Quectel EC25:EC21 ATCommands Manual
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EC25&EC21 AT Commands Manual LTE Module Series Rev. EC25&EC21_AT_Commands_Manual_V1.0 Date: 2016-05-30 www.quectel.com LTE Module Series EC25&EC21 AT Commands Manual Our aim is to provide customers with timely and comprehensive service. For any assistance, please contact our company headquarters: Quectel Wireless Solutions Co., Ltd. Office 501, Building 13, No.99, Tianzhou Road, Shanghai, China, 200233 Tel: +86 21 5108 6236 Email: info@quectel.com Or our local office. For more information, please visit: l e t l c a e i t u n Q ide f n o C http://www.quectel.com/support/salesupport.aspx For technical support, or to report documentation errors, please visit: http://www.quectel.com/support/techsupport.aspx Or email to: Support@quectel.com GENERAL NOTES QUECTEL OFFERS THE INFORMATION AS A SERVICE TO ITS CUSTOMERS. THE INFORMATION PROVIDED IS BASED UPON CUSTOMERS‟ REQUIREMENTS. QUECTEL MAKES EVERY EFFORT TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE. QUECTEL DOES NOT MAKE ANY WARRANTY AS TO THE INFORMATION CONTAINED HEREIN, AND DOES NOT ACCEPT ANY LIABILITY FOR ANY INJURY, LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR RELIANCE UPON THE INFORMATION. ALL INFORMATION SUPPLIED HEREIN IS SUBJECT TO CHANGE WITHOUT PRIOR NOTICE. COPYRIGHT THE INFORMATION CONTAINED HERE IS PROPRIETARY TECHNICAL INFORMATION OF QUECTEL CO., LTD. TRANSMITTING, REPRODUCTION, DISSEMINATION AND EDITING OF THIS DOCUMENT AS WELL AS UTILIZATION OF THE CONTENT ARE FORBIDDEN WITHOUT PERMISSION. OFFENDERS WILL BE HELD LIABLE FOR PAYMENT OF DAMAGES. ALL RIGHTS ARE RESERVED IN THE EVENT OF A PATENT GRANT OR REGISTRATION OF A UTILITY MODEL OR DESIGN. Copyright © Quectel Wireless Solutions Co., Ltd. 2016. All rights reserved. EC25&EC21_AT_Commands_Manual Confidential / Released 1 / 215 LTE Module Series EC25&EC21 AT Commands Manual About the Document History l e t l c a e i t u n Q ide f n o C Revision Date Author Description 1.0 2016-05-30 James CAI/ Bonnie ZHAO Initial EC25&EC21_AT_Commands_Manual Confidential / Released 2 / 215 LTE Module Series EC25&EC21 AT Commands Manual Contents About the Document ................................................................................................................................... 2 Contents ....................................................................................................................................................... 3 Table Index ................................................................................................................................................... 7 1 Introduction .......................................................................................................................................... 8 1.1. Scope of the Document ............................................................................................................. 8 1.2. AT Command Syntax ................................................................................................................. 8 1.3. Supported Character Sets ......................................................................................................... 9 1.4. AT Command Interface .............................................................................................................. 9 1.5. Unsolicited Result Code ............................................................................................................ 9 1.6. Turn off Procedure ................................................................................................................... 10 2 General Commands ........................................................................................................................... 11 2.1. ATI Display Product Identification Information ...................................................................... 11 2.2. AT+GMI Request Manufacturer Identification ...................................................................... 12 2.3. AT+GMM Request TA Model Identification ........................................................................... 12 2.4. AT+GMR Request TA Revision Identification of Software Release ..................................... 13 2.5. AT+CGMI Request Manufacturer Identification .................................................................... 13 2.6. AT+CGMM Request Model Identification ............................................................................. 14 2.7. AT+CGMR Request TA Revision Identification of Software Release ................................... 14 2.8. AT+GSN Request International Mobile Equipment Identity (IMEI) ...................................... 15 2.9. AT+CGSN Request Product Serial Number Identification ................................................... 16 2.10. AT&F Set all Current Parameters to Manufacturer Defaults ................................................ 16 2.11. AT&V Display Current Configuration .................................................................................... 17 2.12. AT&W Store Current Parameters to User Defined Profile .................................................... 18 2.13. ATZ Set all Current Parameters to User Defined Profile ...................................................... 18 2.14. ATQ Set Result Code Presentation Mode ............................................................................ 19 2.15. ATV TA Response Format .................................................................................................... 19 2.16. ATE Set Command Echo Mode ............................................................................................ 21 2.17. A/ Repeat Previous Command Line ..................................................................................... 21 2.18. ATS3 Set Command Line Termination Character................................................................. 22 2.19. ATS4 Set Response Formatting Character .......................................................................... 23 2.20. ATS5 Set Command Line Editing Character ........................................................................ 23 2.21. ATX Set CONNECT Result Code Format and Monitor Call Progress ................................. 24 2.22. AT+CFUN Set Phone Functionality ...................................................................................... 25 2.23. AT+CMEE Error Message Format ........................................................................................ 26 2.24. AT+CSCS Select TE Character Set...................................................................................... 27 2.25. AT+QURCCFG Configure URC Indication Option ............................................................... 28 3 Serial Interface Control Commands ................................................................................................ 30 3.1. AT&C Set DCD Function Mode ............................................................................................ 30 3.2. AT&D Set DTR Function Mode ............................................................................................. 30 3.3. AT+IFC Set TE-TA Local Data Flow Control ........................................................................... 31 l e t l c a e i t u n Q ide f n o C EC25&EC21_AT_Commands_Manual Confidential / Released 3 / 215 LTE Module Series EC25&EC21 AT Commands Manual 3.4. 3.5. 4 AT+ICF Set TE-TA Control Character Framing .................................................................... 32 AT+IPR Set TE-TA Fixed Local Rate .................................................................................... 33 Status Control Commands ............................................................................................................... 35 4.1. AT+CPAS Mobile Equipment Activity Status......................................................................... 35 4.2. AT+CEER Extended Error Report ........................................................................................ 36 4.3. AT+QCFG Extended Configuration Settings ........................................................................ 37 4.3.1. AT+QCFG="gprsattach" GPRS Attach Mode Configuration....................................... 38 4.3.2. AT+QCFG="nwscanmode" Network Search Mode Configuration.............................. 38 4.3.3. AT+QCFG="nwscanseq" Network Searching Sequence Configuration..................... 