Telit Wireless Solutions ME310G1 User manual

ME310G1/ME910G1/ML865G1
AT Commands Reference
Guide
80617ST10991A Rev. 11 –2021-09-23
Telit Technical Documentation

ME310G1/ME910G1/ML865G1 AT Commands Reference Guide
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Not Subject to NDA
APPLICABILITY TABLE
PRODUCTS
ME310G1-W1
ME310G1-WW
ME910G1-W1
ME910G1-WW
ME310G1-W2
ME310G1-W3
ML865G1-WW
ME310G1-WWV
ME910G1-WWV
ML865G1-WW1
SOFTWARE
37.00.xx4/M0C.xx0003
1
Software versions for voice and data only:
37.00.584/M0C.580003 for voice
37.00.504/M0C.500003 for data only.

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CONTENTS
APPLICABILITY TABLE 2
CONTENTS 3
1. INTRODUCTION 20
Scope 20
Audience 20
Contact Information, Support 20
Symbol Convention 21
2. COMMANDS 23
Definitions 23
AT Command Syntax 24
2.2.1. String Type Parameters 25
2.2.2. Command Lines 25
2.2.2.1. ME Error Result Code - +CME ERROR: <err> 26
2.2.2.2. Message Service Failure Result Code - +CMS ERROR: <err>34
2.2.2.3. Carriage Returns, Line Feeds and Log 36
2.2.3. Information Responses and Result Codes 36
2.2.4. Command Response Time-Out 37
2.2.5. Command Issuing Timing 38
Storage 38
2.3.1. Factory Profile and User Profiles 38
AT Command Short Overview Table 40
3. AT COMMANDS REFERENCES 41
Call & DTMF 41
3.1.1. AT+CHUP - Hang Up Call 41
3.1.2. AT#ECAM - Extended Call Monitoring 42
3.1.3. AT+VTS - DTMF Tones Transmission 45
3.1.4. AT+VTD - Tone Duration 47
General Control and Config 49
3.2.1. Command Line Prefixes 49
3.2.1.1. AT - Starting a Command Line 49

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3.2.1.2. A/ - Last Command Automatic Repetition 50
3.2.1.3. AT#/ - Repeat Last Command 51
3.2.2. Generic Modem Control 52
3.2.2.1. AT#SELINT - Select Interface Style 52
3.2.2.2. AT&F - Set to Factory-Defined Configuration 53
3.2.2.3. ATZ - Soft Reset 54
3.2.2.4. AT&Y - Default Reset Basic Profile Designation 55
3.2.2.5. AT&P - Default Reset Full Profile Designation 56
3.2.2.6. AT&W - Store Current Configuration 57
3.2.2.7. AT&N - Display Internal Phonebook Stored Numbers 58
3.2.2.8. AT#Z - Extended Reset 59
3.2.2.9. AT&V - Display some Configuration and Profile 60
3.2.2.10. AT+GCI - Country of Installation 62
3.2.2.11. AT+GCAP - Capabilities List 63
3.2.2.12. AT+GMI - Manufacturer Identification 64
3.2.2.13. AT+GMM - Model Identification 65
3.2.2.14. AT+GMR - Revision Identification 66
3.2.2.15. AT+GSN - Serial Number 67
3.2.2.16. AT+CGMI - Request Manufacturer Identification 68
3.2.2.17. AT+CGMM - Request Model Identification 69
3.2.2.18. AT+CGMR - Request Revision Identification 70
3.2.2.19. AT+CGSN - Request Product Serial Number Identification 71
3.2.2.20. AT#CGMI - Request Manufacturer Identification 72
3.2.2.21. AT#CGMR - Request Revision Identification 73
3.2.2.22. AT#CGSN - Product Serial Number Identification 74
3.2.2.23. AT#CGMF - Request Product Code 75
3.2.2.24. AT#SWPKGV - Request Software Package Version 76
3.2.2.25. AT+CPAS - Phone Activity Status 78
3.2.2.26. AT+CFUN - Set Phone Functionality 80
3.2.2.27. AT+CMER - Mobile Equipment Event Reporting 83
3.2.2.28. AT+CSVM - Set Voice Mail Number 86
3.2.2.29. AT#MBN - Mailbox Numbers 88

