Network Router User Manual

AT Command Set Summaries 79
Command Options Function & Description Ref.
I12 Display physical layer status.
Ln n=0-7
4 *
Speaker volume control. The higher
the value, the higher the volume.
S24.4-6
Mn Speaker control. S21.1-2
M0 Speaker always OFF.
M1 * Speaker ON until call is answered.
M2 Speaker always ON.
M3 Speaker ON after the last digit is
dialed out and OFF when carrier is
detected.
Nn n=0-7
5 *
Ring volume control.'N0' will
disable the audio ring function.
S24.0-2
O Return to on-line state.
O1 Force modem to request a retrain.
Qn Result code displayed. S23.7
Q0 * Modem returns result code.
Q1 Modem does not return result code.
Q2 Modem returns result code but quiet
after answering on a RING (see also
S42.2).
S40.1
Sr.b=n Set bit 'b' of S-register 'r' to value 'n'.
'n' is a binary digit '0' or '1'.
Sr.b? Display value of bit 'b' of S-register
'r'.
Sr=n Set S-register 'r' to value 'n'. 'n' must
be a decimal number between 0 and
255.
Sr? Display value stored in S-register 'r'.
T Ton dial. S23.1
UPX Download firmware to the Flash
EPROM by using Xmodem
protocol.