39 4.3.4. AT+QCFG="roamservice" Roam Service Configuration ............................................ 40 4.3.5. AT+QCFG="servicedomain" Service Domain Configuration ...................................... 41 4.3.6. AT+QCFG="band" Band Configuration ...................................................................... 42 4.3.7. AT+QCFG="hsdpacat" HSDPA Category Configuration............................................. 43 4.3.8. AT+QCFG="hsupacat" HSUPA Category Configuration ............................................ 44 4.3.9. AT+QCFG="rrc" RRC Release Version Configuration ............................................... 45 4.3.10. AT+QCFG="sgsn" UE SGSN Release Version Configuration ................................... 45 4.3.11. AT+QCFG="msc" UE MSC Release Version Configuration ....................................... 46 4.3.12. AT+QCFG="PDP/DuplicateChk" Establish Multi PDNs with the Same APN ............. 47 4.3.13. AT+QCFG="TDSCSQ" Set TDSCDMA RSSI Range ................................................. 47 l e t l c a e i t u n Q ide f n o C 5 SIM Related Commands .................................................................................................................... 49 5.1. AT+CIMI Request International Mobile Subscriber Identity (IMSI) ....................................... 49 5.2. AT+CLCK Facility Lock ......................................................................................................... 50 5.3. AT+CPIN Enter PIN .............................................................................................................. 52 5.4. AT+CPWD Change Password .............................................................................................. 54 5.5. AT+CSIM Generic SIM Access ............................................................................................. 55 5.6. AT+CRSM Restricted SIM Access ........................................................................................ 56 5.7. AT+QCCID Show ICCID ....................................................................................................... 57 5.8. AT+QPINC Display PIN Remainder Counter........................................................................ 58 5.9. AT+QSIMDET SIM Card Detection....................................................................................... 58 5.10. AT+QSIMSTAT SIM Inserted Status Report ......................................................................... 60 6 Network Service Commands ............................................................................................................ 62 6.1. AT+COPS Operator Selection .............................................................................................. 62 6.2. AT+CREG Network Registration........................................................................................... 64 6.3. AT+CSQ Signal Quality Report............................................................................................. 65 6.4. AT+CPOL Preferred Operator List ........................................................................................ 67 6.5. AT+COPN Read Operator Names ........................................................................................ 68 6.6. AT+CTZU Automatic Time Zone Update .............................................................................. 69 6.7. AT+CTZR Time Zone Reporting ........................................................................................... 70 6.8. AT+QNWINFO Query Network Information .......................................................................... 71 7 Call Related Commands .................................................................................................................... 74 7.1. ATA Answer an Incoming Call ............................................................................................... 74 7.2. ATD Mobile Originated Call to Dial a Number ...................................................................... 75 EC25&EC21_AT_Commands_Manual Confidential / Released 4 / 215 LTE Module Series EC25&EC21 AT Commands Manual 7.3. 7.4. 7.5. 7.6. 7.7. 7.8. 7.9. 7.10. 7.11. 7.12. 7.13. 7.14. 7.15. 7.16. 7.17. 7.18. 7.19. ATH Disconnect Existing Connection ................................................................................... 76 AT+CVHU Voice Hang up Control ........................................................................................ 77 AT+CHUP Hang up Call........................................................................................................ 78 +++ Switch from Data Mode to Command Mode ................................................................. 78 ATO Switch from Command Mode to Data Mode ................................................................ 79 ATS0 Set Number of Rings before Automatically Answering Call ........................................ 80 ATS6 Set Pause before Blind Dialing ................................................................................... 81 ATS7 Set Number of Seconds to Wait for Connection Completion...................................... 81 ATS8 Set the Number of Seconds to Wait for Comma Dial Modifier ................................... 82 ATS10 Set Disconnect Delay after Indicating the Absence of Data Carrier ......................... 82 AT+CBST Select Bearer Service Type ................................................................................. 83 AT+CSTA Select Type of Address ........................................................................................ 85 AT+CLCC List Current Calls of ME....................................................................................... 86 AT+CR Service Reporting Control ........................................................................................ 87 AT+CRC Set Cellular Result Codes for Incoming Call Indication ........................................ 88 AT+CRLP Select Radio Link Protocol Parameter ................................................................ 90 AT+QECCNUM Configure Emergency Call Numbers .......................................................... 91 l e t l c a e i t u n Q ide f n o C 8 Phonebook Commands ..................................................................................................................... 93 8.1. AT+CNUM Subscriber Number............................................................................................. 93 8.2. AT+CPBF Find Phonebook Entries ...................................................................................... 94 8.3. AT+CPBR Read Phonebook Entries .................................................................................... 95 8.4. AT+CPBS Select Phonebook Memory Storage.................................................................... 96 8.5. AT+CPBW Write Phonebook Entry....................................................................................... 97 9 Short Message Service Commands ................................................................................................. 99 9.1. AT+CSMS Select Message Service (Not Effective in CDMA Network) ............................... 99 9.2. AT+CMGF Message Format ............................................................................................... 100 9.3. AT+CSCA Service Center Address (Not Effective in CDMA Network) ............................... 101 9.4. AT+CPMS Preferred Message Storage .............................................................................. 102 9.5. AT+CMGD Delete Message ............................................................................................... 104 9.6. AT+CMGL List Messages ................................................................................................... 105 9.7. AT+CMGR Read Message ................................................................................................. 108 9.8. AT+CMGS Send Message .................................................................................................. 113 9.9. AT+CMMS More Messages to Send (Not Effective in CDMA Network) ............................ 114 9.10. AT+CMGW Write Message to Memory............................................................................... 115 9.11. AT+CMSS Send Message from Storage ............................................................................ 117 9.12. AT+CNMA New Message Acknowledgement to UE/TE (Not Effective in CDMA Network) 119 9.13. AT+CNMI SMS Event Reporting Configuration .................................................................. 