Table B-1. AT Command and S-Register List (6 of 34)
AT
Command/
Description
S-Register
M
Speaker On/Off Control
n
M0
M1
M2
O
Return Online to Data Mode
Forces the DataPort 2001 from online Command
mode to Data mode.
P
Pulse Dial
Specifies rotary-type dialing. See D
Q
Result Codes
n
Allows messages, such as OK and BUSY, to be
displayed. Refer to the V and X commands for
more information.
Q0
Q1
Q2
S
Change S-Register
n=r
n = S-Register
r = new value of S-Register
S
View S-Register
n ?
Displays the value of a specific S-Register n (for
example, S0?).
Speaker always Off.
Speaker ON until carrier signal
becomes active.
Speaker always ON.
Enables result codes
Disables result codes
Enable in Originate mode
n.