Owner`s manual

17
3 - AT Commands, S-Registers and Result Codes
Command Options Function & Description
B1 Select Bell 212A for 1200 bps
connection and Bell 103 for 300 bps
B2 Deselect s V.23 reverse channel
B3 Same as B2
B16 * Selects V.21 when the modem is at
300 bps.
Selects Bell 103J when the modem is
at 300 bps.
Dn Dial command, beginning the dialing
sequence. The string “n” (telephone
number and modifiers) listed as
follows is entered after the “D”
command
P Pulse dial. Only digits 0 to 9 can be
dialed
R Reverse dial. Originate call in answer
mode (go on-line in answer mode)
Sn Dial the phone number stored in
NVRAM at location “n” (n=0, 1, 2, 3)
T DTMF tone dial. Any digit 0 to 9, *, #,
A, B, C… may be dialed as a tone
W Wait for second dial tone. The modem
waits for the second dial tone before
processing the dial string
, Pause. Cause the modem to pause for
a time before processing the dial
string (designed by S8 register)
! Flash hook (for call transfer). Cause
the modem to go on-hook for 0.5
second then return off-hook
@ Wait for 5 seconds of silence after
dialing number
; Return to command state after dialing
a number without disconnecting the
call
En AT command echo options
* Factory default setting