120 9.14. AT+CSCB Select Cell Broadcast Message Types (Not Effective in CDMA Network) ........ 123 9.15. AT+CSDH Show SMS Text Mode Parameters (Not Effective in CDMA Network) ............. 124 9.16. AT+CSMP Set SMS Text Mode Parameters (Not Effective in CDMA Network) ................. 125 9.17. AT+QCMGS Send Concatenated Messages ..................................................................... 126 9.18. AT+QCMGR Read Concatenated Messages ..................................................................... 127 9.19. AT+QCSMP Set CDMA SMS Text Mode Parameters ........................................................ 129 EC25&EC21_AT_Commands_Manual Confidential / Released 5 / 215 LTE Module Series EC25&EC21 AT Commands Manual 9.20. 9.21. AT+QSMSR Read Message ............................................................................................... 130 AT+QSMSL List Messages ................................................................................................. 134 10 Packet Domain Commands ............................................................................................................ 139 10.1. AT+CGATT Attachment or Detachment of PS .................................................................... 139 10.2. AT+CGDCONT Define PDP Context .................................................................................. 140 10.3. AT+CGQREQ Quality of Service Profile (Requested) ........................................................ 141 10.4. AT+CGQMIN Quality of Service Profile (Minimum Acceptable) ......................................... 144 10.5. AT+CGEQREQ 3G Quality of Service Profile (Requested) ............................................... 147 10.6. AT+CGEQMIN 3G Quality of Service Profile (Minimum Acceptable) ................................. 151 10.7. AT+CGACT Activate or Deactivate PDP Context ............................................................... 155 10.8. AT+CGDATA Enter Data State ............................................................................................ 156 10.9. AT+CGPADDR Show PDP Address ................................................................................... 157 10.10. AT+CGCLASS GPRS Mobile Station Class ....................................................................... 158 10.11. AT+CGREG Network Registration Status........................................................................... 159 10.12. AT+CGEREP Packet Domain Event Reporting .................................................................. 161 10.13. AT+CGSMS Select Service for MO SMS Messages.......................................................... 163 10.14. AT+CEREG EPS Network Registration Status ................................................................... 164 10.15. AT+QGDCNT Packet Data Counter ................................................................................... 165 10.16. AT+QAUGDCNT Auto Save Packet Data Counter............................................................. 166 l e t l c a e i t u n Q ide f n o C 11 Supplementary Service Commands .............................................................................................. 168 11.1. AT+CCFC Call Forwarding Number and Conditions Control ............................................. 168 11.2. AT+CCWA Call Waiting Control .......................................................................................... 170 11.3. AT+CHLD Call Related Supplementary Services ............................................................... 172 11.4. AT+CLIP Calling Line Identification Presentation ............................................................... 174 11.5. AT+CLIR Calling Line Identification Restriction .................................................................. 175 11.6. AT+COLP Connected Line Identification Presentation....................................................... 176 11.7. AT+CSSN Supplementary Service Notifications ................................................................ 178 11.8. AT+CUSD Unstructured Supplementary Service Data ...................................................... 179 12 Audio Commands ............................................................................................................................ 181 12.1. AT+CLVL Loud Speaker Volume Level ............................................................................... 181 12.2. AT+CMUT Mute Control...................................................................................................... 182 12.3. AT+QAUDLOOP Enable Audio Loop Test .......................................................................... 182 12.4. AT+VTS DTMF and Tone Generation ................................................................................. 183 12.5. AT+VTD Set Tone Duration................................................................................................. 184 12.6. AT+QAUDMOD Set Audio Mode ........................................................................................ 185 12.7. AT+QDAI Digital Audio Interface Configure ........................................................................ 186 13 Hardware Related Commands ........................................................................................................ 188 13.1. AT+QPOWD Power off ....................................................................................................... 188 13.2. AT+CCLK Clock .................................................................................................................. 188 13.3. AT+CBC Battery Charge ..................................................................................................... 189 13.4. AT+QSCLK Configure Whether or Not to Enter into Sleep Mode ...................................... 190 14 Appendix ........................................................................................................................................... 192 EC25&EC21_AT_Commands_Manual Confidential / Released 6 / 215 LTE Module Series EC25&EC21 AT Commands Manual 14.1. 14.2. 14.3. 14.4. 14.5. 14.6. 14.7. 14.8. 14.9. Reference .............................................................................................................................. 192 Factory Default Settings Restorable with AT&F .................................................................... 193 AT Command Settings Storable with AT&W .......................................................................... 195 AT Command Settings Storable with ATZ ............................................................................. 196 Summary of CME ERROR Codes......................................................................................... 197 Summary of CMS ERROR Codes......................................................................................... 198 Summary of URC................................................................................................................... 200 SMS Character Sets Conversions ......................................................................................... 202 Release Cause Text List of AT+CEER .................................................................................. 209 l e t l c a e i t u n Q ide f n o C EC25&EC21_AT_Commands_Manual Confidential / Released 7 / 215 LTE Module Series EC25&EC21 AT Commands Manual Table Index TABLE 1: TYPES OF AT COMMANDS AND RESPONSES ....................................................................... 9 TABLE 2: AT&V RESPONSE ..................................................................................................................... 17 TABLE 3: ATV0&ATV1 RESULT CODES NUMERIC EQUIVALENTS AND BRIEF DESCRIPTION ........ 20 TABLE 4: PARAMETER CONFIGURATIONS SUPPORTED BY AT+CBST ............................................. 84 TABLE 5: DELAY CLASS ......................................................................................................................... 144 TABLE 6: RELATED DOCUMENTS ........................................................................................................ 192 TABLE 7: TERMS AND ABBREVIATIONS .............................................................................................. 192 TABLE 8: FACTORY DEFAULT SETTINGS RESTORABLE WITH AT&F .............................................. 193 TABLE 9: AT COMMAND SETTINGS STORABLE WITH AT&W ............................................................ 