Technical Reference for ZyXEL omni.net series
A-13
All the Following Commands Require a 'AT' Prefix
AT Com.
Options
Function & Description
Reference
&Kn
S27b0-1
&K0
Disables data compression
&K1
Automatic data compression (Default.)
&K2
Enables MNP 5 data compression
&K3
Enables V.42 bis data compression.
&K
nn
PPP/V.120/X.75 data compression control.
&K must be followed by two digits.
S83b2
&K00
Disable
V.42bis.
&K44
Enable V.42bis (PPP/V.120/X.75), STAC (PPP)
&L
n
POTS port selection during call answering.
S84b5
&L0
Set priority to POTS port, Phone 1.
&L1
Set priority to POTS port, Phone 2, and internal modem.
&O
n
Set default call type for conventional dialing commands.
S83b4-5
&O0
ATDs, ATDPs, and ATDTs default to make calls for the POTS
port, Phone 2, and fax/modem.
&O1
Auto-selection of 64kbps and 3.1 kHz on outgoing calls (LCD+M
only).
&O2
ATDs, ATDPs, and ATDTs default to make ISDN data calls.
&O3
ATDs, ATDPs, and ATDTs default to make calls for the POTS
port, Phone 1.
&S
n
Data Set Ready (DSR) function selection.
S21b3
&S0 (*)
DSR overridden, DSR always ON.
&S1
DSR according to CCITT (ITU-TSS). (See also S41b5, S44b4)
&T
n
omni.net
testing.
&T9
Initiate ISDN Loopback test.
&T10
Initiate ISDN Loopback with self-test.
&T11
Initiate ISDN Loopback from B1, through switch, to B2.
&V
n
View profile settings.
&V0
View current active settings.
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