
- A.3 Firmware install final result codes
  - A.3.1 SARA-⁠R4 / SARA-⁠N4 final result codes
- A.4 FOAT error result codes
  - A.4.1 SARA-⁠R4 / SARA-⁠N4 error result codes
- A.5 Internal TCP/UDP/IP stack class error codes
- A.6 Internet suite error classes
- A.7 MQTT error codes
  - A.7.1 MQTT supplimental error codes
B Appendix: AT Commands List
- B.1 Parameters stored in profiles
- B.2 Parameters stored in non volatile memory
- B.3 Saving AT commands configuration
- B.4 Estimated command response time
- B.5 Multiple AT command interfaces
C Appendix: UDP Direct Link workflow
- C.1 Data from the IP network to the external port
- C.2 Data from the external port to the IP network
D Appendix: Glossary
Related documents
Revision history
Contact

SARA-R4/N4 series-AT Commands Manual

UBX-17003787 - R11



AAppendix: Error result codes

Page 273 of 308

Numeric error code Description

250 Error in the MQTT Connect callback's parameters

251 Error in the MQTT Subscribe callback's parameters

252 Error in the MQTT Message callback's parameters

350 Error returned when attempting an MQTT Connection

360 Publish parameter invalid Error

361 Error returned when attempting an MQTT Publish

370 Subscribe parameter invalid Error

371 Error returned when attempting an MQTT Subscribe

380 Unsubscribe parameter invalid Error

381 Error returned when attempting an MQTT Unsubscribe

390 Error returned when attempting an MQTT Disconnect

400 Error returned when attempting an MQTT Destroy

410 Error due to PING Failure

411 Error response to IPv4 PING attempt

412 Error response to IPv6 PING attempt

500 Device Info Init Error

501 Device Info Release Error

502 Device Info Get Error

600 DSS Handle Error

601 DSS Init Error

602 DSS Get Device Name Error

603 DSS allocation Fail Error

604 DSS Get IP Address Error

700 DNS Get Server Fail Error

701 DNS Add Server Fail Error

702 DNS Client Start Fail Error

703 DNS Client Stop Fail Error

704 DNS Name Resolution Fail Error

1000 Start Data Call Fail Error

A.7.1MQTT supplimental error codes

The following table lists the available values of <suppl_error_code> parameter of the last MQTT operation

provided through +UMQTTER AT command (for more details see the AT+UMQTT and AT+UMQTTC

commands description).

Numeric error code Description

0 No error

-1 General error (QAPI)

-2 Invalid parameter (QAPI)

-3 Memory allocation error (QAPI)

-4 Resource allocation error (QAPI)

-6 Operation busy (QAPI)

-7 Entry not found (QAPI)

-8 Feature not supported (QAPI)

-9 Operation timed out (QAPI)

-10 Out of bounds (QAPI)

-11 Bad Payload (QAPI)

-12 Entry already exists (QAPI)

-20001 Error in own certificate (QAPI MQTT)

-20002 Error with SSL connection (QAPI MQTT)

-20003 Handshake must be completed before the operation can be attempted

(QAPI MQTT)

-20004 Received SSL warning alert message (QAPI MQTT)

-20005 Received SSL fatal alert message (QAPI MQTT)

-20006 Handshake in progress (QAPI MQTT)