AT Commands F-13
AT Commands
-D Repeat Dial
-D <dial string> Where <dial string> is a string of up to 98 characters. Valid dial string characters are:
0-9, dial modifiers, and for tone dial, #, A, B, C, D and *. The modem ignores invalid
characters.
-D/n
Where n is a two-digit integer between 01 and 40 that specifies a telephone number
previously stored with \Pn.
-DL
Redials the last number dialed.
-DS
Dials the first entry stored in the directory.
Redials a number up to 9 tries until connection. In reliable mode, it does not redial if a
remote modem answers but fails to establish a reliable connection.
:D
n Manual Dial
:D0
Modem does not go off hook when DTR is raised.
:D1
Modem goes off hook in originate mode when DTR is raised. &Dn (where n=1, 2, or
3) must also be set.
:D2
Modem goes off hook in originate mode and dials the first stored telephone number
when either DTR is raised or the T/D button is pressed. &Dn (where n=1, 2, or 3) must
also be set. The O/A button must be in originate mode (not lit).
Determines whether modem goes off hook in originate mode if DTR is raised.
NOTE
When :D1 or :D2 is set, register :T18 must be set to 0.
\D
n Serial Port DSR/CTS Control
\D0
DSR and CTS are always On.
\D1
DSR and CTS follow DCD. If &C1 is also set, DSR follows off hook.
\D2
DSR and CTS both follow DCD.
\D3
DSR complies with ITU-T recommendations, CTS is always On.
\D4
DSR and CTS comply with ITU-T recommendations.
Controls the Data Set Ready (DSR) and Clear To Send (CTS) signals on the serial port.
Use this command when the central-site computer requires the DSR and CTS signals
to be Off at specific times.
