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# MAXTECH CORPORATION
XPVS 56IC (X2/CL)
Card Type Modem (asynchronous), fax
Chip Set Unidentified
I/O Options Microphone, speaker out, line in, line
out
Maximum Modem Rate 56Kbps
Maximum Fax Rate 14.4Kbps
Data Modulation Bell 103/212A
Protocol
ITU-T V.21, V.22, V.22bis, V.23, V.32,
V.32bis, V.34, V.34+, Std. X2
Fax Modulation ITU-T V.17, V.27ter, V.29
Protocol
Error MNP5, V.42, V.42bis
Correction/Compression
Fax Class Class I
Data Bus 16-bit ISA
Card Size Half-length, half-height card
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------------------------------------------------|
| Line out | CN1 | Microphone | CN3 |
|----------------------------+----------+-------------+------|
| Line in | CN2 | Speaker out | CN4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS |
|------------------------------------------------------------|
| Setting | JP1/A | JP1/B | JP1/C | JP1/D |
|-------------+-----------+-----------+-----------+----------|
| COM1 (3F8h) | Open | Open | Closed | Closed |
|-------------+-----------+-----------+-----------+----------|
| COM2 (2F8h) | Closed | Open | Open | Closed |
|-------------+-----------+-----------+-----------+----------|
| COM3 (3E8h) | Open | Closed | Closed | Open |
|-------------+-----------+-----------+-----------+----------|
| COM4 (2E8h) | Closed | Closed | Open | Open |
|-------------+-----------+-----------+-----------+----------|
| í PnP | Open | Open | Open | Open |
+------------------------------------------------------------+
+-------------------------------------------------------------------------+
| INTERRUPT |
|-------------------------------------------------------------------------|
|IRQ|JP1/E |JP1/F |JP1/G |JP1/H |JP1/I |JP1/J |JP1/K |JP1/L |JP1/M |JP1/N |
|---+------+------+------+------+------+------+------+------+------+------|
| 3 |Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open |
|---+------+------+------+------+------+------+------+------+------+------|
| 4 | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open |
|---+------+------+------+------+------+------+------+------+------+------|
| 5 | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open |
|---+------+------+------+------+------+------+------+------+------+------|
| 7 | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open |
|---+------+------+------+------+------+------+------+------+------+------|
|10 | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open |
|---+------+------+------+------+------+------+------+------+------+------|
|11 | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open |
|---+------+------+------+------+------+------+------+------+------+------|
|12 | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open |
|---+------+------+------+------+------+------+------+------+------+------|
|PnP|Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed|Closed|
+-------------------------------------------------------------------------+
+------------------------------------------------------------+
| SUPPORTED COMMAND SET |
|------------------------------------------------------------|
| Basic AT Commands |
|------------------------------------------------------------|
| AT, ‘+++’, A/ |
|------------------------------------------------------------|
| A, E, H, M, O, P, Q, T, V, X, Y, Z |
|------------------------------------------------------------|
| &C, &F, &G, &T, &W, &Y, &Z |
|------------------------------------------------------------|
| Extended AT Commands |
|------------------------------------------------------------|
| \A, \B, \C, \G, \J, \K, \O, \U, \X, \Y, \Z |
|------------------------------------------------------------|
| %A, %E |
|------------------------------------------------------------|
| S Registers |
|------------------------------------------------------------|
| S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, |
| S16, S18, S21, S22, S23, S25, S27, S30, |
|------------------------------------------------------------|
| S37 |
|------------------------------------------------------------|
| Special AT commands |
|------------------------------------------------------------|
| +MS, -J, "H, "O |
|------------------------------------------------------------|
| Note: See MHI Help File for full command documentation. |
+------------------------------------------------------------+
Proprietary AT Command Set
+------------------------------------------------------------+
| COMMUNICATION PROTOCOLS |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Bn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the communication protocol for data |
| | calls |
|------------------------------------------------------------|
| Note: The B command allows the simultaneous selection |
| of more than one suffix, enabling multiple protocols. |
|------------------------------------------------------------|
| Command | Protocol |
|--------------+---------------------------------------------|
| B0 | CCITT mode |
|--------------+---------------------------------------------|
| B1 | Bell mode |
|--------------+---------------------------------------------|
| B2 | V.23 at 1200/75 |
|--------------+---------------------------------------------|
| B3 | V.23 at 75/1200 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIAL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] D<#> [cmds] |
|--------------+---------------------------------------------|
| Description: | Dials telephone number according to any |
| | modifiers included in the string |
|--------------+---------------------------------------------|
| Note: | Any combination of modifiers can be used to |
| | produce the desired dial functions in |
| | sequence. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| DP | Pulse dialing enabled |
|--------------+---------------------------------------------|
| DR | Answer mode enabled; originate mode |
| | disabled following handshake initiation. |
|--------------+---------------------------------------------|
| DS=n | Dial stored telephone number n |
|--------------+---------------------------------------------|
| DT | Tone dialing enabled/Pulse dialing disabled |
|--------------+---------------------------------------------|
| DW | Dialing resumed following dial tone |
| | detection |
|--------------+---------------------------------------------|