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3.2.2.30. AT#MWI - Message Waiting Indication 90
3.2.2.31. AT+CLAC - Available AT Commands 93
3.2.2.32. AT#LANG - Select Language 94
3.2.2.33. AT+CMEE - Report Mobile Equipment Error 95
3.2.2.34. AT#CEER - Extended Numeric Error Report 97
3.2.2.35. AT#PSMRI - Power Saving Mode Ring Indicator 100
3.2.2.36. AT+CSCS - Select TE Character Set 102
3.2.2.37. AT+CMUX - Multiplexing Mode 104
3.2.2.38. AT#USBCFG - USB Configuration 107
3.2.2.39. AT#PORTCFG - Connect Physical Ports to Service Access Points................109
3.2.2.40. AT#ATDELAY - AT Command Delay 112
3.2.2.41. AT&Z - Store Telephone Number in the Internal Phonebook113
3.2.2.42. AT&V2 - Display Last Connection Statistics 114
3.2.2.43. AT+IMEISV - Request IMEI and Software Version 115
3.2.2.44. AT#CGMM - Request Model Identification 117
3.2.2.45. AT&V0 - Display Current Configuration and Profile 118
3.2.2.46. AT#FWSWITCH - Set Active Firmware Image 119
3.2.2.47. AT#IMSPDPSET - IMS PDP APN Number Set 122
3.2.2.48. AT#TXCAL4G - Change Max TX Power Level for a Supported Band .............124
3.2.2.49. AT#TID - Request Telit ID 126
3.2.3. S Parameters 127
3.2.3.1. ATS0 - Number of Rings to Auto Answer 127
3.2.3.2. ATS1 - Ring Counter 129
3.2.3.3. ATS2 - Escape Character 130
3.2.3.4. ATS3 - Command Line Termination Character 131
3.2.3.5. ATS4 - Response Formatting Character 133
3.2.3.6. ATS5 - Command Line Editing Character 135
3.2.3.7. ATS7 - Connection Completion Time-Out 136
3.2.3.8. ATS12 - Escaper Prompt Delay 137
3.2.3.9. ATS25 - Delay to DTR Off 139
3.2.3.10. AT&V1 - S Registers Display 141
3.2.3.11. ATS10 - Carrier Off with Firm Time 143

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3.2.3.12. AT&V3 - Extended S Registers Display 144
3.2.4. DTE - Modem Interface Control 145
3.2.4.1. ATE - Command Echo 145
3.2.4.2. ATQ - Quiet Result Codes 146
3.2.4.3. ATV - Response Format 148
3.2.4.4. ATI - Identification Information 150
3.2.4.5. AT&C - Data Carrier Detect (DCD) Control 151
3.2.4.6. AT&D - Data Terminal Ready (DTR) Control 152
3.2.4.7. AT&K - Flow Control 153
3.2.4.8. AT&S - Data Set Ready (DSR) Control 154
3.2.4.9. AT+IPR - UART DCE Interface Data Rate Speed 155
3.2.4.10. AT#DTR - Data Terminal Ready (DTR) flow control 157
3.2.4.11. AT+IFC - DTE-Modem Local Flow Control 160
3.2.4.12. AT+ICF - DTE-Modem Character Framing 162
3.2.4.13. AT#SKIPESC - Skip Escape Sequence 164
3.2.4.14. AT#SETHEXSTR - Enable Input of Hex Coded Characters in String Constants
166
3.2.4.15. AT#E2ESC - Escape Sequence Guard Time 168
3.2.4.16. ATX - Extended Result Codes 169
3.2.5. Call (Voice and Data) Control 171
3.2.5.1. ATD - Dialup Connection 171
3.2.5.2. ATA - Answer Incoming call 175
3.2.5.3. ATH - Hang Up/Disconnect the Current Call 176
3.2.5.4. ATO - Return to ON-Line Mode 177
3.2.5.5. AT#ATDCECHECK - ATD CE Level Check 178
3.2.5.6. AT#DIALMODE - Set Dialing Mode 180
3.2.6. Modulation & Compression Control 182
3.2.6.1. AT%E - Line Quality and Auto Retrain 182
Network 183
3.3.1. AT+CNUM - Subscriber Number 183
3.3.2. AT+COPN - Read Operator Names 185
3.3.3. AT+CREG - Network Registration Status 187

