URI: 
  TEXT View Source
       
       # ACTION WELL DEVELOPMENT, LTD.
       
          AC-5618 (REV. 1.0)
       
          Card Type              Modem                                   
          Chipset                Unidentified                            
          I/O Options            Audio in - CD-ROM, speaker connector,   
                                 line in, line out, audio in,            
                                                                         
                                 audio out, microphone in                
          Maximum Modem Rate     56.0Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Fax Class              Class I                                 
          Modem Modulation       Bell 103/212A                           
          Protocol                                                       
                                 ITU-T V.22bis,V.32, V.32bis, V.34,      
                                 V.34bis, V.90                           
          Fax Modulation         ITU-T V.17                              
          Protocol               
          Error                  MNP5, V.42, V.42bis                     
          Correction/Compression 
          Data Bus               16-bit ISA                              
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function     | Label  |    Function     |    Label     |
          |------------------------------------------------------------|
          | Line in               |   CN1   | Audio out         | CN5  |
          |-----------------------+---------+-------------------+------|
          | Line out              |   CN2   | Audio in - CD-ROM | CN6  |
          |-----------------------+---------+-------------------+------|
          | Microphone in         |   CN3   | Audio in - CD-ROM | CN7  |
          |-----------------------+---------+-------------------+------|
          | Audio in              |   CN4   |                   |      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SUPPORTED COMMAND SET                    |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | AT, ‘+++’, A/                                              |
          |------------------------------------------------------------|
          | A, E, H, M, O, P, Q, T, V                                  |
          |------------------------------------------------------------|
          | &C, &P, &V, &W, &Z                                         |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \A, \B, \N                                                 |
          |------------------------------------------------------------|
          | %C, %E                                                     |
          |------------------------------------------------------------|
          |                        S Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12      |
          |------------------------------------------------------------|
          |                      Special Commands                      |
          |------------------------------------------------------------|
          | +MS, #CID                                                  |
          |------------------------------------------------------------|
          |                       Voice Commands                       |
          |------------------------------------------------------------|
          | #TL, #VBT, #VRA,  #VRX, #VSD, #VSP, #VSS, #VTD, #VTS,      |
          | #VTX, #SPK                                                 |
          |------------------------------------------------------------|
          | Note: | See MHI Help File for full command documentation.  |
          |       | Further information on S-registers is currently    |
          |       | unavailable                                        |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                    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      | Auto-mode detection disabled. Handshake     |
          |              | begins at line speed designated by the S32  |
          |              | register                                    |
          |--------------+---------------------------------------------|
          |     í N1     | Auto-mode detection enabled. Handshake      |
          |              | conducted according to the automode         |
          |              | algorithm supported by the modem            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  COMMUNICATION PROTOCOLS                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Bn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects the communication protocol for data |
          |              | calls                                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Protocol                   |
          |--------------+---------------------------------------------|
          |      B0      | ITU-T V.22 at 1200bps                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects data compression                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &K0      | Data compression disabled                   |
          |--------------+---------------------------------------------|
          |     &K1      | MNP5 enabled                                |
          |--------------+---------------------------------------------|
          |     &K2      | V.42bis enabled                             |
          |--------------+---------------------------------------------|
          |     &K3      | MNP5 and V.42bis; or data compression and   |
          |              | correction enabled                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CONNECT MESSAGE SPEED SOURCE                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects source for speed field in CONNECT   |
          |              | message                                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &E0     | DCE speed field                             |
          |--------------+---------------------------------------------|
          |     &E1      | DTE speed field                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      CONNECT MESSAGES                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the format of CONNECT messages      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &A0     | CONNECT only                                |
          |--------------+---------------------------------------------|
          |     &A1      | Modulation indicator added to CONNECT       |
          |              | message                                     |
          |--------------+---------------------------------------------|
          |     &A2      | Error detection and data compression        |
          |              | indicators added to CONNECT message         |
          |--------------+---------------------------------------------|
          |     &A3      | Modulation, error detection and data        |
          |              | compression indicators added to CONNECT     |
          |              | message                                     |
          +------------------------------------------------------------+
       
           
       
           
       
