SIM7000 Series_AT Command
Manual_V1.02
SIMCOM CONFIDENTIAL FILE
Smart Machine Smart Decision
SIM7000 Series_AT Command Manual_V1.02 2 2017-12-18
Document Title SIM7000 Series AT Command Manual
Version 1.02
Date 2017-12-18
Status Release
Document Control ID SIM7000 Series_AT Command Manual_V1.02
General Notes
SIMCom offers this information as a service to its customers, to support application and
engineering efforts that use the products designed by SIMCom. The information provided is based
upon requirements specifically provided to SIMCom by the customers. SIMCom has not
undertaken any independent search for additional relevant information, including any information
that may be in the customer’s possession. Furthermore, system validation of this product designed
by SIMCom within a larger electronic system remains the responsibility of the customer or the
customer’s system integrator. All specifications supplied herein are subject to change.
Copyright
This document contains proprietary technical information which is the property of Shanghai
SIMCom Wireless Solutions Ltd, copying of this document and giving it to others and the using or
communication of the contents thereof, are forbidden without express authority. Offenders are
liable to the payment of damages. All rights reserved in the event of grant of a patent or the
registration of a utility model or design. All specification supplied herein are subject to change
without notice at any time.
Copyright © Shanghai SIMCom Wireless Solutions Ltd. 2017
SIMCOM CONFIDENTIAL FILE
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SIM7000 Series_AT Command Manual_V1.02 3 2017-12-18
Contents
Version History ......................................................................................... 10
1 Introduction ......................................................................................... 11
1.1 Scope of the document ................................................................................... 11
1.2 Related documents ......................................................................................... 11
1.3 Conventions and abbreviations ...................................................................... 11
1.4 AT Command syntax ...................................................................................... 11
1.4.1 Basic syntax ............................................................................................................ 12
1.4.2 S Parameter syntax .................................................................................................. 12
1.4.3 Extended Syntax ...................................................................................................... 12
1.4.4 Combining AT commands on the same Command line .......................................... 12
1.4.5 Entering successive AT commands on separate lines .............................................. 13
1.5 Supported character sets ................................................................................ 13
1.6 Flow control ................................................................................................... 13
1.6.1 Software flow control (XON/XOFF flow control) .................................................. 13
1.6.2 Hardware flow control (RTS/CTS flow control) ..................................................... 14
1.7 Definitions ...................................................................................................... 14
1.7.1 Parameter Saving Mode .......................................................................................... 14
1.7.2 Max Response Time ....................................................................................................... 14
2 AT Commands According to V.25TER ............................................. 15
2.1 Overview of AT Commands According to V.25TER ..................................... 15
2.2 Detailed Description of AT Commands According to V.25TER .................... 16
2.2.1 A/ Re-issues the Last Command Given ............................................................... 16
2.2.2 ATD Mobile Originated Call to Dial A Number .................................................. 16
2.2.3 ATE Set Command Echo Mode ........................................................................... 17
2.2.4 ATH Disconnect Existing Connection ................................................................. 18
2.2.5 ATI Display Product Identification Information .................................................. 18
2.2.6 ATL Set Monitor speaker loudness ...................................................................... 19
2.2.7 ATM Set Monitor Speaker Mode ......................................................................... 19
2.2.8 +++ Switch from Data Mode or PPP Online Mode to Command Mode .............. 19
2.2.9 A
TO Switch from Command Mode to Data Mode .............................................. 20
2.2.10 ATQ Set Result Code Presentation Mode ............................................................ 20
2.2.11 ATS0 Set Number of Rings before Automatically Answering the Call................ 21
2.2.12 ATS3 Set Command Line Termination Character ................................................ 21
2.2.13 ATS4 Set Response Formatting Character ........................................................... 22
2.2.14 ATS5 Set Command Line Editing Character ....................................................... 23
2.2.15 ATS6 Pause Before Blind Dialling ....................................................................... 23
2.2.16 ATS7 Set Number of Seconds to Wait for Connection Completion ..................... 24
2.2.17 ATS8 Set Number of Seconds to Wait for Comma Dial Modifier Encountered in
Dial String of D Command ..................................................................................................... 24
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2.2.18 ATS10 Set Disconnect Delay after Indicating the Absence of Data Carrier ........ 25
2.2.19 ATV TA Response Format .................................................................................. 25
2.2.20 ATX Set CONNECT Result Code Format and Monitor Call Progress ................ 27
2.2.21 AT&C Set DCD Function Mode .......................................................................... 27
2.2.22 AT&D Set DTR Function Mode .......................................................................... 28
2.2.23 AT&E Set CONNECT Result Code Format About Speed ................................... 28
2.2.24 AT+GCAP Request Complete TA Capabilities List ............................................. 29
2.2.25 AT+GMI Request Manufacturer Identification .................................................... 29
2.2.26 AT+GMM Request TA Model Identification ....................................................... 29
2.2.27 AT+GMR Request TA Revision Identification of Software Release ................... 30
2.2.28 AT+GOI Request Global Object Identification .................................................... 30
2.2.29 AT+GSN Request TA Serial Number Identification (IMEI) ................................ 31
2.2.30 AT+ICF Set TE-TA Control Character Framing .................................................. 32
2.2.31 AT+IFC Set TE-TA Local Data Flow Control ..................................................... 32
2.2.32 AT+IPR Set TE-TA Fixed Local Rate .................................................................. 33