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3.3.4. AT+COPS - Operator Selection 190
3.3.5. AT+CLCK - Facility Lock/Unlock 194
3.3.6. AT+CPWD - Change Facility Password 197
3.3.7. AT+CLIR - Calling Line Identification Restriction 199
3.3.8. AT+CLCC - List Current Calls 202
3.3.9. AT+CPOL - Preferred Operator List 205
3.3.10. AT+CPLS - Selection of Preferred PLMN List 208
3.3.11. AT+CSQ - Signal Quality 210
3.3.12. AT#SERVINFO - Serving Cell Information 213
3.3.13. AT#BCCHLOCK - Lock to Single BCCH ARFCN 216
3.3.14. AT#NWEN - Network Emergency Number Update 218
3.3.15. AT#PLMNUPDATE - Update PLMN List 220
3.3.16. AT#PLMNMODE - PLMN List Selection 222
3.3.17. AT#FPLMN - Periodical FPLMN Cleaning 223
3.3.18. AT#BND - Select Band 225
3.3.19. AT#BNDPRIEXT - Band Priority Setting 229
3.3.20. AT#AUTOBND - Automatic Band Selection 231
3.3.21. AT#ATUNERSEL - Select Antenna Tuner 232
3.3.22. AT#BNDTUNER - Antenna Tuner Configuration 234
3.3.23. AT#SNUM - Subscriber Number 238
3.3.24. AT#CODECINFO - Codec Information 240
3.3.25. AT#CEERNET - Extended Numeric Error Report for Network
Reject Cause 246
3.3.26. AT#CEERNETEXT - Extended Error Report for Network
Reject Cause 251
3.3.27. AT#CIPHIND - Ciphering Indication 254
3.3.28. AT#PSNT - Packet Service Network Type 256
3.3.29. AT#ENCALG - Set Encryption Algorithm 258
3.3.30. AT+CEMODE - Set Mode of Operation for EPS 262
3.3.31. AT+CESQ - Extended Signal Quality 264
3.3.32. AT#ENS - Enhanced Network Selection 267
3.3.33. AT+WS46 - PCCA STD-101 Select Wireless Network 269
3.3.34. AT+CEDRXS - eDRX Setting 271

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3.3.35. AT+CEDRXRDP - eDRX Read Dynamic Parameters 275
3.3.36. AT+CEREG - EPS Network Registration Status 277
3.3.37. AT#CPSMSCFG - PSM State Configuration 280
3.3.38. AT#RFSTS - Read Current Network Status 282
3.3.39. AT#SPN - Read SIM Field SPN 287
3.3.40. AT#CEDRXS - Extended eDRX Setting 288
3.3.41. AT#MONI - Cell Monitor 293
3.3.42. AT#LTESFN - LTE Frame Information 299
3.3.43. AT+CRCES - Reading Coverage Enhancement Status 300
3.3.44. AT#SNRSET - SNR Set Level 302
3.3.45. AT#IOTBND - CAT-M1 & NB-IoT Band Setting 303
3.3.46. AT#IRATTIMER - Inter RAT Timer Setting 305
3.3.47. AT#NB2ENA - Enable/Disable NB2 mode 307
3.3.48. AT+CLIP - Calling Line Identification Presentation 308
3.3.49. AT#WS46 - Select IoT Technology 311
SIM 313
3.4.1. AT+CPIN - Enter the PIN 313
3.4.2. AT#PCT - Display PIN Counter 317
3.4.3. AT+CCID - Read ICCID 319
3.4.4. AT+CIMI - International Mobile Subscriber Identity (IMSI) 320
3.4.5. AT#CIMI - International Mobile Subscriber Identity (IMSI) 321
3.4.6. AT#SIMDET - SIM Detection Mode 322
3.4.7. AT#SIMPR - SIM Presence Status 325
3.4.8. AT#CCID - Read ICCID 327
3.4.9. AT#QSS - Query SIM Status 328
3.4.10. AT+CRSM - Restricted SIM access 330
3.4.11. AT+CSIM - Generic SIM Access 334
3.4.12. AT+CCHO - Open Logical Channel 337
3.4.13. AT+CCHC - Close Logical Channel 339
3.4.14. AT+CGLA - Generic UICC Logical Channel Access 340
3.4.15. AT#VSIMSETPROF - Set Virtual SIM profile 342
3.4.16. AT#VSIMSTAT - Display general details of VSIM 344

