User`s guide

Basic AT Commands Appendix D - Fax/Modem Information
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Appendix D - Fax/
Modem Information
Basic AT Commands
Prefix Suffix Function
A Manually answer incomin
g
call.
A/ Repeat last command executed. Do not precede A/ with
AT or follow with ENTER.
B_ B0 CCITT mode (V.22)
B1 Bell mode (Bell 212A)
D_ 0 - 9, A-D, # and *
L Last number redial
P Pulse dialin
g
Note: Pulse diallin
g
is not supported for U.K.,Netherlands,
Sweden, Norway, Denmark, Finland, Switzerland,
Germany.
T Touch-tone dialin
g
W Wait for second dial tone
, Pause
@ Wait for five seconds of silence
!Flash
; Return to Command Mode after dialin
g
$Bon
g
tone detection (for callin
g
card use)
DS=n
(n=0-3)
Dial one of the four telephone numbers stored in the
modem non-volatile memory.
E_ E0 Commands are not echoed
E1 Commands are echoed
+++ Escape Characters - Switch from Data Mode to Command
Mode
H_ H0 Force modem on-hook (han
g
up)
H1 Force modem off-hook (make busy) Note: H1 command is
not supported for Italy
I_ I0 Firmware ID same as 13
TABLE 15. Basic AT Commands