ZyXEL Communications omni.net Plus - Manual (Page 50)

Technical Reference for ZyXEL omni.net series
4-2
and the characters sent from your computer (through the TA) are transmitted to the remote device.
In order to issue an AT command statement, you first need to run your communications software
and configure it to the port connected to your omni.net. (Refer to your communications software
manual.)
Additional AT Command Set for Internal Fax/Modem (for ZyXEL
omni.net LCD+M only)
Beside the AT commands supported by omni.net LCD, there are additional AT commands for
internal fax/modem usage to control speaker (ATMn and ATLn), data compression (AT&Kn),
modem dial out (ATDMs), fax command set (EIA Class 1 fax commands), etc.