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Chapter 2 - Quick Start
MT5634ZLX/FE
To test the telephone line connection, issue the manual answer command ATA<Enter>. The
MT5634ZLX/FE 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 noise
you will hear from the speaker. To abort the operation, click 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 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: ATDT 555 1212
Pulse Dialing: ATDP 555 1212
Tone and Pulse Dialing: ATDP 555 1212 WT 24
Pausing During Dialing: ATDT 9,,555 1212
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