Table of Contents
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Index
1
11-Bit Mode..............................................................16
A
Abort Timer S7 .........................................................27
Adaptive Answer Result Code Enable %A...............15
Answer A....................................................................9
Asynchronous Communications Mode &Q...............13
Asynchronous Word Length $EB .............................16
AT Command Control %DC .....................................15
AT commands
$D – DTR Dialing..................................................16
$EB – Asynchronous Word Length.......................16
$FC – Quick Connect ...........................................16
$LB – Long Break.................................................16
$MB – Modem Baud Rate ....................................17
$RP – Response Priority ......................................17
$SB – Serial Port Baud Rate ................................17
%%%ATMTSMODEM – Escape Configuration for
Remote Configuration .......................................24
%A – Adaptive Answer Result Code Enable ........15
%B – View Numbers in Blacklist...........................15
%C – Data Compression Control..........................15
%DC – AT Command Control...............................15
%DT – Set Command Mode Time........................16
%E – Fallback and Fall Forward Control ..............16
%H – Direct Connect Enable ................................16
%M – Enable Dialing Message.............................10
%R – Cisco Configuration ....................................16
%S – Command Speed Response .......................16
&C – DCD Control ................................................12
&D – DTR Control.................................................12
&E – XON/XOFF Pacing ......................................12
&F – Load Factory Settings ..................................12
&G – V.22bis Guard Tone Control........................12
&K – Flow Control Selection .................................13
&L – Leased-Line Operation.................................13
&Q – Asynchronous Communications Mode ........13
&S – Data Set Ready (DSR) Control ....................13
&T – V.54 Test......................................................13
&V – Display Current Settings ..............................13
&W – Store Current Configuration ........................13
&Z= – Storing a Dialing Command .......................14
+++AT – Escape Sequence.................................24
+DCS= – Select V.44 Data Compression .............19
+DR= – V.44 Data Compression Reporting..........19
+DS44= – V.44 Data Compression ......................20
+MS= – Modulation Selection...............................21
+PCW= – Call Waiting Enable..............................18
+PIG= – PCM Upstream Enable...........................18
+PMH= – Modem on Hold Enable ........................18
+PMHF – V.92 Modem Hook Flash ......................18
+PMHR= – Modem on Hold Initiate ......................18
+PMHT= – Modem on Hold Timer........................19
+PQC= – Quick Connect Control..........................19
+VCID= – Caller ID Selection ...............................22
+VDR= – Distinctive Ring Report .........................22
+VRID – Caller ID Query ......................................22
Multi-Tech Systems, Inc. AT Commands Reference Guide (PN S000272E)
A – Answer .............................................................9
\A – Select Maximum MNP Block Size .................14
A/ – Repeat.............................................................9
AT – Attention Code ...............................................9
B – Communication Standard Setting.....................9
\B – Transmit Break..............................................14
-C – Data Calling Tone .........................................15
D – Dial...................................................................9
DS=n – Dial Stored Telephone Number ...............10
E – Echo ...............................................................10
F – Echo Online Data Characters.........................10
H – Hook Control ..................................................10
I – Information Request ........................................10
\K – Break Control ................................................14
M – Monitor Speaker Mode ..................................10
\N – Error Correction Mode Selection...................14
N – Modulation Handshake ..................................11
O – Return Online to Data Mode ..........................11
P – Pulse Dialing ..................................................11
\Q – Flow Control Selection ..................................15
Q – Result Codes Enable/Disable ........................11
Sr? – Read Register Value ...................................11
Sr= – Set Register Value ......................................11
\T – Inactivity Timer ..............................................15
T – Tone Dialing ...................................................11
\V – Protocol Result Code ....................................15
V – Result Code Form ..........................................11
W – Result Code Options .....................................11
X – Result Code Selection....................................12
Z – Modem Reset .................................................12
AT Commands Definition ...........................................5
Attention Code AT......................................................9
Autoanswer S0.........................................................27
B
Backspace Character Setting S5 .............................27
Blacklisting %B.........................................................15
Break Control \K.......................................................14
Busy-Out Timer at End of Call *DW .........................26
C
Call Waiting Enable +PCW= ....................................18
Callback Attempts #CBA..........................................23
Callback Delay #CBD...............................................23
Callback Enable/Disable #CBS ................................24
Callback Failed Attempts Display #CBF?.................23
Callback Failed Attempts Reset #CBFR ..................23
Callback Parity #CBP...............................................23
Callback Security commands
#CBA – Callback Attempts ...................................23
#CBD – Callback delay.........................................23
#CBF? – Callback Failed Attempts Display ..........23
#CBFR – Resetting Failed Attempts.....................23
#CBI – Local Inactivity Timer ................................23
#CBN= – Store Callback Password ......................23
#CBP – Callback Parity ........................................23
#CBR – Callback Security Reset ..........................23
#CBS – Callback Enable/Disable .........................24
#P – Set 11-bit Parity............................................24
Chapter 3 – Result Codes
31
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