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3.4.17. AT#VSIMVER - Get SIM version 346
3.4.18. AT+ICCID - Read ICCID 347
3.4.19. AT#SIMINCFG - SIMIN Pin Configuration 348
3.4.20. AT#SIMSELGPIOCFG - SIM Select 351
3.4.21. AT#FWAUTOSIM - Automatic Switch of Firmware Image by
SIM 352
3.4.22. AT#FIRSTNET - APN Automatic Switch by SIM 354
SIM Toolkit 356
3.5.1. AT#STIA - SIM/USIM Toolkit Interface Action 356
3.5.2. AT#STGI - SIM Toolkit Get Information 363
3.5.3. AT#STSR - SIM Toolkit Send Response 375
SMS & CB 379
3.6.1. AT+CSMS - Select Message Service 379
3.6.2. AT+CPMS - Preferred Message Storage 382
3.6.3. AT+CMGF - Message Format 385
3.6.4. AT+CSCA - Service Center Address 387
3.6.5. AT+CSMP - Set Text Mode Parameters 389
3.6.6. AT+CSDH - Show Text Mode Parameters 391
3.6.7. AT+CSAS - Save Settings 393
3.6.8. AT+CRES - Restore Settings 395
3.6.9. AT+CMMS - More Message to Send 397
3.6.10. AT+CNMI - New Message Indications to Terminal Equipment
399
3.6.11. AT+CNMA - New Message Acknowledgement 407
3.6.12. AT+CMGL - List Messages 412
3.6.13. AT+CMGR - Read Message 418
3.6.14. AT+CMGS - Send Short Message 424
3.6.15. AT+CMSS - Send Message from Storage 429
3.6.16. AT+CMGW - Write Short Message to Memory 431
3.6.17. AT+CMGD - Delete Message 437
3.6.18. AT+CGSMS - Select Service for MO SMS Messages 439
3.6.19. AT#SMSMODE - SMS Commands Operation Mode 441
3.6.20. AT#SMSRETRY - SMS Retry 443

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3.6.21. AT#CMGLCONCINDEX - Report Concatenated SMS Indexes444
3.6.22. AT#E2SMSRI - SMS Ring Indicator 446
3.6.23. AT#SMOV - SMS Overflow 448
3.6.24. AT#SMSMOVE - Move Short Message to other Memory 450
Phonebook 453
3.7.1. AT+CPBS - Select Phonebook Memory Storage 453
3.7.2. AT+CPBR - Read Phonebook Entries 456
3.7.3. AT+CPBF - Find Phonebook Entries 460
3.7.4. AT+CPBW - Write Phonebook Entry 464
3.7.5. AT#CPBGR - Read Group Entries 468
3.7.6. AT#CPBGW - Write Group Entry 471
3.7.7. AT#CPBD - Delete All Phonebook Entries 473
Time & Alarm 474
3.8.1. AT+CCLK - Clock Management 474
3.8.2. AT+CALA - Alarm Management 476
3.8.3. AT+CAPD - Postpone Alarm 482
3.8.4. AT+CSDF - Setting Date Format 483
3.8.5. AT+CTZR - Time Zone Reporting 486
3.8.6. AT+CTZU - Automatic Time Zone Update 488
3.8.7. AT#NITZ - Network Identity and Time Zone 490
3.8.8. AT#CCLK - Clock Management 493
3.8.9. AT#CCLKMODE - Clock Mode 495
3.8.10. AT#WAKE - Wake from Alarm Mode 497
3.8.11. AT+CSTF - Setting Time Format 499
3.8.12. AT+CALD - Delete Alarm 501
Audio 502
3.9.1. Audio Basic Configuration 502
3.9.1.1. AT+CRSL - Ringer Sound Level 502
3.9.1.2. AT+CLVL - Loudspeaker Volume Level 504
3.9.1.3. AT+CMUT - Microphone Mute Control 506
3.9.1.4. AT#ACDB - Audio Configuration 508
3.9.1.5. AT#OAP - Open Audio Loop 510