| D, | Dialing paused for amount of time specified |
| | in S8 register |
|--------------+---------------------------------------------|
| D! | Flash function initiated. Modem commanded |
| | to go off-hook for specified time before |
| | returning on-hook. |
|--------------+---------------------------------------------|
| D@ | Wait for Quite Answer function enabled. |
| | Modem waits until a "quiet answer," a |
| | ring-back signal followed by silence up to |
| | the time specified in S7, is received prior |
| | to executing the rest of the dial string. |
|--------------+---------------------------------------------|
| D; | Modem returned to idle state after dialing. |
| | The semicolon can only be placed at the end |
| | of the dial command. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| REPORT INFORMATION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] In [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays information requested |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| I0 | Reports modem model and speed |
|--------------+---------------------------------------------|
| I1 | Reports ROM checksum |
|--------------+---------------------------------------------|
| I2 | Tests and reports ROM checksum |
|--------------+---------------------------------------------|
| I3 | Reports device ID |
|--------------+---------------------------------------------|
| I4 | Reports internal ID |
|--------------+---------------------------------------------|
| I5 | Reports modem chip hardware configuration |
|--------------+---------------------------------------------|
| I6 | Reports country code |
|--------------+---------------------------------------------|
| I7 | Reports manufacturer and model information |
|--------------+---------------------------------------------|
| I8 | Reports modem firmware version |
|--------------+---------------------------------------------|
| I10 | Reports modem board configuration |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKER VOLUME |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Ln [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls speaker volume |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| L0 | Low volume setting |
|--------------+---------------------------------------------|
| L1 | Low volume setting |
|--------------+---------------------------------------------|
| í L2 | Medium volume setting |
|--------------+---------------------------------------------|
| L3 | Highest volume setting |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO-MODE DETECTION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects various options for the automatic |
| | detection and negotiation of protocols |
| | during the handshake process if the modem |
| | is communicating with a remote modem of |
| | dissimilar speed. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| N0 | Connect only at DTE rate |
|--------------+---------------------------------------------|
| í N1 | Automatic rate negotiation |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED RESULT CODES |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] Wn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables selection of additional result |
| | codes when S95=0; otherwise, S95 takes |
| | precedence. |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í W0 | Enables CONNECT result codes to report DTE |
| | speed. |
|--------------+---------------------------------------------|
| W1 | Enables CONNECT result codes to report DTE |
| | speed. |
|--------------+---------------------------------------------|
| W2 | Enables CONNECT result codes to report DCE |
| | speed. |
|--------------+---------------------------------------------|
| W3 | Enables CONNECT result codes to report DTE |
| | speed, modulation mode, error control, data |
| | compression, DCE transmit and receive speed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA TERMINAL READY (DTR) |
|------------------------------------------------------------|
| Type: | Configuration |
|---------------+--------------------------------------------|
| Format: | AT [cmds] &Dn [cmds] |
|---------------+--------------------------------------------|
| Description: | Selects modem response to DTR |
|------------------------------------------------------------|
| Note: The action each variant of &D causes depends on |
| the setting of &Q |
|------------------------------------------------------------|
| Command | Function |
|---------------+--------------------------------------------|
| í &D0 | Modem does not respond to DTR |
|---------------+--------------------------------------------|
| &D1 | Modem goes to command mode after DTR goes |
| | is off |
|---------------+--------------------------------------------|
| &D2 | Modem goes to command mode and disconnects |
| | (hangs up) after DTR goes off; Auto-Answer |
| | is disabled. |
|---------------+--------------------------------------------|
| &D3 | Modem is initialized after DTR goes off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUXILIARY RELAY |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Jn [cmds] |
|--------------+---------------------------------------------|
| Description: | Activates auxiliary relay |
|--------------+---------------------------------------------|
| Command | Jack Type |
|--------------+---------------------------------------------|
| í &J0 | Auxiliary relay never operated |
|--------------+---------------------------------------------|
| &J1 | Activates auxiliary relay when modem is |
| | off-hook |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Kn [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables flow control options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &K0 | Flow control disabled |
|--------------+---------------------------------------------|
| í &K3 | Enable hardware flow control |
|--------------+---------------------------------------------|
| &K4 | Enable software flow control |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Mn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| í &M0 | Asynchronous mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PULSE DIALING RATIO |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Pn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects pulse dial make/break ratio |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &P0 | 39/61ms at 10pps (North America) |
