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Mn | Monitor Speaker Mode |
This command turns the speaker on or off.
| Command | Effect | ||
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| M0 |
| The speaker is off. | |
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| M1 |
| The speaker is on until the modem detects the carrier | |
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| signal (default). | ||
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| M2 |
| The speaker is always on when modem is | |
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| M3 |
| The speaker is on until the carrier is detected, except | |
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| while dialing. | ||
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Result Codes: |
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| OK | n = 0, 1, 2, 3 |
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| ERROR | Otherwise |
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Nn | Modulation Handshake |
This command controls whether or not the local modem performs a negotiated hand- shake at connection time with the remote modem when the communication speed of the two modems is different.
Command | Effect | |
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| When originating or answering, this is for handshake | |
N0 | only at the communication standard specified by S37 | |
| and the ATB command. | |
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| When originating or answering, begin the handshake | |
N1 | only at the communication standard specified by S37 | |
and the ATB command. During handshake, fallback to | ||
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| a lower speed may occur (default). | |
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Result Codes:
OK | n = 0, 1 |
ERROR Otherwise
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