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3.9.2. Embedded DTMF Decoder & TTY 512
3.9.2.1. AT#DTMF - Embedded DTMF Decoder Enabling 512
3.9.3. Digital Voice Interface 514
3.9.3.1. AT#DVI - Digital Voiceband Interface 514
HW and Radio Control 516
3.10.1. AT#CBC - Battery and Charger Status 516
3.10.2. AT#TEMPCFG - Temperature Monitor Configuration 518
3.10.3. AT#GPIO - General Purpose Input/Output Pin Control 526
3.10.4. AT#ALARMPIN - Alarm Pin Configuration 532
3.10.5. AT#SLED - STAT_LED GPIO Setting 534
3.10.6. AT#SLEDSAV - Save STAT_LED GPIO Setting 537
3.10.7. AT#ADC - Read Analog/Digital Converter Input 538
3.10.8. AT#V24CFG - V24 Output Pins Configuration 540
3.10.9. AT#V24 - V24 Output Pins Control 542
3.10.10. AT#I2CWR - Write to I2C 544
3.10.11. AT#I2CRD - Read from I2C 546
3.10.12. AT#I2CCF - Combined Format for I2C Writing and Reading548
3.10.13. AT#TEMPMON - Temperature Monitor 551
3.10.14. AT#TESTMODE - Test Mode Configuration 555
Power Down 562
3.11.1. AT#REBOOT - Module Reboot 562
3.11.2. AT#ENHRST - Periodic Reset 563
3.11.3. AT#SHDN - Software Shutdown 565
3.11.4. AT#SYSHALT - System Turn-Off 566
3.11.5. AT#FASTSHDN - Fast Shutdown Configuration 568
3.11.6. AT#DGEN - Dying GASP Configuration 570
Easy Scan 576
3.12.1. AT#CSURV - Network Survey 576
3.12.2. AT#CSURVC - Network Survey (Numeric Format) 583
3.12.3. AT#CSURVF - Network Survey Format 587
3.12.4. AT#CSURVNLF - Network Survey CR LF Removing 589
3.12.5. AT#CSURVEXT - Extended Network Survey 590

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Jamming Detection and Report 591
3.13.1. AT#JDRENH2 - Enhanced Jamming Detection and Report591
3.13.2. AT#JDR4GCFG - LTE Jamming Detection Threshold
Configuration 596
Packet Domain 599
3.14.1. AT+CGDCONT - Define PDP Context 599
3.14.2. AT+CGPADDR - Show PDP Address 603
3.14.3. AT#AUTOATT - Auto-Attach Property 605
3.14.4. AT#BSRCFG - Buffer Status Reporting (BSR) Configuration606
3.14.5. AT#MSCLASS - Multislot Class Control 607
3.14.6. AT#GAUTH - PPP Data Connection Authentication Type 609
3.14.7. AT+CGAUTH - Define PDP Context Authentication
Parameters 611
3.14.8. AT+CGCONTRDP - PDP Context Read Dynamic Parameters613
3.14.9. AT+CGPIAF - Printing IP Address Format 616
3.14.10. AT+CGACT - PDP Context Activate or Deactivate 619
3.14.11. AT+CGEREP - Packet Domain Event Reporting 621
3.14.12. AT#PPPCFG - PPP Configuration 624
3.14.13. AT+CGREG - GPRS Network Registration Status 625
3.14.14. AT+CGATT - PS Attach or Detach 629
3.14.15. AT+CSODCP - Sending of Originating Data Via the Control
Plane 631
3.14.16. AT+CRTDCP - Reporting of Terminating Data Via the Control
Plane 633
IPEasy 635
3.15.1. AT#SGACT - Context Activation 635
3.15.2. AT#SGACTAUTH - PDP Context Authentication Type 638
3.15.3. AT#SGACTCFG - PDP Automatic Context Activation-
Reactivation 639
3.15.4. AT#SGACTCFGEXT - Extended PDP Context Configuration643
3.15.5. AT#SCFG - Socket Configuration 646
3.15.6. AT#SCFGEXT - Socket Configuration Extended 649
3.15.7. AT#SCFGEXT2 - Socket Configuration Extended 2 653

