16 Basic Modem Operation
Tone and Pulse Dialing: ATDP 555 1212 WT 24
Dialing Through a PBX: ATDT 9 W 555 1212
ONOTE: THE 'W' IN THE DIAL STRING WILL CAUSE THE MODEM TO WAIT FOR A SECOND
DIAL TONE BEFORE IT CONTINUES TO DIAL.
Pausing During Dialing: ATDT 9,,555 1212
ONOTE: THE PAUSE TIME FOR EACH COMMA IS DEFINED BY S REGISTER S8. DEFAULT
IS 2 SECONDS PER COMMA.
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
ONOTE: 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
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