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COMSPHERE 3900 Series Modems
5-6 November 1996 3910-A2-GN32-30
Table 5-2
(2 of 3)
391x Series AT Commands
AT
Command
DCP LCD
Command
Sequence
Description
D
n
(cont.) @ — Quiet answer. Wait for five seconds of silence after dialing
the number. If the silence is not detected, the modem
sends either a NO ANSWER result to the DTE.
! — Hook flash. This causes the modem to go on-hook for 0.5
seconds then return to off-hook.
; — Return to Command mode. Modem returns to Command
mode after dialing a number without disconnecting the call.
Space — Ignored by the dial string, can be included to enhance
readability.
– — Ignored by the dial string, can be included to enhance
readability.
( ) — Ignored by the dial string, can be included to enhance
readability.
DS=
n
Dial Stored Number. Dials the number stored in Location
n
(1–24). (To
store a telephone number, refer to the &
Zn=x
command.)
Call Setup\Dial\
Dial Directory:
E
n
Command Character Echo.
E0 Disables echo to the DTE.
E1 Enables echo to the DTE.
Configure\Edit\
DTE Dialer
H
n
Hook Switch Control.
H0 Modem goes on-hook.
H1 Modem goes off-hook.
H0: Call Setup\
Disconnect or
Control\Remove
Make Busy
H1: Control\
Make Busy
I
n
Identification.
I0 Displays product code — 144.
I1 Displays 3-digit firmware revision number.
I2 Performs an EPROM check.
Status\Identity
L
n
Speaker Volume.
L0 Selects low volume.
L1 Selects low volume.
L2 Selects medium volume.
L3 Selects high volume.
Control\Speaker
Configure\Edit\
Misc
M
n
Speaker On/Off.
M0 Speaker always OFF.
M1 Speaker ON until carrier signal is detected.
M2 Speaker always ON.
Control\Speaker
Configure\Edit\
Misc