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3.15.8. AT#SKTRST - Socket Parameters Reset 658
3.15.9. AT#SD - Socket Dial 659
3.15.10. AT#SO - Socket Restore 663
3.15.11. AT#SH - Socket Shutdown 664
3.15.12. AT#SL - Socket Listen 665
3.15.13. AT#SLUDP - Socket Listen UDP 667
3.15.14. AT#SA - Socket Accept 670
3.15.15. AT#SSEND - Send Data in Command Mode 672
3.15.16. AT#SSENDEXT - Send Data in Command Mode extended 674
3.15.17. AT#SRECV - Socket Receive Data in Command Mode 677
3.15.18. AT#SSENDUDP - Send UDP Data to a Specific Remote Host679
3.15.19. AT#SSENDUDPEXT - Send UDP Data to a Specific Remote
Host EXTENDED 683
3.15.20. AT#SLASTCLOSURE - Detect the Cause of a Socket
Disconnection 685
3.15.21. AT#SS - Socket Status 688
3.15.22. AT#SI - Socket Info 691
3.15.23. AT#ST - Socket Type 694
3.15.24. AT#PADCMD - PAD Command Features 697
3.15.25. AT#PADFWD - PAD Forward Character 699
3.15.26. AT#BASE64 - Base64 Encoding/Decoding of Socket
Sent/Received Data 701
3.15.27. AT#FRWL - Firewall Setup 705
3.15.28. AT#E2SLRI - Socket Listen Ring Indicator 707
3.15.29. AT#ICMP - Ping Support 709
3.15.30. AT#PING - Send PING Request 711
3.15.31. AT#QDNS - Query DNS 714
3.15.32. AT#NWDNS - DNS from Network 716
3.15.33. AT#NTP - Calculate and Update Date and Time with NTP 718
3.15.34. AT#NTPCFG - Configure NTP Parameters 722
3.15.35. AT#SCFGEXT3 - Socket Configuration Extended 3 724
FTPEasy 727
3.16.1. AT#FTPAPP - FTP Append 727

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3.16.2. AT#FTPAPPEXT - FTP Append Extended 729
3.16.3. AT#FTPCLOSE - FTP Close Command 732
3.16.4. AT#FTPCMD - FTP Send Commands 733
3.16.5. AT#FTPCWD - FTP Change Working Directory 736
3.16.6. AT#FTPDELE - FTP Delete 737
3.16.7. AT#FTPFSIZE - Get File Size from FTP Server 738
3.16.8. AT#FTPGET - FTP Get Command 740
3.16.9. AT#FTPGETF - Receive and Store FTP Server Data 741
3.16.10. AT#FTPGETPKT - FTP Get in Command Mode 743
3.16.11. AT#FTPLIST - FTP List 745
3.16.12. AT#FTPMSG - FTP Read Message 746
3.16.13. AT#FTPOPEN - FTP Connection Opening 747
3.16.14. AT#FTPPUT - FTP Send File 749
3.16.15. AT#FTPPWD - FTP Print Working Directory 751
3.16.16. AT#FTPRECV - Receive Data in Command Mode 752
3.16.17. AT#FTPREST - Set Restart Position for FTP GET 755
3.16.18. AT#FTPTO - FTP Time Out 757
3.16.19. AT#FTPTYPE - FTP Type 758
3.16.20. AT#FTPCFG - FTP Configuration 760
SMTP 762
3.17.1. AT#ESMTP - E-mail SMTP Server 762
3.17.2. AT#EMAILMSG - SMTP Read Message 764
3.17.3. AT#SMTPCFG - Configure SMTP Parameters 765
3.17.4. AT#ERST - E-mail Parameters Reset 768
3.17.5. AT#ESAV - E-mail Parameters Save 769
3.17.6. AT#EUSER - E-mail Authentication User Name 770
3.17.7. AT#EMAILD - E-mail Sending 772
3.17.8. AT#EPASSW - E-mail Authentication Password 774
3.17.9. AT#EADDR - E-mail Sender Address 775
HTTP 777
3.18.1. AT#HTTPCFG - Configure HTTP Parameters 777
3.18.2. AT#HTTPQRY - Send HTTP GET, HEAD or DELETE Request781