195 TABLE 10: AT COMMAND SETTINGS STORABLE WITH ATZ.............................................................. 196 TABLE 11: DIFFERENT CODING SCHEMES OF +CME ERROR:........................................... 197 TABLE 12: DIFFERENT CODING SCHEMES OF +CMS ERROR: ........................................... 199 TABLE 13: SUMMARY OF URC .............................................................................................................. 200 TABLE 14: THE WAY OF SMS TEXT INPUT OR OUTPUT .................................................................... 203 TABLE 15: THE INPUT CONVERSIONS TABLE (DCS=GSM 7 BIT AND AT+CSCS=“GSM”) .............. 203 TABLE 16: THE OUTPUT CONVERSIONS TABLE (DCS=GSM 7 BIT AND AT+CSCS=“GSM”) .......... 204 TABLE 17: GSM EXTENDED CHARACTERS ........................................................................................ 205 TABLE 18: THE INPUT CONVERSIONS TABLE (DCS=GSM 7 BIT AND AT+CSCS=“IRA”) ................ 205 TABLE 19: IRA EXTENDED CHARACTERS........................................................................................... 206 TABLE 20: THE OUTPUT CONVERSIONS TABLE (DCS=GSM 7 BIT AND AT+CSCS=“IRA”) ............ 207 TABLE 21: GSM EXTENDED CHARACTERS ........................................................................................ 208 TABLE 22: RELEASE CAUSE TEXT LIST OF AT+CEER....................................................................... 209 l e t l c a e i t u n Q ide f n o C EC25&EC21_AT_Commands_Manual Confidential / Released 7 / 215 LTE Module Series EC25&EC21 AT Commands Manual 1 Introduction 1.1. Scope of the Document l e t l c a e i t u n Q ide f n o C This document presents the AT Commands Set for Quectel cellular engine EC25&EC21. 1.2. AT Command Syntax The “AT” or “at” prefix must be set at the beginning of each command line. To terminate a command line enter . Commands are usually followed by a response that includes “ ”. Throughout this document, only the responses are presented, “ ” are omitted intentionally. The AT Commands Set implemented by EC25&EC21 is a combination of 3GPP TS 27.007, 3GPP TS 27.005 and ITU-T recommendation V.25ter as well as the AT Commands developed by Quectel. All these AT commands can be split into three categories syntactically: “basic”, “S parameter”, and “extended”. They are listed as follows: Basic syntax These AT commands have the format of “AT ”, or “AT& ”, where “ ” is the command, and “ ” is/are the argument(s) for that command. An example of this is “ATE ”, which tells the DCE whether received characters should be echoed back to the DTE according to the value of “ ”. “ ” is optional and a default will be used if it is missing. S parameter syntax These AT commands have the format of “ATS = ”, where “ ” is the index of the S register to set, and “ ” is the value to assign to it. Extended syntax These commands can be operated in several modes, as following table: EC25&EC21_AT_Commands_Manual Confidential / Released 8 / 215 LTE Module Series EC25&EC21 AT Commands Manual Table 1: Types of AT Commands and Responses Test Command AT+ =? This command returns the list of parameters and value ranges set by the corresponding Write Command or internal processes. Read Command AT+ ? This command returns the currently set value of the parameter or parameters. Write Command AT+ =<…> This command sets the user-definable parameter values. Execution Command AT+ This command reads non-variable parameters affected by internal processes in the UE. l e t l c a e i t u n Q ide f n o C 1.3. Supported Character Sets The EC25&EC21 AT command interface defaults to the GSM character set. The EC25&EC21 supports the following character sets: GSM format UCS2 IRA The character set can be configured and interrogated by using the “AT+CSCS” command (3GPP TS 27.007) and it is defined in 3GPP TS 27.005. The character set affects transmission and reception of SMS and SMS Cell Broadcast Messages, as well as the entry and display of phone book entries text field. 1.4. AT Command Interface The EC25&EC21 AT command interface includes two USB ports (USB MODEM port and USB AT port) and one main UART port. The main UART port and two USB ports support AT command and data transfer. 1.5. Unsolicited Result Code As an Unsolicited Result Code and a report message, URC is not issued as part of the response related to an executed AT command. URC is issued by the EC25&EC21 without being requested by the TE and it is issued automatically when a certain event occurs. Typical events leading to URCs are incoming calls (“RING”), received short messages, high/low voltage alarm, high/low temperature alarm etc. EC25&EC21_AT_Commands_Manual Confidential / Released 9 / 215 LTE Module Series EC25&EC21 AT Commands Manual 1.6. Turn off Procedure It is recommended to execute AT+QPOWD command to turn off the module, as it is the safest and best way. This procedure is realized by letting the module log off from the network and allowing the software to enter into a secure and safe data state before disconnecting the power supply. After sending AT+QPOWD, do not enter any other AT commands. The module outputs message “POWERED DOWN” and sets the STATE pin as low to enter into the shutdown state. In order to avoid data loss, it is suggested to wait for 1s to switch off the VBAT after the STATUS pin is set as low and the URC “POWERED DOWN” is outputted. If “POWERED DOWN” has not been received after 65s, the VBAT shall be switched off compulsorily. l e t l c a e i t u n Q ide f n o C EC25&EC21_AT_Commands_Manual Confidential / Released 10 / 215 LTE Module Series EC25&EC21 AT Commands Manual 2 General Commands 2.1. ATI Display Product Identification Information The ATI command delivers a product information text. ATI l e t l c a e i t u n Q ide f n o C Display Product Identification Information Execution Command ATI Response TA issues product information text. Quectel EC25 Revision: OK Maximum Response Time Reference V.25ter Parameter Example 300ms Revision of software release ATI Quectel EC25 Revision: EC25EFAR01A01M4G OK EC25&EC21_AT_Commands_Manual Confidential / Released 11 / 215 LTE Module Series EC25&EC21 AT Commands Manual 2.2. AT+GMI Request Manufacturer Identification AT+GMI returns a manufacturer identification text. See also: AT+CGMI. AT+GMI Request Manufacturer Identification Test Command AT+GMI=? Response OK Execution Command AT+GMI Response TA reports one or more lines of information text which permit the user to identify the manufacturer. Quectel l e t l c a e i t u n Q ide f n o C OK Maximum Response Time Reference V.25ter 2.3. AT+GMM 300ms Request TA Model Identification AT+GMM returns a product model identification text. The command is identical with AT+CGMM. AT+GMM Request TA Model Identification Test Command AT+GMM=? Execution Command AT+GMM Response OK Response TA returns a product model identification text. EC25 OK Maximum Response Time Reference V.25ter EC25&EC21_AT_Commands_Manual 300ms Confidential / Released 12 / 215 LTE Module Series EC25&EC21 AT Commands Manual 2.4. AT+GMR Request TA Revision Identification of Software Release AT+GMR delivers a product firmware version identification. The command is identical with AT+CGMR. AT+GMR Request TA Revision Identification of Software Release Test Command AT+GMR=? Response OK Execution Command AT+GMR Response TA reports one or more lines of information text which permit the user to identify the revision of software release. l e t l c a e i t u n Q ide f n o C OK Maximum Response Time Reference V.25ter Parameter 300ms Revision of software release Example AT+GMR EC25EFAR01A01M4G OK 2.5. AT+CGMI Request Manufacturer Identification AT+CGMI returns a manufacturer identification text. See also: AT+GMI. AT+CGMI Request Manufacturer Identification Test Command AT+CGMI=? Response OK Execution Command AT+CGMI Response TA returns manufacturer identification text. Quectel EC25&EC21_AT_Commands_Manual Confidential / Released 13 / 215 LTE Module Series EC25&EC21 AT Commands Manual OK Maximum Response Time 300ms Reference 3GPP TS 27.007 2.6. AT+CGMM Request Model Identification l e t l c a e i t u n Q ide f n o C AT+CGMM returns a product model identification text. The command is identical with AT+GMM. AT+CGMM Test Command AT+CGMM=? Request Model Identification Response OK Execution Command AT+CGMM Response TA returns product model identification text. EC25 OK Maximum Response Time 300ms Reference 3GPP TS 27.007 2.7. AT+CGMR