SIM800 Series_AT Command
Manual_V1.10
SIMCOM CONFIDENTIAL FILE
Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.10 2 2016-10-20
Document Title: SIM800 Series AT Command Manual
Version: 1.10
Date: 2016-10-20
Status: Release
Document Control ID: SIM800 Series_AT Command Manual_V1.10
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. 2016
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SIM800 Series_AT Command Manual_V1.10 3 2016-10-20
Contents
Version History ......................................................................................... 14
1 Introduction ............................................................................................ 23
1.1 Scope of the document ....................................................................................... 23
1.2 Related documents ............................................................................................. 23
1.3 Conventions and abbreviations........................................................................... 23
1.4 AT Command syntax .......................................................................................... 23
1.4.1 Basic syntax ................................................................................................................... 24
1.4.2 S Parameter syntax ......................................................................................................... 24
1.4.3 Extended Syntax............................................................................................................. 24
1.4.4 Combining AT commands on the same Command line ................................................. 24
1.4.5 Entering successive AT commands on separate lines ..................................................... 25
1.5 Supported character sets ..................................................................................... 25
1.6 Flow control ....................................................................................................... 25
1.6.1 Software flow control (XON/XOFF flow control) ......................................................... 25
1.6.2 Hardware flow control (RTS/CTS flow control) ............................................................ 26
1.7 Definitions .......................................................................................................... 26
1.7.1 Parameter Saving Mode ................................................................................................. 26
1.7.2 Max Response Time ....................................................................................................... 26
2 AT Commands According to V.25TER ................................................ 27
2.1 Overview of AT Commands According to V.25TER ......................................... 27
2.2 Detailed Description of AT Commands According to V.25TER ........................ 28
2.2.1 A/ Re-issues the Last Command Given ....................................................................... 28
2.2.2 ATA Answer an Incoming Call .................................................................................... 28
2.2.3 ATD Mobile Originated Call to Dial A Number .......................................................... 29
2.2.4 ATD><n> Originate Call to Phone Number in Current Memory ................................ 31
2.2.5 ATD><str> Originate Call to Phone Number in Memory Which Corresponds to
Field <str> ............................................................................................................................... 32
2.2.6 ATDL Redial Last Telephone Number Used ............................................................... 33
2.2.7 ATE Set Command Echo Mode .................................................................................. 34
2.2.8 ATH Disconnect Existing Connection ......................................................................... 35
2.2.9 ATI Display Product Identification Information ......................................................... 35
2.2.10 ATL Set Monitor speaker loudness ........................................................................... 36
2.2.11 ATM Set Monitor Speaker Mode .............................................................................. 36
2.2.12 +++ Switch from Data Mode or PPP Online Mode to Command Mode................... 36
2.2.13 ATO Switch from Command Mode to Data Mode ................................
.................... 37
2.2.14 ATP Select Pulse Dialling .......................................................................................... 37
2.2.15 ATQ Set Result Code Presentation Mode.................................................................. 38
2.2.16 ATS0 Set Number of Rings before Automatically Answering the Call ..................... 38
2.2.17 ATS3 Set Command Line Termination Character ..................................................... 39
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2.2.18 ATS4 Set Response Formatting Character ................................................................ 39
2.2.19 ATS5 Set Command Line Editing Character ............................................................. 40
2.2.20 ATS6 Pause Before Blind Dialling ............................................................................ 40
2.2.21 ATS7 Set Number of Seconds to Wait for Connection Completion .......................... 41
2.2.22 ATS8 Set Number of Seconds to Wait for Comma Dial Modifier Encountered in
Dial String of D Command ..................................................................................................... 42
2.2.23 ATS10 Set Disconnect Delay after Indicating the Absence of Data Carrier.............. 42
2.2.24 ATT Select Tone Dialing ........................................................................................... 43
2.2.25 ATV TA Response Format ....................................................................................... 43
2.2.26 ATX Set CONNECT Result Code Format and Monitor Call Progress ..................... 44
2.2.27 ATZ Reset Default Configuration ............................................................................. 45
2.2.28 AT&C Set DCD Function Mode ............................................................................... 45
2.2.29 AT&D Set DTR Function Mode................................................................................ 46
2.2.30 AT&F Factory Defined Configuration ...................................................................... 46
2.2.31 AT&V Display Current Configuration ...................................................................... 47
2.2.32 AT&W Store Active Profile ...................................................................................... 47
2.2.33 AT+GCAP Request Complete TA Capabilities List .................................................. 49
2.2.34 AT+GMI Request Manufacturer Identification ......................................................... 49
2.2.35 AT+GMM Request TA Model Identification ............................................................ 50
2.2.36 AT+GMR Request TA Revision Identification of Software Release ......................... 50
2.2.37 AT+GOI Request Global Object Identification ......................................................... 51