|--------------+---------------------------------------------|
| &P1 | 33/67ms at 10pps (Europe) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMMUNICATIONS MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects communications mode options |
|--------------+---------------------------------------------|
| Command | Mode |
|--------------+---------------------------------------------|
| í &Q0 | Asynchronous mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DATA SET READY (DSR) |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &Sn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects DSR options |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &S0 | DSR forced high |
|--------------+---------------------------------------------|
| &S1 | DSR is off in command mode, on in on-line |
| | mode |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TRELLIS CODING |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &U [cmds] |
|--------------+---------------------------------------------|
| Description: | Enables trellis coding |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| í &U0 | Enable trellis coding @ V.32 |
|--------------+---------------------------------------------|
| &U1 | Disable trellis coding @ V.32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONFIGURATION PROFILES |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] &V [cmds] |
|--------------+---------------------------------------------|
| Description: | Displays active and stored configuration |
| | profiles |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| &V0 | Displays the active profile to stored |
| | profile 0 |
|--------------+---------------------------------------------|
| &V1 | Displays the active profile to stored |
| | profile 1 |
|--------------+---------------------------------------------|
| &V3 | Displays the relay and general-purpose I/O |
| | satus |
+------------------------------------------------------------+
Extended AT Command Set
+------------------------------------------------------------+
| AUTO-FALLBACK/FALL-FORWARD |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %Gn [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects auto-fallback/fall-forward |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %G0 | Auto-fallback/fall-forward enabled |
|--------------+---------------------------------------------|
| %G1 | Auto-fallback/fall-forward disabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO_RELIABLE FALLBACK |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %An [cmds] |
|--------------+---------------------------------------------|
| Description: | Set auto-reliable fallback character to n |
| | (n=0-127) (requires the \C2 setting) |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -C0 | Calling tone disabled |
|--------------+---------------------------------------------|
| -C1 | 1300hz calling tone |
|--------------+---------------------------------------------|
| -C2 | V.8 and 1300hz calling tones enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLING TONE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] -C [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls calling tone |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| -C0 | Calling tone disabled |
|--------------+---------------------------------------------|
| -C1 | 1300hz calling tone |
|--------------+---------------------------------------------|
| -C2 | V.8 and 1300hz calling tones enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MNP CLASS 5 DATA COMPRESSION |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] %C [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the MNP class 5 data compression |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| %C0 | Disable MNP class 5 data compression |
|--------------+---------------------------------------------|
| %C1 | Enable MNP class 5 data compression |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CONNECT MODE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Nn [cmds] |
|--------------+---------------------------------------------|
| Description: | Controls the type of connection the modem |
| | will operate in |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \N0 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N1 | Normal mode enabled |
|--------------+---------------------------------------------|
| \N2 | Reliable mode enabled |
|--------------+---------------------------------------------|
| \N3 | Auto-reliable mode enabled |
|--------------+---------------------------------------------|
| \N4 | V.42 reliable mode enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL TYPE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Qn [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets type of flow control used by modem |
|--------------+---------------------------------------------|
| Command | Function |
|--------------+---------------------------------------------|
| \Q0 | Flow control disabled |
|--------------+---------------------------------------------|
| \Q1 | XON/XOFF software flow control enabled |
|--------------+---------------------------------------------|
| \Q2 | CTS flow control by DCE enabled |
|--------------+---------------------------------------------|
| \Q3 | RTS/CTS hardware flow control enabled |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] \Tn [cmds] |
|--------------+---------------------------------------------|
| Default: | 0 |
|--------------+---------------------------------------------|
| Range: | 0-90 |
|--------------+---------------------------------------------|
| Unit: | 1 second |
|--------------+---------------------------------------------|
| Description: | Sets the length of time that the modem does |
| | not receive information before it |
| | disconnects. |
+------------------------------------------------------------+
S(status) -REGISTERS
+------------------------------------------------------------+
| SLEEP TIMER |
|------------------------------------------------------------|
| Type: | Register |
|--------------+---------------------------------------------|
| Format | AT [cmds] S33=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0-255 |
|--------------+---------------------------------------------|
| Unit: | Unidentified |
|--------------+---------------------------------------------|