Request TA Revision Identification of Software Release AT+CGMR delivers a product firmware version identification. The command is identical with AT+GMR. AT+CGMR Request TA Revision Identification of Software Release Test Command AT+CGMR=? Execution Command AT+CGMR Response OK Response TA returns identification text of product software version. OK Maximum Response Time 300ms Reference 3GPP TS 27.007 EC25&EC21_AT_Commands_Manual Confidential / Released 14 / 215 LTE Module Series EC25&EC21 AT Commands Manual Parameter Identification text of product software version 2.8. AT+GSN Request International Mobile Equipment Identity (IMEI) AT+GSN returns the International Mobile Equipment Identity (IMEI). The command is identical with AT+CGSN. AT+GSN l e t l c a e i t u n Q ide f n o C Request International Mobile Equipment Identity (IMEI) Test Command AT+GSN=? Response OK Execution Command AT+GSN Response TA reports the IMEI (International Mobile Equipment Identity) number in information text which permits the user to identify the individual ME device. OK Maximum Response Time Reference V.25ter Parameter NOTE 300ms IMEI of the telephone The serial number (IMEI) varies with the individual ME device. EC25&EC21_AT_Commands_Manual Confidential / Released 15 / 215 LTE Module Series EC25&EC21 AT Commands Manual 2.9. AT+CGSN Request Product Serial Number Identification AT+CGSN returns International Mobile Equipment Identity (IMEI). AT+CGSN Request Product Serial Number Identification Test Command AT+CGSN=? Response OK Execution Command AT+CGSN Response l e t l c a e i t u n Q ide f n o C OK Maximum Response Time 300ms Reference 3GPP TS 27.007 2.10. AT&F Set all Current Parameters to Manufacturer Defaults AT&F resets AT command settings to their factory default values. AT&F Set all Current Parameters to Manufacturer Defaults Execution Command AT&F[ ] Response TA sets all current parameters to the manufacturer defined profile. See Table 8: Factory Default Settings Restorable with AT&F. OK Maximum Response Time 300ms Reference V.25ter Parameter 0 Set all TA parameters to manufacturer defaults EC25&EC21_AT_Commands_Manual Confidential / Released 16 / 215 LTE Module Series EC25&EC21 AT Commands Manual 2.11. AT&V Display Current Configuration AT&V displays the current settings of several AT command parameters, including the single-letter AT command parameters which are not readable otherwise. AT&V Display Current Configuration Execution Command AT&V l e t l c a e i t u n Q ide f n o C Maximum Response Time Reference V.25ter Response TA returns the current parameter setting See Table 2: AT&V Response OK 300ms Table 2: AT&V Response AT&V &C: 1 &D: 2 &F: 0 &W: 0 E: 1 Q: 0 V: 1 X: 4 Z: 0 S0: 0 S3: 13 S4: 10 S5: 8 S6: 2 S7: 0 S8: 2 S10: 15 OK EC25&EC21_AT_Commands_Manual Confidential / Released 17 / 215 LTE Module Series EC25&EC21 AT Commands Manual 2.12. AT&W Store Current Parameters to User Defined Profile AT&W stores the current AT command settings to a user defined profile in non-volatile memory. AT&W Store Current Parameters to User Defined Profile Execution Command AT&W[ ] Response TA stores the current parameter settings in the user defined profile. See Table 9: AT Command Settings Storable with AT&W. OK l e t l c a e i t u n Q ide f n o C Maximum Response Time Reference V.25ter Parameter 2.13. ATZ 0 300ms Profile number to store current parameters Set all Current Parameters to User Defined Profile ATZ restores the current AT command settings to the user defined profile in non-volatile memory, if one was stored with AT&W before. Any additional AT command on the same command line may be ignored. ATZ Set all Current Parameters to User Defined Profile Execution Command ATZ[ ] Response TA sets all current parameters to the user defined profile. See Table 10: AT Command Settings Storable with ATZ. OK Maximum Response Time 300ms Reference V.25ter Parameter 0 Reset to profile number 0 EC25&EC21_AT_Commands_Manual Confidential / Released 18 / 215 LTE Module Series EC25&EC21 AT Commands Manual 2.14. ATQ Set Result Code Presentation Mode ATQ controls whether the result code is transmitted to the TE. Other information text transmitted as response is not affected. ATQ Set Result Code Presentation Mode Execution Command ATQ Response This parameter setting determines whether or not the TA transmits any result code to the TE. Information text transmitted in response is not affected by this setting. If =0: OK If =1: (none) l e t l c a e i t u n Q ide f n o C Maximum Response Time Reference V.25ter Parameter 0 1 2.15. ATV 300ms TA transmits result code Result codes are suppressed and not transmitted TA Response Format This command determines the contents of header and trailer transmitted with AT command result codes and information responses. The result codes, their numeric equivalents and brief descriptions of the use of each are listed in the following table. ATV TA Response Format Execution Command ATV EC25&EC21_AT_Commands_Manual Response This parameter setting determines the contents of the header and trailer transmitted with result codes and information responses. When =0 0 When =1 OK Confidential / Released 19 / 215 LTE Module Series EC25&EC21 AT Commands Manual Maximum Response Time 300ms Reference V.25ter Parameter 0 1 Example ATV1 OK AT+CSQ +CSQ: 30,99 OK ATV0 0 AT+CSQ +CSQ: 30,99 0 Information response: Short result code format: Information response: Long result code format: l e t l c a e i t u n Q ide f n o C //Set =1 //When =1 result code is OK //Set =0 //When =0 result code is 0 Table 3: ATV0&ATV1 Result Codes Numeric Equivalents and Brief Description ATV1 ATV0 Description 0 Acknowledges execution of a command 1 A connection has been established; the DCE is moving from command state to online data state 2 The DCE has detected an incoming call signal from network 3 The connection has been terminated or the attempt to establish a connection failed ERROR 4 Command not recognized, command line maximum length exceeded, parameter value invalid, or other problem with processing the command line NO DIALTONE 6 No dial tone detected OK CONNECT RING NO CARRIER EC25&EC21_AT_Commands_Manual Confidential / Released 20 / 215 LTE Module Series EC25&EC21 AT Commands Manual BUSY NO ANSWER 2.16. ATE 7 Engaged (busy) signal detected 8 “@” (Wait for Quiet Answer) dial modifier was used, but remote ringing followed by five seconds of silence was not detected before expiration of the connection timer (S7) Set Command Echo Mode l e t l c a e i t u n Q ide f n o C ATE controls if the module echoes characters received from TE during AT command state. ATE Set Command Echo Mode Execution Command ATE Response This setting determines whether or not the TA echoes characters received from TE during command state. OK Maximum Response Time 300ms Reference V.25ter Parameter 0 1 Echo mode off Echo mode on 2.17. A/ Repeat Previous Command Line A/ repeats previous AT command line, and “/” acts as the line terminating character. A/ Repeat Previous Command Line Execution Command A/ Response Repeat the previous command Reference V.25ter EC25&EC21_AT_Commands_Manual Confidential / Released 21 / 215 LTE Module Series EC25&EC21 AT Commands Manual Example ATI Quectel EC25 Revision: EC25EFAR01A01M4G OK A/ Quectel EC25 Revision: EC25EFAR01A01M4G OK 2.18. ATS3 //Repeat the previous command l e t l c a e i t u n Q ide f n o C Set Command Line Termination Character ATS3 determines the character recognized by the module to terminate an incoming command line. It is also generated for result codes and information text, along with character value set via ATS4. ATS3 Set Command Line Termination Character Read Command ATS3? Response OK Write Command ATS3= Response This parameter setting determines the character recognized by TA to terminate an incoming command line. The TA also returns this character in output. OK Maximum Response Time Reference V.25ter 300ms Parameter 0-13-127 Command line termination character (Default 13= ) EC25&EC21_AT_Commands_Manual Confidential / Released 22 / 215 LTE Module Series EC25&EC21 AT Commands Manual 2.19. ATS4 Set Response Formatting Character ATS4 determines the character generated by the module for result code and information text, along with the command line termination character set via ATS3. ATS4 Set Response Formatting Character Read Command ATS4? Response OK Write Command ATS4= l e t l c a e i t u n Q ide f n o C Response This parameter setting determines the character generated by the TA for result