27
Extended Result Codes
Disabled
:
Displays only the basic result coded OK, CONNECT,
RING, NO CARRIER, ERROR.
Enabled
:
Displays the basic result coded, along with the Connect
message and the modem’s data rate, and an indication of
the modem’s error control and data compression operation.
Dial Tone Detect
Disabled:
The modem dials a call regardless of whether it detects a
dial tone. The period of time the modem waits before
dialing is specified.
Enabled:
The modem dials only upon detection of a dial tone, and
disconnects if a dial tone is not detected within 10
seconds.
Busy Tone Detect
Disabled:
The modem ignores any busy tones it receives.
Enabled:
The modem monitors for busy tones.
Reset and recall stored profile
ATZ0
Loads saved configuration to active profile. If the modem is
connected to the line, it is disconnected.
+++
Escape characters. The escape characters are known as
+++. They will switch from on-line mode to command
mode while preserving the connection with the on line
modem.
Extended AT Commands
Command
Description
Line Signal Detect (aka Carrier Detect)
AT&C0
Forces DCD signal to be on at all times.
AT&C1
Standard RS-232. Line Signal Detect turns on when remote
modem’s carrier signal is detected, and when signal is not
detected. (default)
Command Reference
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