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AT Cmd
Function
Mode
Value
Setting
3
On-to-Off, Reset to Default Configuration
&F
Reset to Default Configuration
DFV
-
-
&F=n
Reset to Specific Country
DFV
N
See table A for values of N
&G
Guard Tone
DFV
0
Off
1
550 Hz
2
1800 Hz
&I
Dial TX Level
DFV
0 -15
TX levels 0 through -15 (default -9)
&P
Pulse Cycle
DFV
0
40/60 Make/Break Ratio
1
33.5/66.5 Make/Break Ratio
2
38.5/61.5 Make/Break Ratio
&R
CTS Control
DFV
0
Normal
1
Always On
&S
DSR Control
DFV
0
Always On
1
On When Modem Recognizes Remote
&T
Test
DF
0
End Test
1
Initiate LAL
&V
Modem Status
DFV
0,1
Short Form
2
Long Form
%B
Max Modulation Rate
DFV
0
Maximum Rate (33600 bps)
1
300 bps
2
1200 bps
3
2400 bps
4
4800 bps
5
600 bps
6
9600 bps
7
7200 bps
8
12000 bps
9
14400 bps
11
16800 bps
12
19200 bps
13
21600 bps
14
24000 bps
15
26400 bps
16
28800 bps
17
31200 bps
18
33600 bps
19
32000 bps
20
34000 bps
21
36000 bps
22
38000 bps
23
40000 bps
24
42000 bps
25
44000 bps
26
46000 bps
27
48000 bps
28
50000 bps
29
52000 bps
30
54000 bps
31
56000 bps
32
58000 bps
33
60000 bps