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Table B-1. AT Command and S-Register List (2 of 34)
AT
Command/
Description
S-Register
D
Dial
n
Any digit or symbol (0–9, *, #, A, B, C, D) may be
dialed as touch-tone, but only 0–9 can be dialed
in Pulse Dial mode. A dial string can be up to
40 characters long. Spaces, hyphens, and
parentheses do not count; these characters are
used to enhance readability and are ignored.
Dial Command Modifiers
The following modifiers can be used in a dial
string:
T
P
,
W
;
Touch-tone dialing. Any digit 0–9, * , # , A,
B, C, or D is valid.
Pulse dialing. Only the digits 0–9 are valid.
Pause. The DataPort 2001 pauses before
processing the next character in the dial
string. Pause length is determined by the
value of
S8 (Pause Time).
Wait for dial tone. The DataPort 2001
waits for a second dial tone before
processing the dial string. This can be the
initial dial tone or can be used when dialing
through a tandem PBX. For example:
ATDT9W555-6789
Return to Command mode. Allows
AT command strings that exceed the
40-character limit to be linked together.
This is useful when using a calling card
number or an international telephone
number. The DataPort 2001 remains in
Command mode until a dial string ends
without a semicolon.
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