code and information text. OK Maximum Response Time Reference V.25ter Parameter 0-10-127 2.20. ATS5 300ms Response formatting character (Default 10= ) Set Command Line Editing Character ATS5 determines the character value used by the module to delete the immediately preceding character from the AT command line (i.e. equates to backspace key). ATS5 Set Command Line Editing Character Read Command ATS5? Response OK Write Command ATS5= Response This parameter setting determines the character recognized by TA as a request to delete the immediately preceding character from the command line. OK Maximum Response Time 300ms EC25&EC21_AT_Commands_Manual Confidential / Released 23 / 215 LTE Module Series EC25&EC21 AT Commands Manual Reference V.25ter Parameter 0-8-127 2.21. ATX Response editing character (Default 8= ) Set CONNECT Result Code Format and Monitor Call Progress l e t l c a e i t u n Q ide f n o C ATX determines whether or not the module transmits particular result codes to the TE. It also controls whether or not the module verifies the presence of a dial tone when it begins dialing, and whether or not engaged tone (busy signal) detection is enabled. ATX Set CONNECT Result Code Format and Monitor Call Progress Execution Command ATX Response This parameter setting determines whether or not the TA detected the presence of dial tone and busy signal and whether or not TA transmits particular result codes. OK Maximum Response Time 300ms Reference V.25ter Parameter 0 1 2 3 4 CONNECT result code only returned, dial tone and busy detection are both disabled CONNECT result code only returned, dial tone and busy detection are both disabled CONNECT result code returned, dial tone detection is enabled, busy detection is disabled CONNECT result code returned, dial tone detection is disabled, busy detection is enabled CONNECT result code returned, dial tone and busy detection are both enabled EC25&EC21_AT_Commands_Manual Confidential / Released 24 / 215 LTE Module Series EC25&EC21 AT Commands Manual 2.22. AT+CFUN Set Phone Functionality AT+CFUN controls the functionality level. It can also be used to reset the UE. AT+CFUN Set Phone Functionality Test Command AT+CFUN=? Response +CFUN: (list of supported s),(list of supported s) OK Read Command AT+CFUN? Response +CFUN: l e t l c a e i t u n Q ide f n o C OK Write Command AT+CFUN= [, ] Response OK If error is related to ME functionality: +CME ERROR: Maximum Response Time 15s, determined by network. Reference 3GPP TS 27.007 Parameter 0 1 4 0 1 Example Minimum functionality Full functionality (Default) Disable the phone from both transmitting and receiving RF signals Do not reset the ME before setting it to power level. This is default when is not given. Reset the ME. The device is fully functional after the reset. This value is available only for =1 AT+CFUN=0 OK AT+COPS? +COPS: 0 //Switch phone to minimum functionality //No operator is registered OK AT+CPIN? EC25&EC21_AT_Commands_Manual Confidential / Released 25 / 215 LTE Module Series EC25&EC21 AT Commands Manual +CME ERROR: 13 AT+CFUN=1 OK //SIM failure //Switch phone to full functionality +CPIN: SIM PIN AT+CPIN=1234 OK +CPIN: READY +QUSIM: 1 l e t l c a e i t u n Q ide f n o C +QIND: PB DONE +QIND: SMS DONE AT+CPIN? +CPIN: READY OK AT+COPS? +COPS: 0,0,"CHINA MOBILE CMCC",7 OK //Operator is registered 2.23. AT+CMEE Error Message Format AT+CMEE controls the format of error result codes: “ERROR”, error numbers or verbose messages as “+CME ERROR: ” and “+CMS ERROR: ”. AT+CMEE Error Message Format Test Command AT+CMEE=? Response +CMEE: (list of supported s) OK Read Command AT+CMEE? Response +CMEE: OK Write Command AT+CMEE= EC25&EC21_AT_Commands_Manual Response TA disables or enables the use of result code +CME ERROR: as an indication of an error related to the functionality of the ME. Confidential / Released 26 / 215 LTE Module Series EC25&EC21 AT Commands Manual OK Maximum Response Time 300ms Reference 3GPP TS 27.007 Parameter 0 1 2 Example Disable result code Enable result code and use numeric values Enable result code and use verbose values l e t l c a e i t u n Q ide f n o C AT+CMEE=0 OK AT+CPIN? ERROR AT+CMEE=1 OK AT+CPIN? +CME ERROR: 10 AT+CMEE=2 //Disable result code //Only “ERROR” will be displayed //Enable error result code with numeric values //Enable error result code with verbose (string) values OK AT+CPIN? +CME ERROR: SIM not inserted 2.24. AT+CSCS Select TE Character Set AT+CSCS write command informs the module which character set is used by the TE. This enables the UE to convert character strings correctly between TE and UE character sets. AT+CSCS Select TE Character Set Test Command AT+CSCS=? Response +CSCS: (list of supported s) OK Read Command AT+CSCS? EC25&EC21_AT_Commands_Manual Response +CSCS: Confidential / Released 27 / 215 LTE Module Series EC25&EC21 AT Commands Manual OK Write Command AT+CSCS= Response Set character set which is used by the TE. The TA can then convert character strings correctly between the TE and ME character sets. OK Maximum Response Time 300ms Reference 3GPP TS 27.007 Parameter l e t l c a e i t u n Q ide f n o C “GSM” “IRA” “UCS2” Example AT+CSCS? +CSCS: “GSM” GSM default alphabet International reference alphabet UCS2 alphabet //Query the current character set OK AT+CSCS=“UCS2” OK AT+CSCS? +CSCS: “UCS2” OK 2.25. AT+QURCCFG //Set the character set to “UCS2” Configure URC Indication Option This command is used to configure the output port of URC. AT+QURCCFG Configure URC Indication Option Test Command AT+QURCCFG=? Response +QURCCFG: "urcport",("usbat","usbmodem","uart1") OK Write Command AT+QURCCFG="urcport"[, ] +QURCCFG: "urcport", OK If configuration parameters are entered, response: OK ERROR Read Command AT+QURCCFG? Response Return current configurations: +QURCCFG: "urcport", l e t l c a e i t u n Q ide f n o C OK Maximum Response Time Parameter NOTES 300ms Set URC output port "usbat" "usbmodem" "uart1" USB AT port USB modem port Main UART 1. Configuration of URC output port will be saved to NV immediately by default. 2. After configuration of URC output port is set successfully, it will take effect immediately. Example AT+QURCCFG=? +QURCCFG: "urcport",("usbat","usbmodem","uart1") OK AT+QURCCFG? +QURCCFG: "urcport","usbat" OK AT+QURCCFG="urcport","usbmodem" OK AT+QURCCFG? +QURCCFG: "urcport","usbmodem" OK EC25&EC21_AT_Commands_Manual Confidential / Released 29 / 215 LTE Module Series EC25&EC21 AT Commands Manual 3 Serial Interface Control Commands 3.1. AT&C Set DCD Function Mode l e t l c a e i t u n Q ide f n o C AT&C controls the behavior of the UE‟s DCD line. AT&C Set DCD Function Mode Execution Command AT&C[ ] Response This parameter determines how the state of circuit 109(DCD) relates to the detection of received line signal from the distant end. OK Maximum Response Time 300ms Reference V.25ter Parameter 0 1 3.2. AT&D DCD line is always ON DCD line is ON only in the presence of data carrier Set DTR Function Mode AT&D determines how the UE responds if DTR line is changed from ON to OFF condition during online data mode. AT&D Set DTR Function Mode Execution Command AT&D[ ] Response This parameter determines how the TA responds when circuit 108/2 (DTR) is changed from ON to OFF condition during data mode. OK Maximum Response Time 300ms EC25&EC21_AT_Commands_Manual Confidential / Released 30 / 215 LTE Module Series EC25&EC21 AT Commands Manual Reference V.25ter Parameter 0 1 2 TA ignores status on DTR ONOFF on DTR: Change to command mode while remaining the connected call ONOFF on DTR: Disconnect data call, and change to command mode. During state DTR = OFF, auto-answer function is disabled l e t l c a e i t u n Q ide f n o C 3.3. AT+IFC Set TE-TA Local Data Flow Control AT+IFC determines the flow control behavior of the serial port. AT+IFC Set TE-TA Local Data Flow Control Test Command AT+IFC=? Response +IFC: (list of supported s),(list of supported s) OK Read Command AT+IFC? Response +IFC: , OK Write Command AT+IFC= , Response This parameter setting determines the data flow control on the serial interface for data mode. OK Maximum Response Time 300ms Reference V.25ter Parameter Specifies the method that will be used by TE when receiving data from TA 0 None 2 RTS flow control Specifies the method that will be used by TA when receiving data from TE 0 None 2 CTS flow control EC25&EC21_AT_Commands_Manual Confidential / Released 31 / 215 LTE Module Series EC25&EC21 AT Commands Manual NOTE The flow control is applied only for data mode. Example AT+IFC=2,2 OK AT+IFC? +IFC: 2,2 //Open the hardware flow control OK l e t l c a e i t u n Q ide f n o C 3.4. AT+ICF Set TE-TA Control Character Framing AT+ICF determines the serial interface character framing format and parity received by TA from TE. AT+ICF Set TE-TA Control Character Framing Test Command AT+ICF=? Response +ICF: (list of supported s),(list of supported s) OK Read Command AT+ICF? Response +ICF: , OK Write Command AT+ICF=[ ,[ ]] Response This parameter setting determines the serial interface character framing format and parity received by TA from TE. OK Maximum Response Time 300ms Reference V.25ter Parameter 3 0 1 2 8 data 0 parity 1 stop Odd Even Mark (1) EC25&EC21_AT_Commands_Manual Confidential / Released 32 / 215 LTE Module Series EC25&EC21 AT Commands Manual 3 Space (0) NOTES 1. 