| AT Commands |
| Command |
Description |
Default Setting |
| $ |
Displays a basic command list; online help |
none |
| A/ |
Re-execute the last command; used to redial |
none |
| Any key |
Abort current connection attempt (resulting from an ATD or ATA command) |
none |
|
ATA
|
Answer |
none |
|
ATBn
|
Set CCITT or Bell mode |
none |
|
ATDn
|
Dial |
T |
| ATD$ |
Online help for the dial command |
none |
| ATDL |
Dial the last-dialed number |
none |
| ATDSn |
Dial number stored in NVRAM at location n |
none |
| ATEn |
Command mode local echo (display) of keyboard commands (n = 0 = OFF or n = 1 = ON) |
1 |
|
ATFn
|
On-line transmitted character echo |
1 |
| ATHn |
ON / OFF hook control (n = 0 = Go ON hook or hang up, n = 1 = Go OFF hook) |
none |
|
ATIn
|
Inquiry (display settings) |
none |
|
ATLn
|
Speaker volume |
2 |
|
ATMn
|
Speaker Control |
1 |
|
ATOn
|
Return to the on-line state |
none |
| ATP |
Set pulse dial as default |
none |
|
ATQn
|
Display result codes |
none |
| S$ |
Display contents of S-registers |
none |
| ATSn? |
Display contents of S-register n |
none |
| ATSr=n |
Set register r to value n |
See S-Register Settings below |
| ATSr.b=n |
Set bit .b of register r to value n (n = 0 = OFF or n = 1 = ON) |
none |
|
ATVn
|
Verbal / Numeric result codes |
1 |
|
ATXn
|
Result codes set option |
@ |
|
ATYn
|
Selects power-on/reset default |
0 |
|
ATZn
|
Reset |
None |
|
&$
|
Lists all "& commands" |
none |
|
AT&An
|
Enable/disable result codes subset |
3 |
|
AT&Bn
|
Serial port rate |
1 |
| AT&Cn |
CD option |
1 |
| AT&Dn |
DTR options |
2 |
|
AT&Fn
|
Restore factory configuration |
none |
|
AT&Gn
|
Set guard tone |
0 |
|
AT&Hn
|
Transmit data flow control |
1 |
|
AT&In
|
Receive data software flow control |
0 |
|
AT&Kn
|
Data compression |
1 |
|
AT&Mn
|
Error control |
4 |
|
AT&Nn
|
Variable link options |
0 |
|
AT&Pn
|
Pulse dialing make/break ratio |
0 |
|
AT&Rn
|
RTS options |
2 |
|
AT&Sn
|
DSR options |
0 |
|
AT&Tn
|
Testing |
5 |
|
AT&Un
|
Sets floor connect speed when n is greater than 0 |
0 |
|
AT&Wn
|
Write current settings to NVRAM templates |
Same as factory settings |
|
AT&Yn
|
Break handling |
1 |
| AT&Zn = s |
Write the dial string s (i.e. a phone number) to NVRAM at position n (n = 0 - 3). 36 characters max. per string |
none |
| AT&Zn = Ln |
Writes last executed dial string to NVRAM at position n (n = 0 - 3) |
none |
| AT&ZL? |
Displays the last executed dial string |
none |
| AT&Z? |
Display the phone number stored at position n (n = 0 - 3) |
none |
| Voice Commands |
| Command |
Description |
|
#CLSn
|
Selects data, fax, or voice mode |
|
#CID = n
|
Caller ID settings |
|
#VLS = n
|
Voice line select |
| #VRX |
Receives voice file from line, microphone, or handset |
| #VTX |
Transmits voice file to line, speaker, or handset |
| S-Register Settings |
| NVRAM |
S-Register |
Factory Default |
|
S0
|
Sets the number of rings in Auto Answer Mode |
1 |
|
S1
|
Stores the number of rings |
0 |
|
S2
|
Escape code character |
43 |
|
S3
|
Carriage return character |
13 |
|
S4
|
Line feed character |
10 |
|
S5
|
Backspace character |
8 |
|
S6
|
Dial wait-time, sec. |
2 |
|
S7
|
Carrier wait-time, sec. |
60 |
|
S8
|
Dial pause, sec. |
2 |
|
S9
|
Carrier detect time, 1/10th sec. |
6 |
|
S10
|
Carrier loss wait-time, 1/10th sec. |
7 |
|
S11
|
Tone duration, spacing, msec. |
70 |
|
S12
|
Escape code guard time, 1/50th sec. |
50 |
|
S13
|
Bit-mapped functions |
0 |
| S14 |
Reserved |
0 |
|
S15
|
Bit-mapped functions |
0 |
|
S16
|
Bit-mapped test |
0 |
| S17 |
Reserved |
0 |
|
S18
|
Test timer for &TN loopback |
0 |
|
S19
|
Inactivity/hang up timer |
0 |
|
S21
|
Break length, 10 msec. |
10 |
|
S22
|
XON character |
17 |
|
S23
|
XOFF character |
19 |
| S24 |
Reserved |
0 |
|
S25
|
DTR recognition time, 1/100th sec. |
20 |
| S26 |
Reserved |
0 |
|
S27
|
Bit-mapped functions |
0 |
|
S28
|
Multi-mode training program |
8 |
| S29 |
V.21 fallback delay, 1/10th sec. Reserved. |
20 |
| S30 |
Reserved |
20 |
| S31 |
Volume control for speakerphone |
128 |
| S32 |
Reserved |
0 |
| S33 |
Reserved |
0 |
| S34 |
Reserved |
0 |
| S35 |
Reserved |
0 |
| S36 |
Reserved |
0 |
| S37 |
Reserved |
0 |
|
S38
|
Disconnect wait time, sec. |
0 |
|
S39
|
Bit mapped |
0 |
