User`s manual
AT Command Reference Manual
1048 v
Table of Contents
1. INTRODUCTION...........................................................................................................................................................1-1
1.1 OVERVIEW..........................................................................................................................................................1-1
1.1.1 Command Syntax....................................................................................................................................1-1
1.1.2 Command Descriptions............................................................................................................................1-1
1.1.3 Call Progress and Blacklisting Parameters...............................................................................................1-2
1.1.4 ConfigurACE II for Windows Utility Program.............................................................................................1-2
1.2 REFERENCE DOCUMENTATION ........................................................................................................................1-2
2. COMMAND SYNTAX ....................................................................................................................................................2-1
2.1 DTE/DCE INTERCHANGE CIRCUITS...................................................................................................................2-1
2.2 COMMAND SYNTAX AND GUIDELINES..............................................................................................................2-1
2.2.1 DTE Commands......................................................................................................................................2-1
2.2.2 DTE Command Lines...............................................................................................................................2-1
2.3 AT COMMAND GUIDELINES ...............................................................................................................................2-1
2.3.1 Basic Command Syntax...........................................................................................................................2-1
2.3.2 Extended Command Syntax ....................................................................................................................2-1
3. AT COMMAND SET......................................................................................................................................................3-1
3.1 AT COMMAND GUIDELINES ...............................................................................................................................3-1
3.1.1 AT Commands, DTE Adaption.................................................................................................................3-1
3.1.2 AT Command Format ..............................................................................................................................3-1
3.1.3 Escape Code Sequence ..........................................................................................................................3-1
3.2 AT COMMAND SET .............................................................................................................................................3-2
3.2.1 AT Commands ........................................................................................................................................3-2
A/ - Re-execute Command ...................................................................................................................3-2
AT= x - Write to Selected S-Register ....................................................................................................3-2
AT? - Read Selected S-Register ...........................................................................................................3-2
A - Answer ...........................................................................................................................................3-2
Bn - CCITT or Bell ................................................................................................................................3-2
Cn - Carrier Control ..............................................................................................................................3-3
Dn - Dial...............................................................................................................................................3-3
En - Command Echo ............................................................................................................................3-4
Fn - Select Line Modulation (RC144 Models Only) ................................................................................3-5
Hn - Disconnect (Hang-Up)...................................................................................................................3-6
In - Identification...................................................................................................................................3-6
Ln - Speaker Volume............................................................................................................................3-6
Mn - Speaker Control ...........................................................................................................................3-7
Nn - Automode Enable .........................................................................................................................3-7
On - Return to On-Line Data Mode.......................................................................................................3-7
P - Set Pulse Dial Default .....................................................................................................................3-8
Qn - Quiet Results Codes Control.........................................................................................................3-8
Sn - Read/Write S-Register ..................................................................................................................3-8
T - Set Tone Dial Default ......................................................................................................................3-9
Vn - Result Code Form.........................................................................................................................3-9
Wn - Connect Message Control............................................................................................................3-9
Xn - Extended Result Codes...............................................................................................................3-10
Yn - Long Space Disconnect...............................................................................................................3-13
Zn - Soft Reset and Restore Profile ....................................................................................................3-13
3.2.2 AT& Commands ....................................................................................................................................3-14
&Cn - RLSD (DCD) Option..................................................................................................................3-14
&Dn - DTR Option ..............................................................................................................................3-14
&Fn - Restore Factory Configuration (Profile)......................................................................................3-14
&Gn - Select Guard Tone ...................................................................................................................3-15