Omni 56K II and Omni 56K Plus II User’s Guide

Chapter 5

Command Sets

This chapter lists the command sets that the Omni 56K II and Omni 56K Plus II modems support. These commands include data command sets, fax command sets and voice command sets.

5.1Data command sets

5.1.1Basic AT Command Sets
Table 5-1 Basic AT Command Sets

COMMAND

OPTIONS

FUNCTION & DESCRIPTION

REF.

 

 

 

 

A/

 

Re-execute the last command once.

 

 

 

 

 

A>

 

Re-execute the last command once or repeat the

 

 

 

last call up to 9 times. (See also S8)

 

 

 

 

 

<any key>

 

This command terminates the current connection

 

 

 

attempt when entered in handshaking state.

 

+++

 

This is the escape sequence code. When entered,

 

 

 

the modem returns to online command mode.

 

 

 

 

 

All the Following Commands Require an "AT" Prefix:

Table 5-2 AT Command Sets Requiring an "AT" Prefix

COMMAND

OPTIONS

FUNCTION & DESCRIPTION

REF.

 

 

 

 

A

 

Go online in answer mode. (See also S39.2,S43.6)

 

 

 

 

 

Bn

 

Handshake option.

S28.7

 

 

 

 

 

B0 *

Select CCITT V.22 for 1200 bps

 

 

 

 

 

 

B1

Select Bell 212A for 1200 bps communication.

 

 

 

 

 

Command Sets

5-1