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56K V.92 Data, Fax, and Voice Chipset
18 Intel Confidential Programmer’s Guide
NOTE: See the complete command description in the MD566X Programmer’s Guide for range
information.
* The noted parameters, commands, and responses depend on the capability to receive.
+VGT=n Volume selection 128 121–131 no
+VIP Initialize parameter – – no
+VIT=n DTE/DCE inactivity timer 0 0–255 no
+VLS=n Relay/speaker control 0 0–16 no
+VNH=n Automatic hang-up control 0 0–2 no
+VRA=n Ringback-goes-away timer 50 0–50 no
+VRN=n Ringback-never-appeared timer 10 0–255 no
+VRX Record mode none – no
+VSD=m Silence detection (quiet and silence) 128, 50 See note no
+VSM=m
Compression method selection
140, 8000, 0,
0
See note no
+VSP=n Speakerphone on/off control 0 0, 1 no
#VSPS=n Speakerphone type selection 1 0, 1 no
+VTD=n Beep tone duration timer 100 5–255 no
+VTS=m DTMF and tone generation none See note no
+VTX Play mode none – no
Table 2-5. IS-101 Voice Command Summary (Continued)
Table 2-6. Voice DTE→DCE Character Pairs
Response Hex Code Function
<NUL> 00 Do nothing
<DLE>
10 Two contiguous <DLE><DLE> codes indicate a single
<DLE> in the data stream
<SUB> 1A <DLE><DLE> in data stream
<ETX> 03 End transmit data state
/ 2F Start of DTMF tone shielding
<DEL> 7F DTMF transition to off
u 75 Bump up the volume
d 64 Bump down the volume
<ESC> 1B End receive data state
! 21 Receive data abort
<CAN> 18 Clear transmit buffer of voice data
? 3F Transmit buffer space available query