2.2.38 AT+GSN Request TA Serial Number Identification (IMEI) ..................................... 51
2.2.39 AT+ICF Set TE-TA Control Character Framing ....................................................... 52
2.2.40 AT+IFC Set TE-TA Local Data Flow Control .......................................................... 52
2.2.41 AT+IPR Set TE-TA Fixed Local Rate ....................................................................... 53
2.2.42 AT+HVOIC Disconnect Voice Call Only .................................................................. 55
3 AT Commands According to 3GPP TS 27.007 ..................................... 56
3.1 Overview of AT Command According to 3GPP TS 27.007 ............................... 56
3.2 Detailed Descriptions of AT Command According to 3GPP TS 27.007 ............ 57
3.2.1 AT+CACM Accumulated Call Meter (ACM) Reset or Query .................................... 57
3.2.2 AT+CAMM Accumulated Call Meter Maximum (ACM max) Set or Query ............. 58
3.2.3 AT+CAOC Advice of Charge ..................................................................................... 59
3.2.4 AT+CBST Select Bearer Service Type ........................................................................ 60
3.2.5 AT+CCFC Call Forwarding Number and Conditions Control .................................... 61
3.2.6 AT+CCWA Call Waiting Control ................................................................................ 63
3.2.7A
T+CEER Extended Error Report ............................................................................... 64
3.2.8 AT+CGMI Request Manufacturer Identification ........................................................ 67
3.2.9 AT+CGMM Request Model Identification ................................................................. 67
3.2.10 AT+CGMR Request TA Revision Identification of Software Release ...................... 68
3.2.11 AT+CGSN Request Product Serial Number Identification (Identical with +GSN)... 68
3.2.12 AT+CSCS Select TE Character Set ........................................................................... 69
3.2.13 AT+CSTA Select Type of Address ............................................................................ 70
3.2.14 AT+CHLD Call Hold and Multiparty ........................................................................ 70
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3.2.15 AT+CIMI Request International Mobile Subscriber Identity .................................... 71
3.2.16 AT+CLCC List Current Calls of ME ......................................................................... 72
3.2.17 AT+CLCK Facility Lock ........................................................................................... 73
3.2.18 AT+CLIP Calling Line Identification Presentation ................................................... 75
3.2.19 AT+CLIR Calling Line Identification Restriction ..................................................... 76
3.2.20 AT+CMEE Report Mobile Equipment Error............................................................. 77
3.2.21 AT+COLP Connected Line Identification Presentation ............................................ 78
3.2.22 AT+COPS Operator Selection ................................................................................... 80
3.2.23 AT+CPAS Phone Activity Status ............................................................................... 81
3.2.24 AT+CPBF Find Phonebook Entries ........................................................................... 82
3.2.25 AT+CPBR Read Current Phonebook Entries ............................................................ 83
3.2.26 AT+CPBS Select Phonebook Memory Storage ......................................................... 84
3.2.27 AT+CPBW Write Phonebook Entry .......................................................................... 85
3.2.28 AT+CPIN Enter PIN .................................................................................................. 86
3.2.29 AT+CPWD Change Password ................................................................................... 87
3.2.30 AT+CR Service Reporting Control ........................................................................... 88
3.2.31 AT+CRC Set Cellular Result Codes for Incoming Call Indication ........................... 89
3.2.32 AT+CREG Network Registration .............................................................................. 90
3.2.33 AT+CRLP Select Radio Link Protocol Parameters ................................................... 91
3.2.34 AT+CRSM Restricted SIM Access ........................................................................... 92
3.2.35 AT+CSQ Signal Quality Report ................................................................................ 93
3.2.36 AT+VTD Tone Duration............................................................................................ 94
3.2.37 AT+VTS DTMF and Tone Generation ...................................................................... 95
3.2.38 AT+CMUX Multiplexer Control ............................................................................... 96
3.2.39 AT+CNUM Subscriber Number ................................................................................ 97
3.2.40 AT+CPOL Preferred Operator List ............................................................................ 98
3.2.41 AT+COPN Read Operator Names ............................................................................. 99
3.2.42 AT+CFUN Set Phone Functionality ........................................................................ 100
3.2.43 AT+CCLK Clock ..................................................................................................... 101
3.2.44 AT+CSIM Generic SIM Access .............................................................................. 101
3.2.45 AT+CALM Alert Sound Mode ................................................................................ 102
3.2.46 AT+CALS Alert Sound Select................................................................................. 103
3.2.47 AT+CRSL Ringer Sound Level ............................................................................... 104
3.2.48 AT+CLVL Loud Speaker Volume Level ................................................................. 104
3.2.49 AT+CMUT Mute Control ................................
........................................................ 105
3.2.50 AT+CPUC Price Per Unit and Currency Table ........................................................ 106
3.2.51 AT+CCWE Call Meter Maximum Event ................................................................ 107
3.2.52 AT+CBC Battery Charge ......................................................................................... 108
3.2.53 AT+CUSD Unstructured Supplementary Service Data ........................................... 108
3.2.54 AT+CSSN Supplementary Services Notification .................................................... 109
4 AT Commands According to 3GPP TS 27.005 ................................... 111
4.1 Overview of AT Commands According to 3GPP TS 27.005 ............................ 111
4.2 Detailed Descriptions of AT Commands According to 3GPP TS 27.005 ......... 111
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