IPTools.net.ua

Card Type

Modem (synchronous/asynchronous)

Chipset

Rockwell

I/O Options

Microphone in, speaker out, voice, speakerphone, DSVD

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation

Rockwell V.FC

Fax Modulation

ITU-T V.17, V.21CH2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I & II

Data Bus

8-bit ISA

Card Size

Unidentified

SERIAL PORT ADDRESS SELECTION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

3F8h (COM1:)

Off

On

On

Off

2F8h (COM2:)

Off

On

Off

On

3E8h (COM3:)

On

Off

On

Off

2E8h (COM4:)

On

Off

Off

On

INTERRUPT SELECTION

Setting

SW1/5

SW1/6

SW1/7

SW1/8

3

On

Off

Off

Off

4

Off

On

Off

Off

5

Off

Off

On

Off

7

Off

Off

Off

On

MISCELLANEOUS TECHNICAL NOTES

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, �comma�, A/

A, B, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z

&C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

\A, \B, \G, \K, \L, \N

%C, %E, %L, %Q

Special AT Commands

#CID, +MS

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25, S26

S27, S28, S29, S30, S31, S32, S33, S36, S38, S40, S41, S46, S48, S82, S86, S95

DISPLAY CHIPSET MANUFACTURER

Type:

Immediate

Format:

AT [cmds] #MFR? [cmds]

Description:

Displays the voice chipset manufacturer�s name.

DISPLAY CHIPSET MODEL NAME

Type:

Immediate

Format:

AT [cmds] #MDL? [cmds]

Description:

Displays the model name of the modem's voice chipset.

DISPLAY CHIPSET REVISION

Type:

Immediate

Format:

AT [cmds] #REV? [cmds]

Description:

Displays the revision level of the modem's voice chipset.

DSVD MODE

Type:

Configuration

Format:

AT [cmds] -SSE=n [cmds]

Description:

Select whether the modem will use DSVD mode.

Command

Function

í -SSE=0

DSVD mode disabled.

-SSE=1

DSVD mode enabled.

MODE SELECTION

Type:

Immediate

Format:

AT [cmds] #CLS=n [cmds]

Description:

Selects which mode the modem will operate in.

Command

Function

#CLS=0

Modem will operate in data mode.

#CLS=1

Modem will operate in fax class 1 mode.

#CLS=2

Modem will operate in fax class 2 mode.

#CLS=8

Modem will operate in voice mode.

TONE DETECTION

Format:

AT [cmds] #VTD=x,y,z [cmds]

Default:

x,y,z 63

Range:

0 - 63

Description:

Sets which tones the tone detection will report.

Note:

The value of x sets the tone detection modes in voice transmit mode, y sets them in voice receive mode, and z sets them in voice command mode.

Bit

Value

Function

0

í 1

DTMF tones are detected.

1

í 1

V.25 1300Hz calling tone is detected.

2

í 1

T.30 1100Hz fax tone is detected.

3

í 1

V.25/T.30 2100Hz answer tone is detected.

4

í 1

Bell 2225Hz answer tone is detected.

5

í 1

Call progress tones are detected.

TONE GENERATOR - DIRECT ENTRY

Type:

Immediate

Format:

AT [cmds] #VTS=[m, n, x]

Range:

m 200-3000, n 200-3000, x 0-255

Unit:

m 1 Hz, n 1 Hz, x .1 second

Description:

Generates a dual-frequency tone for duration x at frequencies m and n.

TONE GENERATOR - TIMED PHONE KEYS

Type:

Immediate

Format:

AT [cmds] #VTS={a, n}

Range:

a 0-9, A-D, #, *; x 0-255

Unit:

x .1 second

Description:

Generates the DTMF tone for duration x for the character a.

TONE GENERATOR - PHONE KEYS

Type:

Immediate

Format:

AT [cmds] #VTS=a

Range:

0-9, A-D, #, *

Description:

Generates the DTMF tones for the characters in the string for the duration set with +VBT.

TONE GENERATOR LENGTH

Format

AT [cmds] #VBT=n [cmds]

Default:

10

Range:

0 - 40

Unit:

0.1 second

Description:

Sets the length of DTMF tones that are generated.

VOICE BUFFER SPACE

Type:

Configuration

Format:

AT [cmds] #VSK=n [cmds]

Default:

255

Range:

0 - 255

Unit:

1 byte

Description:

Sets the amount of data the modem can send into the buffer after the XOFF signal is sent.

