Smart Machine Smart Decision
SIM7000 Series_AT Command Manual_V1.03 3 2018-05-08
Contents
Version History ......................................................................................... 11
1 Introduction ......................................................................................... 13
1.1 Scope of the document ................................................................................... 13
1.2 Related documents ......................................................................................... 13
1.3 Conventions and abbreviations ...................................................................... 13
1.4 AT Command syntax ...................................................................................... 13
1.4.1 Basic syntax ............................................................................................................ 14
1.4.2 S Parameter syntax .................................................................................................. 14
1.4.3 Extended Syntax ...................................................................................................... 14
1.4.4 Combining AT commands on the same Command line .......................................... 14
1.4.5 Entering successive AT commands on separate lines .............................................. 15
1.5 Supported character sets ................................................................................ 15
1.6 Flow control ................................................................................................... 15
1.6.1 Software flow control (XON/XOFF flow control) .................................................. 15
1.6.2 Hardware flow control (RTS/CTS flow control) ..................................................... 16
1.7 Definitions ...................................................................................................... 16
1.7.1 Parameter Saving Mode .......................................................................................... 16
1.7.2 Max Response Time ................................................................................................ 16
2 AT Commands According to V.25TER ............................................. 17
2.1 Overview of AT Commands According to V.25TER ..................................... 17
2.2 Detailed Description of AT Commands According to V.25TER .................... 18
2.2.1 A/ Re-issues the Last Command Given ............................................................... 18
2.2.2 ATD Mobile Originated Call to Dial A Number .................................................. 18
2.2.3 ATE Set Command Echo Mode ........................................................................... 19
2.2.4 ATH Disconnect Existing Connection ................................................................. 20
2.2.5 ATI Display Product Identification Information .................................................. 20
2.2.6 ATL Set Monitor speaker loudness ...................................................................... 21
2.2.7 ATM Set Monitor Speaker Mode ......................................................................... 21
2.2.8 +++ Switch from Data Mode or PPP Online Mode to Command Mode .............. 21
2.2.9 A
TO Switch from Command Mode to Data Mode .............................................. 22
2.2.10 ATQ Set Result Code Presentation Mode ............................................................ 22
2.2.11 ATS0 Set Number of Rings before Automatically Answering the Call................ 23
2.2.12 ATS3 Set Command Line Termination Character ................................................ 23
2.2.13 ATS4 Set Response Formatting Character ........................................................... 24
2.2.14 ATS5 Set Command Line Editing Character ....................................................... 25
2.2.15 ATS6 Pause Before Blind Dialling ....................................................................... 25
2.2.16 ATS7 Set Number of Seconds to Wait for Connection Completion ..................... 26
2.2.17 ATS8 Set Number of Seconds to Wait for Comma Dial Modifier Encountered in
Dial String of D Command ..................................................................................................... 26
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