ZyXEL U-336E User Manual - Page 27

Dialing and Answering Techniques

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Your modem responds OK This confirms that the modem and your computer are communicating correctly. To test the telephone line connection issue the manual answer command. Type: ATA Your modem will pick up the phone line, and try to communicate. Normally, this command is only used to answer an incoming call made from another modem, thus the high pitched tone you will hear from the speaker. To abort the operation, press any key, or select "Disconnect" from the "Call" menu. Dialing and Answering Techniques Depending on what communications software you use to make modem connections, you may not have as much control of how the modem dials the telephone number. This section shows some useful examples of the AT commands used for dialing and answering operations. The command characters specific to each function are shown in bold type. ONOTE: Dialing using the ATD Command Touch Tone Dialing: ATDT 555 1212 Pulse Dialing: ATDP 555 1212 Tone and Pulse Dialing: ATDP 555 1212 WT 24 Dialing Through a PBX: ATDT 9 W 555 1212 THE 'W' IN THE DIAL STRING WILL CAUSE THE MODEM TO WAIT FOR A SECOND DIAL TONE BEFORE IT CONTINUES TO DIAL. Basic Modem Operation 15

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Basic Modem Operation
15
Your modem responds
OK
This confirms that the modem and your computer are
communicating correctly.
To test the telephone line connection issue the manual answer
command.
Type:
ATA<Enter>
Your modem will pick up the phone line, and try to communicate.
Normally, this command is only used to answer an incoming call
made from another modem, thus the high pitched tone you will hear
from the speaker. To abort the operation, press any key, or select
“Disconnect” from the “Call” menu.
Dialing and Answering Techniques
Depending on what communications software you use to make
modem connections, you may not have as much control of how the
modem dials the telephone number. This section shows some useful
examples of the AT commands used for dialing and answering
operations. The command characters specific to each function are
shown in bold type.
Dialing using the ATD Command
Touch Tone Dialing:
ATD
T
555 1212
Pulse Dialing:
ATD
P
555 1212
Tone and Pulse Dialing:
ATD
P
555 1212 W
T
24
Dialing Through a PBX:
ATDT 9
W
555 1212
O
N
OTE
:
T
HE
'W'
IN THE DIAL STRING WILL CAUSE THE MODEM TO WAIT FOR A SECOND
DIAL TONE BEFORE IT CONTINUES TO DIAL
.