VOICE DEVICE

Type:

Configuration

Format:

AT [cmds] #VLS=n [cmds]

Description:

Selects the I/O device for the DSP chip.

Command

Function

í #VLS=0

Telephone line and handset used for voice I/O.

#VLS=1

Telephone handset used for voice I/O.

#VLS=2

Internal speaker only used for voice I/O.

#VLS=3

External microphone only used for voice I/O.

#VLS=4

Telephone line and handset used for voice I/O; internal speaker enabled.

#VLS=5

Headset used for voice I/O.

#VLS=6

Speakerphone used for voice I/O.

#VLS=7

Handset muted by disconnecting handset or speakerphone from telephone line.

#VLS=8

Connects caller ID relay for recording of conversation over handset.

#VLS=9

Connects handset (or speakerphone) to DSP chip for recording or playback.

VOICE - DISPLAY BUFFER SIZE

Type:

Immediate

Format:

AT [cmds] #VBQ? [cmds]

Description:

Displays the size of the voice buffer.

VOICE - DISPLAY COMPRESSION TYPE

Type:

Immediate

Format:

AT [cmds] #VCI? [cmds]

Description:

Displays the type of compression currently in use.

VOICE - LOCAL SERIAL PORT SPEED

Type:

Configuration

Format:

AT [cmds] #BDR=n [cmds]

Default:

0

Range:

0 - 48

Unit:

2400bps

Description:

Sets the speed of the local serial port when in voice mode. A value of 0 indicates that the modem should auto-detect the correct serial port speed.

VOICE RE-RING DETECT TIME

Type:

Configuration

Format:

AT [cmds] #VRA=n [cmds]

Default:

70

Range:

0-255

Unit:

10 mS

Description:

Sets the maximum time the modem will wait for the remote station to ring again before it assumes that it has gone off-hook.

VOICE RECEIVE

Type:

Immediate

Format:

AT [cmds] #VRX

Description:

Commands the modem to begin receiving voice data.

VOICE RING DETECT TIME

Type:

Configuration

Format:

AT [cmds] #VRN=n [cmds]

Default:

Unidentified

Range:

Unidentified

Unit:

Unidentified

Description:

Sets the maximum time the modem will wait for the remote station to ring before it assumes that it went off-hook before it rang.

VOICE SAMPLE QUALITY

Type:

Configuration

Format:

AT [cmds] #VBS=n [cmds]

Description:

Selects the number of bits per sample that the modem records.

Command

Function

#VBS=2

Modem records 2 bits per sample in ADPCM encoding.

í #VBS=4

Modem records 4 bits per sample in ADPCM encoding.

#VBS=8

Modem records 8 bits per sample in PCM encoding.

VOICE SAMPLING RATE

Type:

Configuration

Format:

AT [cmds] #VSR=n [cmds]

Description:

Sets the sampling rate used when recording voice signals.

Command

Function

í #VSR=7200

Selects a sampling rate of 7.2KHz.

#VSR=11025

Selects a sampling rate of 11.025KHz in PCM encoding only.

VOICE SILENCE DETECTION TIME

Type:

Configuration

Format:

AT [cmds] #VSP=n [cmds]

Default:

Unidentified

Range:

0 - 255

Unit:

.1 second

Description:

Sets the minimum amount of silence that the modem will detect.

VOICE SILENCE DETECTION THRESHOLD

Type:

Configuration

Format:

AT [cmds] #VSS=n [cmds]

Description:

Sets the threshold of sensitivity that the modem uses to determine silence detection.

Command

Function

#VSS=0

Silence detection disabled.

#VSS=1

Minimum silence detection sensitivity.

#VSS=2

Standard silence detection sensitivity.

#VSS=3

Maximum silence detection sensitivity.

VOICE TIMING MARK

Type:

Configuration

Format:

AT [cmds] #VTM=n [cmds]

Description:

Configures timing mark placement.

Command

Function

#VTM=0

Timing marks disabled.

#VTM=10

Timing marks enabled at 1 second intervals.

VOICE TRANSMISSION LEVEL

Type:

Configuration

Format:

AT [cmds] #TL=hhhh [cmds]

Default:

3F44 for phone line, 7FFF for handset or speaker

Range:

0000 - 7FFF

Unit:

Unidentified (hexadecimal)

Description:

Sets the transmission level for sending audio in voice mode.

VOICE TRANSMIT

Type:

Immediate

Format:

AT [cmds] #VTX

Description:

Commands the modem to begin transmitting voice data.