RCV56HCF PCI/CardBus Modem Designer’s Guide
Table 5-2.  Command Set Summary - Alphanumeric Sort (Cont’d)
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 | Configuration | 
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| Command | Description | Data/Fax | Data/Fax/Voice | Data/Fax/Voice/ | Data/Fax/Voice/ | 
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 | Speakerphone | Speakerphone/ | 
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 | ISDN | 
| +IFC | X | X | X | X | |
| +ILRR | X | X | X | X | |
| +ITF | Transmit Flow Control Thresholds | X | X | X | X | 
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| +MR | Modulation Reporting Control | X | X | X | X | 
| +MS | Modulation Selection | X | X | X | X | 
| +VBT | Buffer Threshold Setting | - | X | X | X | 
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| +VCID | Caller ID (CID) | - | X | X | X | 
| +VDID | DID Feature | - | X | X | X | 
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| +VDR | Distinctive Ring | - | X | X | X | 
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| +VDT | Control Tone Cadence Reporting | - | X | X | X | 
| +VDX | Speakerphone Duplex Mode | - | - | X | X | 
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| +VGM | Microphone Gain | - | - | X | X | 
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| +VGR | Voice Gain Receive (Record Gain) | - | X | X | X | 
| +VGS | Speaker Gain | - | - | X | X | 
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| +VGT | Voice Gain Transmit (Playback Volume) | - | X | X | X | 
| +VIP | Voice Initialize All Parameters | - | X | X | X | 
| +VIT | Voice Inactivity Timer (DTE/modem) | - | X | X | X | 
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| +VLS | Analog Source/Destination Selection | - | X | X | X | 
| +VNH | Automatic  | - | X | X | X | 
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| +VPR | Select DTE/Modem Interface Rate | - | X | X | X | 
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| +VRA | Ringback Goes Away Timer | - | X | X | X | 
| +VRN | Ringback Never Appeared Timer | - | X | X | X | 
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| +VRX | Start Modem Receive (Record) | - | X | X | X | 
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| +VSD | Silence Detection (QUIET & SILENCE) | - | X | X | X | 
| +VSM | Compression Method Selection | - | X | X | X | 
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| +VSP | Speakerphone ON/OFF | - | - | X | X | 
| +VTD | Beep Tone Duration Timer | - | X | X | X | 
| +VTS | Voice Tone Send | - | X | X | X | 
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| +VTX | Start Modem Transmit (Playback) | - | X | X | X | 
| Enable/Disable DSVD | X | X | X | X | |
| A | Answer | X | X | X | X | 
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| D | Dial | X | X | X | X | 
| E | Command Echo | X | X | X | X | 
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| H | Hook Control | X | X | X | X | 
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| I | Request Identification Information | X | X | X | X | 
| L | Monitor Speaker Loudness | X | X | X | X | 
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| M | Monitor Speaker Mode | X | X | X | X | 
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| O | Return to Online Data State | X | X | X | X | 
| P | Select Pulse Dial | X | X | X | X | 
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| Q | Result Code Suppression | X | X | X | X | 
| 1129 | ROCKWELL PROPRIETARY INFORMATION |