Reference Information
Modem Reference Information
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| Conexant AT Commands (Advanced Users Only) |
Command |
| (Conexant) |
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+FLO=a |
| Set flow control type: 0=XON/XOFF and RTS/CTS flow control turned off; 1=XON/XOFF flow |
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| control in either direction; 2=RTS for flow control of modem by DTE, and CTS for flow control of |
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| DTE by modem. |
+FMI |
| Report modem manufacturer. |
+FMM |
| Report modem model. |
+FMR |
| Report modem version, revision, or date. |
+FPR=n |
| Set DTE/modem interface rate in bits/sec: 0=automatic detection (default). |
+FRH=n |
| Receive data with HDLC framing. |
+FRM=n |
| Receive data. |
+FRS=n |
| Receive silence, n ×10 ms. |
+FTH=n |
| Transmit data with HDLC framing. |
+FTM=n |
| Transmit data. |
+FTS=n |
| Stop transmission and wait, n ×10 ms. |
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| Voice Commands |
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+FCLASS=8 |
| Select voice mode. |
+VDR=a,b |
| Set report ring cadence and timing of RING event code: |
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| a=0 disables ring cadence reporting, a=1 enables. |
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| b sets report content: 0=DROF and DRON messages only. |
+VDT=a,b |
| Set report control tone cadence: |
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| a=0 disables ring cadence reporting, a=1 enables. |
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| b=0 reports CPOF and CPON messages only. |
+VDX=a |
| Select speakerphone |
+VGM=n |
| Set microphone gain of speakerphone function (0 to 255). |
+VGR=n |
| Set gain for received voice samples (0 to 255). |
+VGS=n |
| Set speaker gain of speakerphone function (0 to 255). |
+VGT=n |
| Set volume (120 to 135). |
+VIP |
| Initialize all voice parameters to defaults. |
+VIT=n |
| Set initial value for DTE/modem inactivity timer (0 to 255 seconds). |
+VLS=n |
| Select sources/destinations for analog data. |
+VNH=n |
| Set automatic hangups: 0=enable, 1=disable, 2=disable automatic hangups in |
+VPR=n |
| Set DTE/modem interface rate (0=autobaud). |
+VRA=n |
| Set delay between ringbacks before modem assumes remote station is off hook (0 to 255 x 0.1 sec). |
+VRN=n |
| Set delay between ringbacks before modem assumes remote station is off hook (0 to 60 sec). |
+VRXn |
| Start voice reception: 0=start without periodic tone production, 1=start with periodic tone production. |
+VSD=a,b |
| Set silence detection sensitivity and required period of silence before modem reports silence at end |
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| of voice receive. |
+VSM=a,b,c,d |
| Set voice and silence compression methods, and voice sampling rate. |
+VSP=a |
| Disable (a=0) or enable (a=1) speakerphone. |
+VTD=n |
| Set beep duration (1 to 500 x 0.01 sec). |
+VTR |
| Start voice transmission and reception. |
+VTS=string |
| Send voice tones. |
+VTX |
| Start voice transmission. |
AT* Commands |
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*B |
| Display |
*D |
| Display delayed numbers. |