A Modem Commands
AT Commands
Command | Description | Default |
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A/ | Repeat last command |
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A | Answer a call |
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B0 | Select |
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| 1200bps |
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B1 | Select Bell modulation at 300 and 1200bps | X |
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Dn | Dial, where n = |
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| P — Pulse dial |
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| T — Tone dial |
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| W — Wait for dial tone |
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| , — Pause |
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| ! — Flash hook |
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| @ — Wait for 5 seconds silence |
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| ; — Return to command mode |
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| ^ — Toggle calling tone enable/disable |
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E0 | Disable command echo |
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E1 | Enable command echo | X |
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H0 | Go |
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H1 | Go |
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L0 | Set lowest speaker volume |
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L1 | Set speaker volume to low | X |
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L2 | Set speaker volume to medium |
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L3 | Set speaker volume to high |
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M0 | Speaker is always off |
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M1 | Speaker is on during call connection | X |
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M2 | Speaker is always off |
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M3 | Speaker is off during dialing and on during |
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| call connection |
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| Modem Commands | ||
