C-6 User’s Manual
AT Commands
Dial tone detect
Disabled: The modem dials a call regardless of whether it detects a dial
tone.
Enabled: The modem dials only upon detection of a dial tone, and
disconnects the call if the 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.
Result Codes:
OK n=0,1,2,3,4,5
ERROROtherwise
Zn Recall stored profile
The modem performs a soft reset and restores (recalls) the configuration
profile according to the parameter supplied. If no parameter is specified,
zero is assumed. Either Z0 or Z1 restores the profile.
Result Codes:
OK n=0,1
ERROROtherwise
&Cn Data Carrier Detect (DCD) control
Data Carrier Detect is a signal from the modem to the computer indicating
that a carrier signal is being received from a remote modem. DCD normally
turns off when the modem no longer detects the carrier signal.
&C0 The state of the carrier from the remote modem is ignored.
DCD circuit is always on.
&C1 DCD turns on when the remote modem’s carrier signal is
detected, and off when the carrier signal is not detected
(default).
X4 (default) Enable Enable OK, RING, NO CARRIER, ERROR,
NODIALTONE, BUSY, CONNECT <RATE>,
DELAYED, BLACKLISTED, REORDER,
WARBLE, CALL WAITING DETECTED
X5 Enable Enable OK, RING, NO CARRIER, ERROR,
NODIALTONE, BUSY, CONNECT <RATE>,
RRING, NO BONGTONE, DELAYED,
BLACKLISTED, REORDER, WARBLE, CALL
WAITING DETECTED