3 AT Commands According to 3GPP TS 27.007 .................................. 35
3.1 Overview of AT Command According to 3GPP TS 27.007 ........................... 35
3.2 Detailed Descriptions of AT Command According to 3GPP TS 27.007 ........ 35
3.2.1 AT+CGMI Request Manufacturer Identification ................................................. 35
3.2.2 AT+CGMM Request Model Identification .......................................................... 36
3.2.3 AT+CGMR Request TA Revision Identification of Software Release ................. 36
3.2.4 AT+CG SN Request Product Serial Number Identification .................................. 37
3.2.5 AT+CSCS Select TE Character Set ...................................................................... 37
3.2.6 AT+CIMI Request International Mobile Subscriber Identity ............................... 38
3.2.7 AT+CLCK Facility Lock ...................................................................................... 39
3.2.8 AT+CMEE Report Mobile Equipment Error ....................................................... 40
3.2.9 AT+COPS Operator Selection .............................................................................. 41
3.2.10 AT+CPAS Phone Activity Status .......................................................................... 43
3.2.11 AT+CPIN Enter PIN ............................................................................................ 43
3.2.12 AT+CPWD Change Password .............................................................................. 44
3.2.13 A
T+CRC Set Cellular Result Codes for Incoming Call Indication ...................... 46
3.2.14 AT+CREG Network Registration ......................................................................... 47
3.2.15 AT+CRSM Restricted SIM Access ...................................................................... 48
3.2.16 AT+CSQ Signal Quality Report ........................................................................... 49
3.2.17 AT+CPOL Preferred Operator List ...................................................................... 50
3.2.18 AT+COPN Read Operator Names ........................................................................ 51
3.2.19 AT+CFUN Set Phone Functionality ..................................................................... 51
3.2.20 AT+CCLK Clock ................................................................................................. 52
3.2.21 AT+CSIM Generic SIM Access ........................................................................... 53
3.2.22 AT+CBC Battery Charge ..................................................................................... 54
3.2.23 AT+CUSD Unstructured Supplementary Service Data ........................................ 55
4 AT Commands According to 3GPP TS 27.005 .................................. 56
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4.1 Overview of AT Commands According to 3GPP TS 27.005 ......................... 56
4.2 Detailed Descriptions of AT Commands According to 3GPP TS 27.005 ...... 56
4.2.1 AT+CMGD Delete SMS Message ....................................................................... 56
4.2.2 AT+CMGF Select SMS Message Format ............................................................ 57
4.2.3 AT+CMGL List SMS Messages from Preferred Store ......................................... 58
4.2.4 AT+CMGR Read SMS Message .......................................................................... 61
4.2.5 AT+CMGS Send SMS Message .......................................................................... 64
4.2.6 AT+CMGW Write SMS Message to Memory ..................................................... 65
4.2.7 AT+CMSS Send SMS Message from Storage ..................................................... 67
4.2.8 AT+CNMI New SMS Message Indications ......................................................... 68
4.2.9 AT+CPMS Preferred SMS Message Storage ....................................................... 70
4.2.10 AT+CRES Restore SMS Settings ......................................................................... 71
4.2.11 AT+CSAS Save SMS Settings ............................................................................. 72
4.2.12 AT+CSCA SMS Service Center Address ............................................................. 73
4.2.13 AT+CSDH Show SMS Text Mode Parameters .................................................... 74
4.2.14 AT+CSMP Set SMS Text Mode Parameters ........................................................ 74
4.2.15 AT+CSMS Select Message Service ..................................................................... 75
5 AT Commands Special for SIMCom ................................................. 77
5.1 Overview ........................................................................................................ 77
5.2 Detailed Descriptions of Commands ............................................................. 78
5.2.1 AT+CPOWD Power off ....................................................................................... 78
5.2.2 AT+CADC Read ADC ........................................................................................ 78
5.2.3 AT+CFGRI Indicate RI When Using URC ......................................................... 79
5.2.4 AT+CLTS Get Local Timestamp ......................................................................... 79
5.2.5 AT+CBAND Get and Set Mobile Operation Band .............................................. 81
5.2.6 AT+CNBP Set the state of the band preference ................................................... 82
5.2.7 AT+CNSMOD Show network system mode........................................................... 84
5.2.8 AT+CSCLK Configure Slow Clock ..................................................................... 84
5.2.9 AT+CCID Show ICCID ....................................................................................... 85
5.2.10 AT+CDEVICE View Current Flash Device Type ............................................... 86
5.2.1
1 AT+GSV Display Product Identification Information.......................................... 86
5.2.12 AT+SGPIO Control the GPIO .............................................................................. 86
5.2.13 AT+SLEDS Set the Timer Period of Net Light .................................................... 87
5.2.14 AT+CNETLIGHT Close the Net Light or Open It to Shining ............................. 88
5.2.15 AT+CSGS Netlight Indication of GPRS Status ................................................... 89
5.2.16 AT+CGPIO Control the GPIO by PIN Index ....................................................... 90
5.2.17 AT+CBATCHK Set VBAT Checking Feature ON/OFF ..................................... 90
5.2.18 AT+CNMP Preferred mode selection .................................................................. 91
5.2.19 AT+CMNB Preferred selection between CAT-M and NB-IoT ........................... 92
5.2.20 AT+CPSMS Power Saving Mode Setting............................................................ 92
5.2.21 AT+CEDRXS Entended-DRX Setting ................................................................ 94
5.2.22 AT+CPSI Inquiring UE system information ........................................................ 95
5.2.23 AT+CGNAPN Get Network APN in CAT-M Or NB-IOT ................................... 96
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