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3.18.3. AT#HTTPSND - Send HTTP POST or PUT request 785
3.18.4. AT#HTTPRCV - Receive HTTP Server Data 789
SSL 791
3.19.1. AT#SSLCFG - Configure General Parameters of a SSL Socket
791
3.19.2. AT#SSLSECCFG - Configure Security Parameters of a SSL
Socket 797
3.19.3. AT#SSLSECCA - Manage the Security Data 802
3.19.4. AT#SSLEN - Enable a SSL Socket 807
3.19.5. AT#SSLD - Open a SSL Socket to a Remote Server 809
3.19.6. AT#SSLO - Restore a SSL Socket after a +++ 813
3.19.7. AT#SSLH - Close a SSL Socket 815
3.19.8. AT#SSLSEND - Send Data through a SSL Socket 816
3.19.9. AT#SSLRECV - Read Data from a SSL Socket 818
3.19.10. AT#SSLS - Report the Status of a SSL Socket 820
3.19.11. AT#SSLI - Secure Socket Info 823
3.19.12. AT#SSLSENDEXT - Send Data through a SSL Socket in
Command Mode 826
3.19.13. AT#SSLSECDATA - Manage the Security Data 828
3.19.14. AT#SSLSECCFG2 - Configure Additional Parameters of a
SSL Socket 835
CIoT Optimization 838
3.20.1. AT+CCIOTOPT - CIoT Optimization Configuration 838
3.20.2. AT#CCIOTOPT - CIoT Optimization Configuration 841
IoT Portal 844
3.21.1. AT+ODIS - Command for Saving and Retrieving the Odis
Parameters 844
3.21.2. AT#FOTAURC - Sets FOTA Extended URCs 847
FOTA & OMA 851
3.22.1. FOTA Legacy 851
3.22.1.1. AT#OTAUPW - OTA Delta Write 851
3.22.2. OMA-DM 852
3.22.2.1. AT#HOSTODIS - Host ODIS Parameters Management 852

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M2M 855
3.23.1. AT#M2MCHDIR - M2M File System Change Current
Directory 855
3.23.2. AT#M2MMKDIR - M2M File System Make Directory 857
3.23.3. AT#M2MBACKUP - M2M Set Backup Feature 859
3.23.4. AT#M2MRMDIR - M2M File System Remove Directory 861
3.23.5. AT+M2M - Enable/disable M2M Application execution 863
3.23.6. AT#M2MRUN - M2M Set Run File Permission 865
3.23.7. AT#M2MDEL - M2M Delete File 872
3.23.8. AT#M2MWRITE - M2M Write a File 874
3.23.9. AT#M2MLIST - M2M File System List 876
3.23.10. AT#M2MREAD - M2M Read File 879
3.23.11. AT#M2MREADEXT - M2M Read File Extended 881
3.23.12. AT#M2MRAM - AppZone RAM Info 884
3.23.13. AT#M2MARG - M2M Set Arguments 885
MQTT 888
3.24.1. AT#MQEN - Enable MQTT Feature 888
3.24.2. AT#MQCFG - Configure MQTT Parameters 890
3.24.3. AT#MQDISC - Log Out and Disconnect from the MQTT Broker
893
3.24.4. AT#MQCONN - Connect and Log in the MQTT Broker 894
3.24.5. AT#MQCFG2 - Configure Additional MQTT Parameters 897
3.24.6. AT#MQWCFG - Configure MQTT Last Will and Testament 899
3.24.7. AT#MQUNS - Unsubscribe from a Topic 902
3.24.8. AT#MQTCFG - Configure Timeout Parameters for MQTT
Transmission 903
3.24.9. AT#MQSUB - Subscribe to a Topic 905
3.24.10. AT#MQPUBS - Publish ASCII String 907
3.24.11. AT#MQREAD - Read Messages Received from the MQTT
Broker 909
3.24.12. MQTT-SN 912
3.24.12.1. AT#MQSNEN - Enable MQTT-SN feature 912
3.24.12.2. AT#MQSNCFG2 - Configure additional MQTT-SN parameters914

