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AT Cmd
Function
Mode
Value
Setting
\V
Connect Message Format
DFV
0
Display DTE Rate
1
Display DTE Rate with EC/DC Info
2
Display DCE Rate
3
Display DCE Rate with EC/DC Info
4
Display DCE Rate with EC/DC and Modulation Info
*BA
Baud Rate When Answer
DFV
0
2400 only
3
2400 or 3000
4
2400, 3000, or 3200
5
2400, 3000, 3200, or 3429
*BO
Baud Rate When Originate
DFV
0
2400 only
3
2400 or 3000
4
2400, 3000, or 3200
5
2400, 3000, 3200, or 3429
10
2400, low Carrier Frequency (overrides *BA)
11
2400, high Carrier Frequency (overrides *BA)
12
3000, low Carrier Frequency (overrides *BA)
13
3000, high Carrier Frequency (overrides *BA)
14
3200, low Carrier Frequency (overrides *BA)
15
3200, high Carrier Frequency (overrides *BA)
16
3429, low Carrier Frequency (overrides *BA)
17
3429, high Carrier Frequency (overrides *BA)
*CDL
Clear Delay/Forbid Lists
DFV
-
-
*CT
Status Information
DFV
0
Display EIA Info. See Table B
1
Display Disconnect Code. See Table C.
2
Display Ring Count
*DCN
Display Country Number
DFV
-
Number will be the same as in Table A
*DD
Dial Wait
DFV
0
2 Seconds
1
3 Seconds
2
4 Seconds
3
6 Seconds
4
12 Seconds
5
15 Seconds
6
20 Seconds
7
30 Seconds
8
40 Seconds
*HO
Homologation Strap
DFV
Multi-Parameter
Parameters described in Appendix E
*LS
Low Speed
DFV
0
Bell 103
1
CCITT V.21
2
Bell 103 or V.21
*MM
Modulation Mode
DFV
0
V.34 Auto
1
V.21
2
Bell 103
4
V.22/Bell 212
5
V.22bis
6
V.23
10
V.32
11
V.32bis
12
V.34 Only
13
V.PCM Only
14
V.PCM Auto
*TD
Dial TX Level
DFV
0 - 15
TX Level 0 through -15 (default -9)
+A8E
V.8 Origination Negotiation
DFV
0
Disable
1
Enable DCE-controlled V.8 orig neg