2. The command is applied for command state. The field is ignored if the field specifies no parity. 3.5. AT+IPR Set TE-TA Fixed Local Rate l e t l c a e i t u n Q ide f n o C AT+IPR is used to query and set the baud rate of the UART. The default baud rate value ( ) is 115200bps. setting will not be restored with AT&F. AT+IPR Set TE-TA Fixed Local Rate Test Command AT+IPR=? Response +IPR: (list of supported auto detectable s),(list of supported fixed-only s) OK Read Command AT+IPR? Response +IPR: OK Write Command AT+IPR= Maximum Response Time Reference V.25ter Parameter Response This parameter setting determines the data rate of the TA on the serial interface. After the delivery of any result code associated with the current command line, the rate of command takes effect. OK 300ms Baud rate per second 9600 19200 38400 57600 115200 EC25&EC21_AT_Commands_Manual Confidential / Released 33 / 215 LTE Module Series EC25&EC21 AT Commands Manual 230400 460800 921600 NOTES 1. 2. 3. 4. If a fixed baud rate is set, make sure that both TE (DTE, usually external processor) and TA (DCE, Quectel module) are configured to the same rate. The value of AT+IPR cannot be restored with AT&F and ATZ; but it is still storable with AT&W. In multiplex mode, the baud rate cannot be changed by the write command AT+IPR= ; and the setting is invalid and cannot be stored even if AT&W is executed after the write command. A selected baud rate takes effect after the write commands are executed and acknowledged by "OK". Example AT+IPR=115200 OK AT&W OK AT+IPR? +IPR: 115200 l e t l c a e i t u n Q ide f n o C OK AT+IPR=115200;&W OK EC25&EC21_AT_Commands_Manual //Set fixed baud rate to 115200 //Store current setting, that is, the serial communication speed is 115200 after restarting module //Set fixed baud rate to 115200 and store current setting Confidential / Released 34 / 215 LTE Module Series EC25&EC21 AT Commands Manual 4 Status Control Commands 4.1. AT+CPAS Mobile Equipment Activity Status l e t l c a e i t u n Q ide f n o C AT+CPAS execute command queries the module‟s activity status. AT+CPAS Mobile Equipment Activity Status Test Command AT+CPAS=? Response +CPAS: (list of supported s) OK Execution Command AT+CPAS Response TA returns the activity status of ME: +CPAS: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time 300ms Reference 3GPP TS 27.007 Parameter 0 3 4 Ready Ringing Call in progress or call hold Example AT+CPAS +CPAS: 0 //Module is idle OK EC25&EC21_AT_Commands_Manual Confidential / Released 35 / 215 LTE Module Series EC25&EC21 AT Commands Manual RING AT+CLCC +CLCC: 1,1,4,0,0,“15695519173”,161 OK AT+CPAS +CPAS: 3 //Module is ringing OK AT+CLCC +CLCC: 1,0,0,0,0,“10010”,129 OK AT+CPAS +CPAS: 4 OK l e t l c a e i t u n Q ide f n o C 4.2. AT+CEER //Call in progress Extended Error Report AT+CEER is used to query an extended error and report the cause of the last failed operation, such as: the failure to release call the failure to set up a call (both mobile originated or terminated) the failure to modify a call by using Supplementary Services the failure to activate, register, query, deactivate or deregister a Supplementary Service the failure to attach GPRS or the failure to activate PDP context the failure to detach GPRS or the failure to deactivate PDP context The release cause is a text to describe the cause information given by the network. AT+CEER Extended Error Report Test command AT+CEER=? Execution command AT+CEER Response OK Response +CEER: OK ERROR If error is related to ME functionality: +CME ERROR: EC25&EC21_AT_Commands_Manual Confidential / Released 36 / 215 LTE Module Series EC25&EC21 AT Commands Manual Maximum Response Time 300ms Parameter Release cause text. Reason for the last call failure to setup or release (listed in 14.9 Release Cause Text List of AT+CEER). Both CS and PS domain call types are reported. Cause data is captured from Call Manager events and cached locally to later use by this command. l e t l c a e i t u n Q ide f n o C 4.3. AT+QCFG Extended Configuration Settings AT+QCFG is used to query and configure various settings of UE. AT+QCFG Extended Configuration Settings Test Command AT+QCFG=? EC25&EC21_AT_Commands_Manual Response +QCFG: “gprsattach”, (list of supported s) +QCFG: “nwscanmode”, (list of supported s), (list of supported s) +QCFG: “nwscanseq”, (list of supported s), (list of supported s) +QCFG: “roamservice”, (list of supported s), (list of supported s) +QCFG: “servicedomain”, (list of supported s), (list of supported s) +QCFG: “band”, (list of supported s), (list of supported s) (list of supported s) +QCFG: “hsdpacat”, (list of supported s) +QCFG: “hsupacat”, (list of supported s) +QCFG: “rrc”, (list of supported s) +QCFG: “sgsn”, (list of supported s) Confidential / Released 37 / 215 LTE Module Series EC25&EC21 AT Commands Manual +QCFG: “msc”, (list of supported s)+QCFG: "pdp/duplicatechk",(list of supported s) +QCFG: "tdscsq",(list of supported s) OK Maximum Response Time 300ms Reference l e t l c a e i t u n Q ide f n o C 4.3.1. AT+QCFG="gprsattach" GPRS Attach Mode Configuration AT+QCFG=“gprsattach” specifies the mode to attach GPRS when UE is powered on. This configuration is valid only after the module is restarted. AT+QCFG="gprsattach" GPRS Attach Mode Configuration Write Command AT+QCFG=“gprsattach”[, ] Response If configuration parameters are omitted (+QCFG=“gprsattach”), return current configuration: +QCFG: “gprsattach”, OK If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time Parameter 300ms Number format, the mode to attach GRPS when UE is powered on 0 Manual attach 1 Auto attach 4.3.2. AT+QCFG="nwscanmode" Network Search Mode Configuration AT+QCFG=“nwscanmode” specifies the mode of searching network. If is omitted, the configuration will take effect immediately. EC25&EC21_AT_Commands_Manual Confidential / Released 38 / 215 LTE Module Series EC25&EC21 AT Commands Manual AT+QCFG="nwscanmode" Network Search Mode Configuration Write Command AT+QCFG=“nwscanmode”[, [, ]] Response If configuration parameters are omitted (+QCFG=“nwscanmode”), return current configuration: +QCFG: “nwscanmode”, OK If configuration parameters are entered: OK ERROR l e t l c a e i t u n Q ide f n o C If error is related to ME functionality: +CME ERROR: Maximum Response Time Parameter 300ms Number format, network search mode 0 AUTO 1 GSM only 2 WCDMA only 3 LTE only 4 TD-SCDMA only 5 UMTS only 6 CDMA only 7 HDR only 8 CDMA and HDR only Number format, when to take effect 0 Take effect after UE reboots 1 Take effect immediately 4.3.3. AT+QCFG="nwscanseq" Network Searching Sequence Configuration AT+QCFG=“nwscanseq” specifies the sequence of searching network. This configuration is valid only after the module is restarted. AT+QCFG="nwscanseq" Network Searching Sequence Configuration Write Command AT+QCFG=“nwscanseq”[, ] EC25&EC21_AT_Commands_Manual Response If configuration parameters are omitted (+QCFG=“nwscanseq”), return current configuration: Confidential / Released 39 / 215 LTE Module Series EC25&EC21 AT Commands Manual +QCFG: “nwscanseq”, OK If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time Parameter 300ms l e t l c a e i t u n Q ide f n o C Number format, network search sequence (eg.: 04030201(LTE/WCDMA/TD-SCDMA/GSM)) 00 Automatic (LTE/ WCDMA/TD-SCDMA/GSM) 01 GSM 02 TD-SCDMA 03 WCDMA 04 LTE 4.3.4. AT+QCFG="roamservice" Roam Service Configuration AT+QCFG=“roamservice” is used to enable or disable the roam service. If is omitted, the configuration will take effect immediately. AT+QCFG="roamservice" Roam Service Configuration Write Command AT+QCFG=“roamservice”[, [, ]] Response If configuration parameters are omitted (+QCFG=“roamservice”), return