4-3
Issue 3 April 1994
Table 4-1. AT Command and S-Register Reference (2 of 27)
AT
Command
or
S-Register
Description
C
Automatic Cellular Setup
When this feature is enabled, the modem will
automatically configure itself for cellular operation
when it detects a direct connection to a cellular
telephone. Refer to Appendix D,
Cellular
Communications, for more information on this
command.
NOTE:
This command is not supported in Model 3760
and Model 3763, as these models do not support
cellular operation.
C0 Enables automatic cellular setup
C1 Disables automatic cellular setup
D
n
Dial
This command allows the modem to begin the dialing
sequence of the dial string
n (modifiers and telephone
number).
DL
Dial Last Number
This command redials the last telephone number
dialed. For this command to work properly, at least one
valid ATD command must have been issued since the
modem was turned ON.
DS=
n
Dial telephone number stored in directory location
n.
E
n
Command Character Echo
This command controls whether or not the characters
you enter from your computer’s keyboard are echoed
back to your monitor when the modem is in Command
back to your monitor when the modem is in Command
mode.
E0
Disables echo
E1
Enables echo
