Chapter 2 - Quick Start

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 or ATH

Manually Disconnecting a Call:

+++ATH

MT5634ZLX/E

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Multi-Tech Systems MT5634ZLX 2, MT5634ZLXE-T manual Dialing and Answering Techniques