current configuration: +QCFG: “roamservice”, OK If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time EC25&EC21_AT_Commands_Manual 300ms Confidential / Released 40 / 215 LTE Module Series EC25&EC21 AT Commands Manual Parameter Number format, the mode of roam service 1 Disable roam service 2 Enable roam service 255 AUTO Number format, when to take effect 0 Take effect after UE reboots 1 Take effect immediately l e t l c a e i t u n Q ide f n o C 4.3.5. AT+QCFG="servicedomain" Service Domain Configuration AT+QCFG=“servicedomain” specifies the registered service domain. If is omitted, the configuration will take effect immediately. AT+QCFG="servicedomain" Service Domain Configuration Write Command AT+QCFG=“servicedomain”[, [, ]] Response If configuration parameters are omitted (+QCFG=“servicedomain”), return current configuration: +QCFG: “servicedomain”, OK If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time Parameter 300ms Service domain of UE 0 CS only 1 PS only 2 CS & PS Number format, when to take effect 0 Take effect after UE reboots 1 Take effect immediately EC25&EC21_AT_Commands_Manual Confidential / Released 41 / 215 LTE Module Series EC25&EC21 AT Commands Manual 4.3.6. AT+QCFG="band" Band Configuration AT+QCFG=“band” specifies the band of UE. If is omitted, the configuration will take effect immediately. AT+QCFG="band" Band Configuration Write Command AT+QCFG=“band”[, , , [, ]] Response If configuration parameters are omitted (+QCFG=“band”), return current configuration: +QCFG: “band”, , , l e t l c a e i t u n Q ide f n o C OK If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time Parameter 300ms A hexadecimal value that specifies the GSM and WCDMA frequency band. If set to 0, it means not to change GSM and WCDMA frequency band. (eg.: 00000013=00000001(GSM900)+00000002(GSM1800)+00000010(WCDMA 2100)) 00000000 No change 00000001 GSM900 00000002 GSM1800 00000004 GSM850 00000008 GSM1900 00000010 WCDMA 2100 00000020 WCDMA 1900 00000040 WCDMA 850 00000080 WCDMA 900 00000100 WCDMA 800 00000200 WCDMA 1700 0000FFFF Any frequency band A hexadecimal value that specifies the LTE frequency band. If set to 0 or 0x40000000, it means not to change LTE frequency band. (eg.: 0x15=0x1( LTE BC1)+0x4( LTE BC3)+0x10( LTE BC5)) 0x1 (CM_BAND_PREF_LTE_EUTRAN_BAND1) LTE BC1 EC25&EC21_AT_Commands_Manual Confidential / Released 42 / 215 LTE Module Series EC25&EC21 AT Commands Manual 0x4 (CM_BAND_PREF_LTE_EUTRAN_BAND3) LTE BC3 0x10 (CM_BAND_PREF_LTE_EUTRAN_BAND5) LTE BC5 0x40 (CM_BAND_PREF_LTE_EUTRAN_BAND7) LTE BC7 0x80 (CM_BAND_PREF_LTE_EUTRAN_BAND8) LTE BC8 0x800000(CM_BAND_PREF_LTE_EUTRAN_BAND20) LTE BC20 0x7FFFFFFFFFFFFFFF(CM_BAND_PREF_ANY) Any frequency band A hexadecimal value that specifies the frequency band. If set to 0 or 0x40000000, it means not to change TDS-CDMA frequency band. (eg.: 0x21=0x1( TDS BCA) +0x20( TDS BCF)) 0x1 (CM_BAND_PREF_TDS_BANDA) TDS BCA 0x2 (CM_BAND_PREF_TDS_BANDB) TDS BCB 0x4 (CM_BAND_PREF_TDS_BANDC) TDS BCC 0x8 (CM_BAND_PREF_TDS_BANDD) TDS BCD 0x10 (CM_BAND_PREF_TDS_BANDE) TDS BCE 0x20 (CM_BAND_PREF_TDS_BANDF) TDS BCF When to take effect 0 Take effect after UE reboots 1 Take effect immediately l e t l c a e i t u n Q ide f n o C 4.3.7. AT+QCFG="hsdpacat" HSDPA Category Configuration AT+QCFG=“hsdpacat” specifies the HSDPA category. This configuration is valid only after the module is restarted. AT+QCFG="hsdpacat" HSDPA Category Configuration Write Command AT+QCFG=“hsdpacat”[, ] Response If configuration parameters are omitted (+QCFG=”hsdpacat”), return current configuration: +QCFG: “hsdpacat”, OK If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time EC25&EC21_AT_Commands_Manual 300ms Confidential / Released 43 / 215 LTE Module Series EC25&EC21 AT Commands Manual Parameter HSDPA category 6 Category 6 8 Category 8 10 Category 10 12 Category 12 14 Category 14 18 Category 18 20 Category 20 24 Category 24 l e t l c a e i t u n Q ide f n o C 4.3.8. AT+QCFG="hsupacat" HSUPA Category Configuration AT+QCFG=“hsupacat” specifies the HSUPA category. This configuration is valid only after the module is restarted. AT+QCFG="hsupacat" HSUPA Category Configuration Write Command AT+QCFG=“hsupacat”[, ] Response If configuration parameters are omitted (+QCFG=“hsupacat”), return current configuration: +QCFG: “hsupacat”, OK If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time Parameter 300ms HSUPA category 5 Category 5 6 Category 6 EC25&EC21_AT_Commands_Manual Confidential / Released 44 / 215 LTE Module Series EC25&EC21 AT Commands Manual 4.3.9. AT+QCFG="rrc" RRC Release Version Configuration AT+QCFG=“rrc” specifies the RRC release version. This configuration is valid only after the module is restarted. AT+QCFG="rrc" RRC Release Version Configuration Write Command AT+QCFG=“rrc”[, ] Response If configuration parameters are omitted (+QCFG=“rrc”), return current configuration: +QCFG: “rrc”, l e t l c a e i t u n Q ide f n o C OK If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time Parameter 300ms RRC release version. 0 R99 1 R5 2 R6 3 R7 4 R8 4.3.10. AT+QCFG="sgsn" UE SGSN Release Version Configuration AT+QCFG=“sgsn” specifies the UE SGSN release version. This configuration is valid only after the module is restarted. AT+QCFG="sgsn" UE SGSN Release Version Configuration Write Command AT+QCFG=“sgsn”[, ] Response If configuration parameters are omitted (+QCFG=“sgsn”), return current configuration: +QCFG: “sgsn”, OK EC25&EC21_AT_Commands_Manual Confidential / Released 45 / 215 LTE Module Series EC25&EC21 AT Commands Manual If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time Parameter 300ms l e t l c a e i t u n Q ide f n o C SGSN release version 0 R97 1 R99 2 Dynamic 4.3.11. AT+QCFG="msc" UE MSC Release Version Configuration AT+QCFG=“msc” specifies the UE MSC release version. This configuration is valid only after the module is restarted. AT+QCFG="msc" UE MSC Release Version Configuration Write Command AT+QCFG=“msc”[, ] Response If configuration parameters are omitted (+QCFG=“msc”), return current configuration: +QCFG: “msc”, OK If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time 300ms Parameter MSC release version 0 R97 EC25&EC21_AT_Commands_Manual Confidential / Released 46 / 215 LTE Module Series EC25&EC21 AT Commands Manual 1 2 R99 Dynamic 4.3.12. AT+QCFG="PDP/DuplicateChk" Establish Multi PDNs with the Same APN AT+QCFG=“PDP/DuplicateChk” allows to establish multi PDNs with the same APN profile. The configuration will take effect immediately. AT+QCFG="PDP/DuplicateChk" Write Command AT+QCFG=“PDP/DuplicateChk”[, ] Establish Multi PDNs with the Same APN Response If configuration parameters are omitted, return current configuration: +QCFG: “PDP/DuplicateChk”, l e t l c a e i t u n Q ide f n o C OK If configuration parameters are entered: OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time Parameter 0 1 300ms Refused to establish multi PDNs with the same APN profile Allowed to establish multi PDNs with the same APN profile 4.3.13. AT+QCFG="TDSCSQ" Set TDSCDMA RSSI Range AT+QCFG=“TDSCSQ” set RSSI range in TDSCDMA. The configuration will take effect immediately. AT+QCFG="TDSCSQ" Set TDSCDMA RSSI Range Write Command AT+QCFG=“TDSCSQ ”[, ] Response If configuration parameters are omitted, return current configuration: +QCFG: “TDSCSQ”, OK If configuration parameters are entered: EC25&EC21_AT_Commands_Manual Confidential / Released 47 / 215 LTE Module Series EC25&EC21 AT Commands Manual OK ERROR If error is related to ME functionality: +CME ERROR: Maximum Response Time 300ms Parameter NOTE 0 RSSI between 0-31 1 RSSI between 100-191 l e t l c a e i t u n Q ide f n o C This command is valid only in TDSCDMA. Show the RSSI value by AT+CSQ; and get RSSI details by AT+CSQ. EC25&EC21_AT_Commands_Manual Confidential / Released 48 / 215 LTE Module Series EC25&EC21 AT Commands Manual 5 SIM Related Commands 5.1. AT+CIMI Request International Mobile Subscriber Identity (IMSI) l e t l c a e i t u n Q ide f n o C AT+CIMI requests the International Mobile Subscriber Identity (IMSI) which is intended to permit the TE to identify the individual SIM card or active application in the UICC (GSM or USIM) that is attached to MT. AT+CIMI Request International Mobile Subscriber Identity (IMSI) Test Command AT+CIMI=? Execution Command AT+CIMI Response OK Response TA returns for identifying the individual SIM which is attached to ME. OK If error is related to ME functionality: +CME ERROR: Maximum Response Time 300ms Reference 3GPP TS 27.007 Parameter