The modem responds to the following AT* command options.
The letters AT (or at) must precede all commands except A/ and +++. Factory-default options are underlined.
Command | Option | Description |
*DD |
|
Dial Wait Specifies the time interval to wait when the modem encounters a W or w while processing a dial string |
*DD0 |
2 Seconds |
*DD1 |
3 Seconds |
|
*DD2 |
4 Seconds |
|
*DD3 |
5 Seconds |
|
*DD4 |
12 Seconds |
|
*DD5 |
15 Seconds |
|
*DD6 |
20 Seconds |
|
*DD7 |
30 Seconds |
|
*DD8 |
40 Seconds |
|
*LS |
|
Low-Speed Operation Protocol Lets you select a communications protocol to communicate with very low-speed or older modems. |
*LS0 |
Bell 103 |
|
*LS1 |
ITU-T V.21 (international standard) |
|
*LS2 |
Bell 103 or ITU-T V.21 (Auto determination) |
|
*MM |
|
Modulation Mode |
*MM0 |
V.34 Auto Modulation |
|
*MM1 |
V.21 |
|
*MM2 |
Bell 103 |
|
*MM4 |
V.22/Bell 212 |
|
*MM5 |
V.22bis |
|
*MM6 |
V.23 |
|
*MM10 |
V.32 Only |
|
*MM11 |
V.32 bis |
|
*MM12 |
V.34 Only |
|
*MM13 |
K56flex™ Only |
|
*MM14 |
K56flex™ Auto-modulation |
|
*MM15 |
V.90 Only |
|
*MM16 |
V.90 Auto |
|
*MM17 |
V.92 Only |
|
*MM18 |
V.92 Auto |
Table 1: AT* (Asterisk) Commands