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AT* (Asterisk) Commands:   Motorola SM56 Software Modem User's Guide

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

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