Product data

USRobotics
Command Reference
Data Command Set - 39
Syntax
D<modifier>
Defined Values
<modifier> The valid dial string parameters (modifiers) are described below.
Punctuation characters may be used for clarity, with parentheses,
hyphen, and spaces ignored.
0-9 DTMF digits 0 to 9.
A-D DTMF digits A, B, C, and D. Some countries may prohibit sending
of these digits during dialing.
L Re-dial last number: the modem will re-dial the last valid
telephone number. The L must be immediately after the D with all
the following characters ignored).
P Select pulse dialing: pulse dial the numbers that follow until a "T"
is encountered. Affects current and subsequent dialing. Some
countries prevent changing dialing modes after the first digit is
dialed.
T Select tone dialing: tone dial the numbers that follow until a "P" is
encountered. Affects current and subsequent dialing. Some
countries prevent changing dialing modes after the first digit is
dialed.
W Wait for dial tone: the modem will wait for dial tone before dialing
the digits following "W". If dial tone is not detected within the time
specified by S7 or S6, the modem will abort the rest of the
sequence, return on-hook, and generate an error message.
* The 'star' digit (tone dialing only).
# The 'gate' digit (tone dialing only).
+
! Flash: the modem will go on-hook for a time defined by the value
of S29. Country requirements may limit the time imposed.
@ Wait for silence: the modem will wait for at least 5 seconds of
silence in the call progress frequency band before continuing with
the next dial string parameter. If the modem does not detect these
5 seconds of silence before the expiration of the call abort timer
(S7), the modem will terminate the call attempt with a NO
ANSWER message. If busy detection is enabled, the modem
may terminate the call with the BUSY result code. If answer tone
arrives during execution of this parameter, the modem will
handshake.