Quectel EC20 R2.1 AT Commands Manual V1.0
Quectel_EC20_R2.1_AT_Commands_Manual_V1.0
User Manual:
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- About the Document
- Contents
- Table Index
- 1 Introduction
- 2 General Commands
- 2.1. ATI Display Product Identification Information
- 2.2. AT+GMI Request Manufacturer Identification
- 2.3. AT+GMM Request TA Model Identification
- 2.4. AT+GMR Request TA Revision Identification of Software Release
- 2.5. AT+CGMI Request Manufacturer Identification
- 2.6. AT+CGMM Request Model Identification
- 2.7. AT+CGMR Request TA Revision Identification of Software Release
- 2.8. AT+GSN Request International Mobile Equipment Identity (IMEI)
- 2.9. AT+CGSN Request Product Serial Number Identification
- 2.10. AT&F Set all Current Parameters to Manufacturer Defaults
- 2.11. AT&V Display Current Configuration
- 2.12. AT&W Store Current Parameters to User Defined Profile
- 2.13. ATZ Set all Current Parameters to User Defined Profile
- 2.14. ATQ Set Result Code Presentation Mode
- 2.15. ATV TA Response Format
- 2.16. ATE Set Command Echo Mode
- 2.17. A/ Repeat Previous Command Line
- 2.18. ATS3 Set Command Line Termination Character
- 2.19. ATS4 Set Response Formatting Character
- 2.20. ATS5 Set Command Line Editing Character
- 2.21. ATX Set CONNECT Result Code Format and Monitor Call Progress
- 2.22. AT+CFUN Set Phone Functionality
- 2.23. AT+CMEE Error Message Format
- 2.24. AT+CSCS Select TE Character Set
- 2.25. AT+QURCCFG Configure URC Indication Option
- 3 Serial Interface Control Commands
- 4 Status Control Commands
- 4.1. AT+CPAS Mobile Equipment Activity Status
- 4.2. AT+CEER Extended Error Report
- 4.3. AT+QCFG Extended Configuration Settings
- 4.3.1. AT+QCFG="gprsattach" GPRS Attach Mode Configuration
- 4.3.2. AT+QCFG="nwscanmode" Network Search Mode Configuration
- 4.3.3. AT+QCFG="nwscanseq" Network Searching Sequence Configuration
- 4.3.4. AT+QCFG="roamservice" Roam Service Configuration
- 4.3.5. AT+QCFG="servicedomain" Service Domain Configuration
- 4.3.6. AT+QCFG="band" Band Configuration
- 4.3.7. AT+QCFG="hsdpacat" HSDPA Category Configuration
- 4.3.8. AT+QCFG="hsupacat" HSUPA Category Configuration
- 4.3.9. AT+QCFG="rrc" RRC Release Version Configuration
- 4.3.10. AT+QCFG="sgsn" UE SGSN Release Version Configuration
- 4.3.11. AT+QCFG="msc" UE MSC Release Version Configuration
- 4.3.12. AT+QCFG="PDP/duplicatechk" Establish Multi PDNs with the Same APN
- 4.3.13. AT+QCFG="tdscsq" Set TD-SCDMA RSSI Range
- 4.3.14. AT+QCFG="urc/ri/ring" RI Behavior When RING URC is Presented
- 4.3.15. AT+QCFG="urc/ri/smsincoming" RI Behavior When Incoming SMS URCs are Presented
- 4.3.16. AT+QCFG="urc/ri/other" RI Behavior When Other URCs are Presented
- 4.3.17. AT+QCFG="risignaltype" RI Signal Output Carrier
- 4.3.18. AT+QCFG="urc/delay" Delay URC Indication
- 4.3.19. AT+QCFG="urc/cache" URC Cache Function
- 4.3.20. AT+QCFG=" tone/incoming" Ring Tone Function
- 4.4. AT+QINDCFG URC Indication Configuration
- 5 (U)SIM Related Commands
- 5.1. AT+CIMI Request International Mobile Subscriber Identity (IMSI)
- 5.2. AT+CLCK Facility Lock
- 5.3. AT+CPIN Enter PIN
- 5.4. AT+CPWD Change Password
- 5.5. AT+CSIM Generic (U)SIM Access
- 5.6. AT+CRSM Restricted (U)SIM Access
- 5.7. AT+QCCID Show ICCID
- 5.8. AT+QPINC Display PIN Remainder Counter
- 5.9. AT+QINISTAT Query Initialization Status of (U)SIM Card
- 5.10. AT+QSIMDET (U)SIM Card Detection
- 5.11. AT+QSIMSTAT (U)SIM Card Insertion Status Report
- 6 Network Service Commands
- 6.1. AT+COPS Operator Selection
- 6.2. AT+CREG Network Registration Status
- 6.3. AT+CSQ Signal Quality Report
- 6.4. AT+CPOL Preferred Operator List
- 6.5. AT+COPN Read Operator Names
- 6.6. AT+CTZU Automatic Time Zone Update
- 6.7. AT+CTZR Time Zone Reporting
- 6.8. AT+QLTS Obtain the Latest Time Synchronized Through Network
- 6.9. AT+QNWINFO Query Network Information
- 6.10. AT+QSPN Display the Name of Registered Network
- 7 Call Related Commands
- 7.1. ATA Answer an Incoming Call
- 7.2. ATD Mobile Originated Call to Dial a Number
- 7.3. ATH Disconnect Existing Connection
- 7.4. AT+CVHU Voice Hang up Control
- 7.5. AT+CHUP Hang up Call
- 7.6. +++ Switch from Data Mode to Command Mode