| Description: | Maximum duration of DTE and DCE inactivity |
| | allowed prior to initiating low-power sleep |
| | mode. |
+------------------------------------------------------------+
STANDARD AT# VOICE COMMAND SET
+------------------------------------------------------------+
| VOICE MODEM SELECT |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +FCLASS=8 [cmds] |
|--------------+---------------------------------------------|
| Description: | Select voice modem |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLOW CONTROL |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +FLO [cmds] |
|--------------+---------------------------------------------|
| Description: | Flow control select |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CALLED ID |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VCID=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Called ID selection |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE COMMAND |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VCSD=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Voice command mode silence detection |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DISTINCTIVE RING |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VDR=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Distinctive ring selection |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EVENT REPORTING |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VEM=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Event reporting and masking |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAIN |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VGM=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Speakerphone microphone gain |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAIN |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VGR=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Receive gain |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAIN |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VGS=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Speakerphone speaker gain |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE VOLUME LEVEL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VGT=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Sets the volume level when playing back |
| | audio signals. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INITIALIZE PARAMETER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VIP [cmds] |
|--------------+---------------------------------------------|
| Description: | Initialize parameter |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INACTIVITY TIMER |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VIT=n [cmds] |
|--------------+---------------------------------------------|
| Description: | DTE/DCE inactivity timer |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE DEVICE |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VLS=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Selects the I/O device for the DSP chip. |
|--------------+---------------------------------------------|
| Note: | This modem may not support all options |
| | listed below. The #VLS? command will |
| | display the available options. |
|--------------+---------------------------------------------|
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| AUTO HANG-UP |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VNH=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Automatic hang-up control |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 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 RECEIVE |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VRX |
|--------------+---------------------------------------------|
| Description: | Commands the modem to begin receiving voice |
| | data. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SILENCE DETECTION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VSD=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Silence detection (quiet and silence) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| COMPRESSION |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VSM=n [cmds] |
|--------------+---------------------------------------------|
| Description: | Compression method selection |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SPEAKERPHONE CONTROL |
|------------------------------------------------------------|
| Type: | Configuration |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VSP=n [cmds] |
|--------------+---------------------------------------------|
| Default: | Unidentified |
|--------------+---------------------------------------------|
| Range: | 0 - 255 |
|--------------+---------------------------------------------|
| Unit: | .1 second |
|--------------+---------------------------------------------|
| Description: | Speakerphone on/off control |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | 0 | DTMF tones are not detected. |
| | | |
| | í 1 | DTMF tones are detected. |
|------------------------------------------------------------|
| 1 | 0 | V.25 1300Hz calling tone is not |
| | | detected. |
| | í | |
| | 1 | V.25 1300Hz calling tone is detected. |
|-------------+----+-----------------------------------------|
| 2 | 0 | T.30 1100Hz fax tone is not detected. |
| | | |
| | í | T.30 1100Hz fax tone is detected. |
| | 1 | |
|-------------+----+-----------------------------------------|
| 3 | 0 | V.25/T.30 2100Hz answer tone is not |
| | | detected. |
| | í | |
| | 1 | V.25/T.30 2100Hz answer tone is |
| | | detected. |
|-------------+----+-----------------------------------------|
| 4 | 0 | Bell 2225Hz answer tone is not |
| | | detected. |
| | í | |
| | 1 | Bell 2225Hz answer tone is detected. |
|-------------+----+-----------------------------------------|
| 5 | 0 | Call progress tones are not detected. |
| | | |
| | í | Call progress tones are detected. |
| | 1 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VOICE TRANSMIT |
|------------------------------------------------------------|
| Type: | Immediate |
|--------------+---------------------------------------------|
| Format: | AT [cmds] +VTX |
|--------------+---------------------------------------------|
| Description: | Commands the modem to begin transmitting |
| | voice data. |
+------------------------------------------------------------+