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Class 2.0 Facsimile commands are supported and are described in USR Document (FAX20.DOC).
Speakerphone/TAD Commands
#BDR=n (0,1,2,3,4,5,...48) Select Baud Rate (new baud rate = n * 2400bps, autobaud if 0)
#CID=n (0,1,2) Enable Caller ID and Select Reporting Format
#CLS=n (0,1,2.0,8) Select Data (0), Fax (1,2.0) or Voice (8)
#MDL? Identify Model of Modem - Sportster336FAXDSVDSPKR
#MFR? Identify Manufacturer of Modem - USRobotics
#REV? Identify Supervisor Code Revision Level of Modem
#VBQ? Query Buffer Size
#VBS=n (2,3,4) Select ADPCM Voice Compression Factor (Bits Per Sample)
#VBT=n (0,1,2,3,4,5,6,7,8,9 Select Beep Tone Timer (time = n * 100mS)
10,11,12,13,...40)
#VCI? Identify Compression Method
#VGR=n (0,1,2,...128,...255) Select Voice Receive Gain (speaker volume in speakerphone mode; 0 =
mute)
#VGT=n (0,1,2,...128,...255) Select Voice Transmit Gain (microphone sensitivity in speakerphone
mode; 0 = mute)
#VLS=n (0,1,2,3,4,6) Voice Line Select
#VRA=n (0,1,2,...70,...255) Ringback Goes Away Timer (originate, time = n * 100mS)
#VRN=n (0,1,2,...100,...255) Ringback Never Came Timer (originate, time = n * 100mS)
#VRX Voice Receive
#VSD=n (0,1) Enable Silence Deletion (Voice Receive)
#VSK=n (0,1,2,3,...255) Buffer Skid Setting (bytes of spare space after XOFF)
#VSM=<cmi>,<vsr> Select Compression Method and Sampling Rate (CMI: GSM - 128, G.721
ADPCM - 129, IMAADPCM - 130; VSR: IMAADPCM - 8000, G.721
ADPCM - 8000, GSM - 8000)
#VSP=n (0,1,2,...55,...255) Silence Detection Period (time = n * 100mS)
#VSR=n (8000) Select Sampling Rate (IMAADPCM - 8000, G.721 ADPCM - 8000, GSM -
8000)
#VSS=n (0,1,2,3) Silence Detection Tuner (Voice Receive)
#VTX Voice Transmit
Miscellaneous Commands
A/ Re-execute command
A> Repeat execution of command
+++ Escape code / hang-up
<Ctrl>C Help screen display cancel
<Ctrl>K Help screen display cancel
<Ctrl>S Help screen display stop/restart
<AnyKey> Terminate Dial, Answer, or repeat mode