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3.24.12.3. AT#MQSNREG - Register to a Topic 917
3.24.12.4. AT#MQSNPUBS - Publish to the specific topic 919
3.24.12.5. AT#MQSNWCFG - Configure MQTT-SN last will and testament...................922
3.24.12.6. AT#MQSNSUB - Subscribe to a Topic 925
3.24.12.7. AT#MQSNCFG - Configure MQTT-SN parameters 928
3.24.12.8. AT#MQSNTCFG - Configure timeout parameters for MQTT-SN transmission
930
3.24.12.9. AT#MQSNDISC - Log out and disconnect from the MQTT-SN Gateway........932
3.24.12.10. AT#MQSNUNS - Unsubscribe from a Topic .................... 934
3.24.12.11.AT#MQSNREAD - Read messages received from the MQTT-SN Gateway ...936
3.24.12.12.AT#MQSNWTUP - Update MQTT-SN last will and testament Topic ............. 940
3.24.12.13.AT#MQSNWMUP - Update MQTT-SN last will and testament Message.......942
3.24.12.14. AT#MQSNSTATE - Set MQTT-SN client state ....................944
3.24.12.15. AT#MQSNSOCK - Enable/disable MQTT-SN client socket .................... 947
3.24.12.16. AT#MQSNCONN - Connect and log in the MQTT-SN Gateway ....................949
GNSS 953
3.25.1. GNSS Configuration 953
3.25.1.1. AT$GPSCFG - Set GNSS Configuration Parameters 953
3.25.2. GNSS Receiver 959
3.25.2.1. AT$GPSRST - Restore Default GPS Parameters 959
3.25.2.2. AT$GPSSAV - Save GNSS Parameters Configuration 960
3.25.2.3. AT$GPSP - GNSS Controller Power Management 961
3.25.3. GNSS General Management 963
3.25.3.1. AT$GPSSW - GNSS Software Version 963
3.25.3.2. AT$GPSR - Reset the GPS Controller 964
3.25.3.3. AT$GPSDPO - GNSS Set DPO 966
3.25.4. GNSS Positioning Information 968
3.25.4.1. AT$GPSNMUN - Unsolicited NMEA Data Configuration 968
3.25.4.2. AT$GPSACP - Get Acquired Position 973
3.25.4.3. AT$GNSSACP - Get Acquired Position 976
3.25.4.4. AT$GPSNMUNEX - Unsolicited NMEA Extended Data Configuration ...........980
3.25.4.5. AT$GNSSNMEA - Unsolicited NMEA Data Configuration 984

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3.25.4.6. AT#GTP - Get Position from GTP WWAN Service 988
3.25.4.7. AT#GTPEN - Enable the GTP WWAN Service 990
3.25.4.8. AT#GTPENA - Enable the GTP WWAN Service 992
3.25.5. Assisted GNSS 994
3.25.5.1. AT$AGNSS - Set AGNSS Enable 994
3.25.5.2. AT$AGNSSCFG - AGNSS Configuration 997
Mobile Broadband 1002
3.26.1. Ethernet Control Mode (ECM) 1002
3.26.1.1. AT#ECM - Ethernet Control Model Setup 1002
3.26.1.2. AT#ECMD - ECM Shutdown 1004
Non-IP Data Delivery (NIDD) 1006
3.27.1. AT#NIPDCFG - Define NIDD Parameters 1006
3.27.2. AT#NIPDCONN - Open and Close a NIDD Connection 1008
3.27.3. AT#NIPDSEND - Send MO Non-IP Data 1009
3.27.4. AT#NIPDRECV - Retrieve Non-IP Data 1011
IMS 1013
3.28.1. AT+CIREG - IMS registration state 1013
PSM (Power Saving Mode) 1015
3.29.1. AT+CPSMS - Power Saving Mode Setting 1015
3.29.2. AT#CPSMS - Power Saving Mode Setting 1020
3.29.3. AT#PSMURC - Power Saving Mode URC 1023
Debugging 1025
3.30.1. AT#TRACE - Enable/Disable Trace 1025
4. PRODUCT AND SAFETY INFORMATION 1030
Copyrights and Other Notices 1030
4.1.1. Copyrights 1030
4.1.2. Computer Software Copyrights 1030
Usage and Disclosure Restrictions 1031
4.2.1. License Agreements 1031
4.2.2. Copyrighted Materials 1031
4.2.3. High Risk Materials 1031
4.2.4. Trademarks 1031

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4.2.5. 3rd Party Rights 1032
4.2.6. Waiwer of Liability 1032
Safety Recommendations 1032
5. GLOSSARY 1034
6. DOCUMENT HISTORY 1037

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1. INTRODUCTION
Scope
This document is aimed to provide a detailed specification and a comprehensive listing for
reference for the entire AT command set.
Audience
Readers of this document should be familiar with Telit modules and their ease of
controlling by means of AT Commands.
Contact Information, Support
For general contacts, technical support services, technical questions and report of
documentation errors, contact Telit Technical Support at:
1. TS[email protected]
2. TS[email protected]
3. TS[email protected]
4. TS[email protected]
5. TS[email protected]
Alternatively, use:
https://www.telit.com/contact-us/
For detailed information about where you can buy the Telit modules or for
recommendations on accessories and components visit:
https://www.telit.com
Our aim is to make this guide as helpful as possible. Keep us informed of your comments
and suggestions for improvements.
Telit appreciates the user feedback on our information