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PORTABLE USB MODEM
I9 Display the country code (for example, NA Ver. 1).
I11 Display diagnostic information for the last modem
connection, such as DSP and firmware version, link
type, line speed, serial speed, type of error
correction/data compression, number of past
retrains, etc.
Command: Mn Monitor Speaker Mode
Values: n=0, 1, 2, or 3
Default: 1
Description: M0 Speaker always off.
M1 Speaker on until carrier signal detected.
M2 Speaker always on when modem is off-hook.
M3 Speaker on until carrier is detected, except while
dialing.
Command: Nn Modulation Handshake
Values: n=0 or 1
Default: 1
Description: N0 Modem performs handshake only at
communication standard specified by S37 and the
B command.
N1 Modem begins handshake at communication
standard specified by S37 and the B command.
During handshake, fallback to a lower speed can
occur.
Command: On Return Online to Data Mode
Values: n=0, 1, 3
Default: None
Description: O0 Exit online command mode and return to data
mode (see +++AT<CR> escape sequence ).
O1 Issue a retrain and return to online data mode.
O3 Issue a rate renegotiation and return to data mode.
Command: P Pulse Dialing
Values: P, T
Default: T
Description: Configures the modem for pulse (non-touchtone)
dialing. Dialed digits are pulsed until a T command
or dial modifier is received.