MT5634HD8/16 User Guide
Mn
Monitor Speaker Mode
n = 0, 1, 2, or 3
Default: M1
The M command allows you to control the modem speaker mode.
M0 completely disables the speaker.
M1 causes the speaker to be on only until a carrier signal is detected. This is the default. It allows you to
hear the initial dial tones and handshake "squawking" when dialing out, for example, which lets you know
activity is taking place and when a carrier signal has been detected (the "squawking" stops).
M2 causes the speaker to remain whenever the modem is off-hook.
M3 causes the speaker to remain on until the carrier is detected, except while dialing. This means the
speaker is on during the dialing, so you hear the dialing tones, but turns off during the handshake, so you
eliminate the "squawking".
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