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AT commands
Select the operating mode of the modem using AT
commands.
All commands, in the same command line, which follow
command A are ignored.
ATA
This command puts the unit into the automatic incoming
mode. The modem replies immediately to the calling,
regardless of the value of S0 register (the count of bell
ringing required for a reply). When the carrier of a destina-
tion modem is not detected within the time specified using
S7 register after reply, this command sends NO CARRIER
back to your personal computer to disconnect a line and
returns the current mode to command mode.
P O I N T
All commands in the same command line that follow
command A are ignored.
ATDx
This command is used when dialing a telephone number.
You can specify a pulse dial or tone dial for dialing.
T
Dials using a tone dial.
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