
| +FPHCTO | Phase C time out. | 
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| +FPOLL | Indicates polling request. | 
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| +FPTS: | Page transfer status. | 
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| +FPTS= | Page transfer status. | 
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| +FREV? | Identify revision. | 
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| +FSPT | Enable polling. | 
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| +FTSI: | Report the transmit station ID. | 
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Voice commands
| #BDR | Select Baud Rate | 
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| #CID | Enable Caller ID detection and reporting format | 
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| #CLS | Select Data, Fax or Voice/Audio | 
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| #MDL? | Identify Model | 
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| #MFR? | Identify Manufacturer | 
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| #REV? | Identify Revision Level | 
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| #TL | Audio output transmit level | 
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| #VBQ? | Query Buffer Size | 
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| #VBS | Bits per sample (ADPCM or PCM) | 
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| #VBT | Beep Tone Timer | 
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| #VCI? | Identify Compression Method | 
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| #VLS | Voice line select | 
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| #VRA | Ringback goes away timer | 
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| #VRN | Ringback never came timer | 
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| #VRX | Voice Receive Mode | 
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| #VSDB | Silence deletion tuner | 
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| #VSK | Buffer skid setting | 
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| #VSP | Silence detection period | 
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| #VSR | Sampling rate selection | 
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| #VSS | Silence deletion tuner | 
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| #VTD | DTMF tone reporting capability | 
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| #VTM | Enable timing mark placement | 
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| #VTS | Generate tone signals | 
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| #VTX | Voice transmit mode | 
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