HP Pavilion 9800 HP Pavilion Desktop PC - V.92 Modem Cheetah2 - (English) Use - Page 11

Four - AT Command Set

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Section Four - AT Command Set 4.1 Executing Commands Your modem is in Command Mode upon power-on and is ready to receive and execute "AT" commands. The modem remains in Command Mode until it makes a connection with a remote modem. 4.2 AT Commands & Format All commands must begin with the AT prefix, followed by the command letter and ended with the ENTER key. All default settings are printed in bold text. Spaces are allowed in the command string to increase command line readability but are ignored by the modem during command execution. All commands may be typed in either upper or lower case, but not mixed. A command issued without any parameters is considered as specifying the same command with a parameter of "0". Example: ATL [ENTER] This command causes your modem to lower its speaker volume. All default settings are printed in bold text. Command Function A Answer incoming call A/ Repeat last command. Do not precede A/ with AT or follow with ENTER B0 CCITT mode @ 1200 bps B1 Bell mode @ 300/1200 bps Dn 0 - 9, A-D, # and * L last number redial P pulse dial T tone dial W wait for second dial tone , pause @ wait for five seconds of silence ! flash ; return to Command Mode after dialing $ wait for AT&T "bong" tone E0 Echo disabled E1 Echo enabled +++ switch from Data mode to Command Mode H0 Modem goes on-hook H1 Modem goes off-hook I0 Returns default speed and controller firmware version I1 ROM Check sum code I2 ROM test I3 Returns default speed and controller firmware version

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Section Four - AT Command Set
4.1 Executing Commands
Your modem is in Command Mode upon power-on and is ready to receive and
execute “
AT
" commands. The modem remains in Command Mode until it makes a
connection with a remote modem.
4.2 AT Commands & Format
All commands must begin with the
AT
prefix, followed by the command letter and
ended with the
ENTER
key. All default settings are printed in
bold text.
Spaces are
allowed in the command string to increase command line readability but are ignored
by the modem during command execution.
All commands may be typed in either
upper or lower case, but not mixed. A command issued without any parameters is
considered as specifying the same command with a parameter of
“0”
.
Example:
ATL [ENTER]
This command causes your modem to lower its speaker volume.
All default settings are printed in
bold text.
Command
Function
A
Answer incoming call
A/
Repeat last command.
Do not
precede
A/
with
AT
or follow with
ENTER
B0
CCITT mode @ 1200 bps
B1
Bell mode @ 300/1200 bps
D
n
0 - 9, A-D, # and *
L
last number redial
P
pulse dial
T
tone dial
W wait for second dial tone
,
pause
@
wait for five seconds of silence
!
flash
;
return to Command Mode after dialing
$
wait for AT&T "bong" tone
E0
Echo disabled
E1
Echo enabled
+++
switch from Data mode to Command Mode
H0
Modem goes on-hook
H1
Modem goes off-hook
I0
Returns default speed and controller firmware version
I1
ROM Check sum code
I2
ROM test
I3
Returns default speed and controller firmware version