56K V.92 Data, Fax, and Voice Chipset

Table 2-5. IS-101 Voice Command Summary (Continued)

+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,

See note

no

 

0

 

 

 

 

 

 

 

 

 

+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

 

 

 

 

 

 

 

 

 

 

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.

Table 2-6. Voice DTEDCE 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

 

 

 

 

 

 

18

Intel Confidential

Programmer’s Guide

Page 18
Image 18
Intel MD566X manual Voice DTE→DCE Character Pairs, Response Hex Code Function