User’s Manual
C-2
A
PPENDIX
C
AAnswer command
This command instructs the modem to go off-hook and answer an
incoming call.
BnCommunication standard setting
This command determines the communication standard CCITT or Bell.
B0 Selects CCITT V.22 mode when the modem is at 1200 bps.
B1 Selects Bell 212A when the modem is at 1200 bps (default).
B15 Selects V.21 when the modem is at 300 bps.
B16 Selects Bell 103J when the modem is at 300 bps (default).
Result Codes:
OK n=0,1,15,16
ERROR Otherwise
DnDial
This command instructs the modem to dial a telephone number. Enter n
(the telephone number and any modifiers) after the ATD command.
Any digit or symbol (0-9, *, #, A, B, C, D) may be dialed as touch-tone
digits. Characters such as spaces, hyphens, and parentheses do not
count. They are ignored by the modem, but you may want to include
them to make the number and modifiers easier to read.
The following may be used as phone number modifiers:
P Pulse dialing.
T Touch-tone dialing (default).
, Pause during dialing. Pause for time specified in Register S8
before processing the next character in the dial string.
W Wait for dial tone. Modem waits for a second dial tone before
processing the dial string.
@ Wait for quiet answer. Wait for five seconds of silence after dial-
ing the number. If silence is not detected, the modem sends a
NO ANSWER result code back to the caller.
! Hook flash. Causes the modem to go on-hook for 0.5 seconds
and then return to off-hook.
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