Multitech MultiModem DID MT5634ZBA-DID User Manual page 16

MultiModemDID User Guide
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Chapter 4 - AT Commands, S-Registers, Result Codes
M n Monitor Speaker Mode
n = 0, 1, 2, or 3
1
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.
N n Modulation Handshake
n = 0 or 1
1
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.
O n Return Online to Data Mode
0, 1, 3
None
O0 Exits online command mode and returns to data mode (see
+++AT<CR> escape sequence ).
O1 Issues a retrain and returns to online data mode.
O3 Issues a rate renegotiation and returns to data mode.
P Pulse Dialing
P, T
T
Configures the modem for pulse (non-touch-tone) dialing.
Dialed digits are pulsed until a T command or dial modifier is
received.
Q n Result Codes Enable/Disable
n = 0, 1
0
Q0 Enables result codes.
Q1 Disables result codes.
S r = n Set Register Value
r = S-register number; n varies
None
Sets the value of register S r to the value of n , where n is
entered in decimal format. Example: S0=1.
S r ? Read Register Value
r = S-register number
None
Reads the value of register S r and displays it in 3-digit decimal
form. For example, S2? gives the response 043 .
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