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C-4
APPENDIX C
Ln Monitor speaker volume
This command sets speaker volume to low, medium, or high.
L0 Low volume.
L1 Low volume. (Same as L0)
L2 Medium volume (default).
L3 High volume.
Result Codes:
OK n=0,1,2,3
ERROR Otherwise
Mn Monitor speaker mode
This command turns the speaker on or off.
M0 The speaker is off.
M1 The speaker is on until the modem detects the carrier signal
(default).
M2 The speaker is always on when modem is off-hook.
M3 Speaker is on until the carrier is detected, except when
dialing.
Result Codes:
OK n=0,1,2,3
ERROR Otherwise
Nn Modulation handshake
This command controls whether or not the local modem performs a
negotiated handshake at connection time with the remote modem when
the communication speed of the two modems is different.
N0 When originating or answering, this is for handshake only at
the communication standard specified by S37 and the ATB
command.
N1 When originating or answering, begin the handshake at the
communication standard specified by S37 and the ATB
command (default).
During handshake, a lower transmission speed may be
selected.