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Basic Modem Operation 7
Pausing During Dialing: ATDT 9,,555 1212
Dialing Without Waiting for Dial Tone: ATX0D, 555 1212
Originating a call using an Answer Tone: ATDT 555 1212,,,,,,R
Redialing the Last Number Called: ATDL
Waiting for Five Seconds of Silence: ATDT 800 555 1212 @
123456,1 714 555 1212
Transferring a Call (using flash hook): ATDT! 2468
Auto-Answer and Hook Controls
Enabling Auto-Answer: ATS0=n
Note: In this example, n is a number from 1 to 255 that corresponds to the
number of rings after which your modem answers an incoming call.
Disabling Auto-Answer: ATS0=0
Manually Answering a Call: ATA
Take modem off-hook: ATH1
Hang up modem (on-hook): ATH0
Manually Disconnecting a Call: +++ATH
Making Your First Connection
Use the connection you created in the Hyper Terminal program to dial the ZyXEL
BBS. If you are using a different terminal program, run the program according to the
instructions provided with it.
Start the terminal program by double-clicking the Test Connection icon. When the
terminal window appears, enter the dial command with ZyXEL’s BBS
(+88635776274) as the phone number.
Type:
ATDT<Phone number> <enter>
The modem will go off-hook, dial the number, and after a few seconds of negotiation
tones, you should be connected to our BBS.
You will receive a login message asking for your name. For the purposes of this
example you need not continue. Just click the
“
disconnect
”
icon on the toolbar.
Quick Tips when issuing AT Commands
• The ENTER or RETURN key must be pressed to execute a command.