Table Of Contents - Siemens TC37 Module At Command Reference

AT Command Set
Contents
0 Version History .............................................................................................7
1 Introduction .................................................................................................10
1.1 Scope of the document ...........................................................................................................10
1.2 Supported product versions and related documents ..............................................................10
1.3 Conventions ............................................................................................................................11
1.4 AT command syntax ...............................................................................................................11
1.4.1 Using parameters....................................................................................................................11
1.4.2 Combining AT commands on the same command line ..........................................................12
1.4.3 Entering successive AT commands on separate lines ...........................................................12
1.5 Supported character sets ........................................................................................................13
1.6 Flow control .............................................................................................................................14
1.6.1 Software flow control (XON/OFF flow control) ........................................................................14
1.6.2 Hardware flow control (RTS/CTS flow control) .......................................................................14
2 Standard V.25ter AT Commands ...............................................................15
2.1 A/ Repeat previous command line .........................................................................................15
2.2 +++ Switch from data mode to command mode ....................................................................15
2.3 AT\Qn Flowcontrol .................................................................................................................16
2.4 ATA Answer a call..................................................................................................................16
2.5 ATD Mobile originated call to dial a number ..........................................................................17
2.6 ATD><mem><n> Originate call to phone number <n> in memory <mem> ..........................18
2.7 ATD><n> Originate call to phone number selected from active memory..............................20
2.8 ATD><str> Originate call to phone number in memory with corresponding field ..................21
2.9 ATDI Mobile originated call to dialable ISDN number <n> ....................................................22
2.10 ATDL Redial last telephone number used .............................................................................23
2.11 ATE Enable command echo ..................................................................................................24
2.12 ATH Disconnect existing connection .....................................................................................24
2.13 ATI Display product identification information........................................................................25
2.14 ATI[value] Display additional identification information..........................................................25
2.15 ATL Set monitor speaker loudness........................................................................................26
2.16 ATM Set monitor speaker mode ............................................................................................26
2.17 ATO Switch from command mode to data mode...................................................................26
2.18 ATQ Set result code presentation mode................................................................................27
2.19 ATP Select pulse dialling .......................................................................................................27
2.20 ATS0 Set number of rings before automatically answering the call ......................................27
2.21 ATS2 Escape code sequence................................................................................................28
2.22 ATS3 Write command line termination character ..................................................................28
2.23 ATS4 Set response formatting character...............................................................................28
2.24 ATS5 Write command line editing character..........................................................................29
2.25 ATS6 Set pause before blind dialling.....................................................................................29
2.26 ATS7 Set number of seconds to wait for connection completion ..........................................30
2.27 ATS8 Set number of seconds to wait for comma dial modifier ..............................................30
2.28 ATS10 Set disconnect delay after indicating the absence of data carrier .............................31
2.29 ATS18 Extended error report.................................................................................................31
2.30 ATT Select tone dialling .........................................................................................................31
2.31 ATV Set result code format mode..........................................................................................32
2.32 ATX Set CONNECT result code format and call monitoring..................................................32
2.33 ATZ Set all current parameters to user defined profile ..........................................................33
2.34 AT&C Set circuit Data Carrier Detect (DCD) function mode..................................................33
2.35 AT&D Set circuit Data Terminal Ready (DTR) function mode ...............................................34
2.36 AT&F Set all current parameters to manufacturer defaults ...................................................34
2.37 AT&S Set circuit Data Set Ready (DSR) function mode........................................................35
2.38 AT&V Display current configuration .......................................................................................36
TC3X_ATC_01_V04.00 Page 3 of 204 29.05.2002