- 7.7. ATO Switch from Command Mode to Data Mode
- 7.8. ATS0 Set Number of Rings before Automatically Answering Call
- 7.9. ATS6 Set Pause before Blind Dialing
- 7.10. ATS7 Set Time to Wait for Connection Completion
- 7.11. ATS8 Set the Time to Wait for Comma Dial Modifier
- 7.12. ATS10 Set Disconnection Delay after Indicating the Absence of Data Carrier
- 7.13. AT+CBST Select Bearer Service Type
- 7.14. AT+CSTA Select Type of Address
- 7.15. AT+CLCC List Current Calls of ME
- 7.16. AT+CR Service Reporting Control
- 7.17. AT+CRC Set Cellular Result Codes for Incoming Call Indication
- 7.18. AT+CRLP Select Radio Link Protocol Parameter
- 7.19. AT+QECCNUM Configure Emergency Call Numbers
- 7.20. AT+QHUP Hang up Call with a Specific Release Cause
- 8 Phonebook Commands
- 9 Short Message Service Commands
- 9.1. AT+CSMS Select Message Service (Not Effective in CDMA Network)
- 9.2. AT+CMGF Message Format
- 9.3. AT+CSCA Service Center Address (Not Effective in CDMA Network)
- 9.4. AT+CPMS Preferred Message Storage
- 9.5. AT+CMGD Delete Message
- 9.6. AT+CMGL List Messages
- 9.7. AT+CMGR Read Message
- 9.8. AT+CMGS Send Message
- 9.9. AT+CMMS Send More Messages (Not Effective in CDMA Network)
- 9.10. AT+CMGW Write Message to Memory
- 9.11. AT+CMSS Send Message from Storage
- 9.12. AT+CNMA New Message Acknowledgement to UE/TE (Not Effective in CDMA Network)
- 9.13. AT+CNMI SMS Event Reporting Configuration
- 9.14. AT+CSCB Select Cell Broadcast Message Types (Not Effective in CDMA Network)
- 9.15. AT+CSDH Show SMS Text Mode Parameters (Not Effective in CDMA Network)
- 9.16. AT+CSMP Set SMS Text Mode Parameters (Not Effective in CDMA Network)
- 9.17. AT+QCMGS Send Concatenated Messages
- 9.18. AT+QCMGR Read Concatenated Messages
- 9.19. AT+QCSMP Set CDMA SMS Text Mode Parameters
- 9.20. AT+QSMSR Read Message
- 9.21. AT+QSMSL List Messages
- 10 Packet Domain Commands
- 10.1. AT+CGATT Attachment or Detachment of PS
- 10.2. AT+CGDCONT Define PDP Context
- 10.3. AT+CGQREQ Quality of Service Profile (Requested)
- 10.4. AT+CGQMIN Quality of Service Profile (Minimum Acceptable)
- 10.5. AT+CGEQREQ 3G Quality of Service Profile (Requested)
- 10.6. AT+CGEQMIN 3G Quality of Service Profile (Minimum Acceptable)
- 10.7. AT+CGACT Activate or Deactivate PDP Context
- 10.8. AT+CGDATA Enter Data State
- 10.9. AT+CGPADDR Show PDP Address
- 10.10. AT+CGCLASS GPRS Mobile Station Class
- 10.11. AT+CGREG Network Registration Status
- 10.12. AT+CGEREP Packet Domain Event Reporting
- 10.13. AT+CGSMS Select Service for MO SMS Messages
- 10.14. AT+CEREG EPS Network Registration Status
- 10.15. AT+QGDCNT Packet Data Counter
- 10.16. AT+QAUGDCNT Auto Save Packet Data Counter
- 11 Supplementary Service Commands
- 11.1. AT+CCFC Call Forwarding Number and Conditions Control
- 11.2. AT+CCWA Call Waiting Control
- 11.3. AT+CHLD Call Related Supplementary Services
- 11.4. AT+CLIP Calling Line Identification Presentation
- 11.5. AT+CLIR Calling Line Identification Restriction
- 11.6. AT+COLP Connected Line Identification Presentation
- 11.7. AT+CSSN Supplementary Service Notifications
- 11.8. AT+CUSD Unstructured Supplementary Service Data
- 12 Audio Commands
- 12.1. AT+CLVL Loudspeaker Volume Level Selection
- 12.2. AT+CMUT Mute Control
- 12.3. AT+QAUDLOOP Enable/Disable Audio Loop Test
- 12.4. AT+VTS DTMF and Tone Generation
- 12.5. AT+VTD Set Tone Duration
- 12.6. AT+QAUDMOD Set Audio Mode
- 12.7. AT+QDAI Digital Audio Interface Configuration
- 12.8. AT+QEEC Set Echo Cancellation Parameters
- 12.9. AT+QSIDET Set the Side Tone Gain in Current Mode
- 12.10. AT+QMIC Set Uplink Gains of MIC
- 12.11. AT+QRXGAIN Set Downlink Gains of RX
- 12.12. AT+QIIC IIC Read & Write
- 12.13. AT+QTONEDET Enable/Disable DTMF Detection
- 12.14. AT+QLDTMF Play Local DTMF
- 12.15. AT+QLTONE Play a Local Customized Tone
- 13 Hardware Related Commands
- 14 Appendix
- 14.1. References
- 14.2. Factory Default Settings Restorable with AT&F
- 14.3. AT Command Settings Storable with AT&W
- 14.4. AT Command Settings Storable with ATZ
- 14.5. Summary of CME ERROR Codes
- 14.6. Summary of CMS ERROR Codes
- 14.7. Summary of URC
- 14.8. SMS Character Sets Conversions
- 14.9. Release Cause Text List of AT+CEER