          +------------------------------------------------------------+
          |                    DATA SET READY (DSR)                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DSR options                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &S0      | DSR forced high                             |
          |--------------+---------------------------------------------|
          |     &S1      | DSR high only while modem is handshaking or |
          |              | connected                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DATA TERMINAL READY (DTR)                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects modem response to DTR               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &D0     | DTR forced high                             |
          |--------------+---------------------------------------------|
          |     &D1      | DTR toggle causes online command mode       |
          |--------------+---------------------------------------------|
          |     &D2      | Normal DTR operations                       |
          |--------------+---------------------------------------------|
          |     &D3      | Resets on receipt of DTR                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DEFAULT CONFIGURATION                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Yn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects the default user defined            |
          |              | configuration                               |
          |--------------+---------------------------------------------|
          | Note:        | Does not load configuration                 |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      Y0      | Select user template 0                      |
          |--------------+---------------------------------------------|
          |      Y1      | Select user template 1                      |
          |--------------+---------------------------------------------|
          |     í Y2     | Select factory setting 0                    |
          |--------------+---------------------------------------------|
          |      Y3      | Select factory setting 1                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            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                   |
          |--------------+---------------------------------------------|
          |      DL      | Re-dial last number                         |
          |--------------+---------------------------------------------|
          |      DP      | Pulse dialing enabled                       |
          |--------------+---------------------------------------------|
          |     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@      | 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!      | Flash function initiated. Modem commanded   |
          |              | to go off-hook for specified time before    |
          |              | returning on-hook.                          |
          |--------------+---------------------------------------------|
          |      D;      | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command.                        |
          +------------------------------------------------------------+
       
           
       
           
       
          +------------------------------------------------------------+
          |                  FACTORY DEFAULT PROFILE                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Fn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets values in active profile to values     |
          |              | found in the default profile                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &F0     | Restore factory configuration 0             |
          |--------------+---------------------------------------------|
          |     &F1      | Restore factory configuration 1             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Hn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables/disables flow control               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &H0      | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |    í &H1     | RTS to CTS flow control enabled             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I1      | Reports manufacturer and model name         |
          |--------------+---------------------------------------------|
          |      I2      | Reports software version and provider       |
          |--------------+---------------------------------------------|
          |      I3      | Reports vendor/chip ID                      |
          |--------------+---------------------------------------------|
          |      I4      | Reports stored and active profile           |
          |--------------+---------------------------------------------|
          |      I5      | Reports stored and active profile           |
          |--------------+---------------------------------------------|
          |      I6      | Reports stored and active profile           |
          |--------------+---------------------------------------------|
          |      I7      | Reports stored telephone numbers            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          RTS/CTS                           |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Rn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects RTS/CTS options                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &R0      | RTS is ignored                              |
          |--------------+---------------------------------------------|
          |     &R1      | Modem recieves data only on RTS             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SELECT CALL PROGRESS RESULT CODES              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Xn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables selection of tone detection and     |
          |              | associated result code format options       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      X0      | Busy and dial tone detection disabled;      |
          |              | result codes 0 - 4 enabled.                 |
          |--------------+---------------------------------------------|
          |      X1      | Busy and dial tone detection disabled;      |
          |              | result codes 0 - 5 & 9 - 1212 enabled.      |
          |--------------+---------------------------------------------|
          |      X2      | Busy tone detection disabled, dial tone     |
          |              | detection enabled; result codes 0 - 6 &     |
          |              |                                             |
          |              | 9 - 1212 enabled.                           |
          |--------------+---------------------------------------------|
          |      X3      | Busy tone detection enabled, dial tone      |
          |              | detection disabled; result codes 0 - 5,     |
          |              |                                             |
          |              | 7 - 1212 enabled.                           |
          |--------------+---------------------------------------------|
          |      X4      | Busy and dial tone detection enabled;       |
          |              | result codes 0 - 1212 enabled.              |
          +------------------------------------------------------------+
       
           
       
           
       
          +------------------------------------------------------------+
          |                         SOFT RESET                         |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Zn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Restores modem profiles previously saved in |
          |              | non-volatile RAM                            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      Z0      | Restore default user template as defined by |
          |              | Yn                                          |
          |--------------+---------------------------------------------|
          |      Z1      | Restore user template 0                     |
          |--------------+---------------------------------------------|
          |      Z2      | Restore user template 1                     |
          |--------------+---------------------------------------------|
          |      Z3      | Restore factory setting 0                   |
          |--------------+---------------------------------------------|
          |      Z4      | Restore factory setting 1                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       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                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TEST MODES                         |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Tn                               |
          |--------------+---------------------------------------------|
          | Description: | Selects test options                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &T0     | TBD                                         |
          |--------------+---------------------------------------------|
          |     &T1      | TBD                                         |
          |--------------+---------------------------------------------|
          |     &T2      | TBD                                         |
          |--------------+---------------------------------------------|
          |     &T3      | TBD                                         |
          +------------------------------------------------------------+
       
                             EXTENDED AT COMMAND SET
       
          +------------------------------------------------------------+
          |                         BREAK TYPE                         |
          |------------------------------------------------------------|
          | Type:             | Configuration                          |
          |-------------------+----------------------------------------|
          | Format:           | AT [cmds] \Kn [cmds]                   |
          |-------------------+----------------------------------------|
          | Description:      | Configures action of break signal      |
          |------------------------------------------------------------|
          |  Command   |                   Function                    |
          |------------+-----------------------------------------------|
          |    \K0     | Online command mode enabled, send no break to |
          |            | remote modem                                  |
          |------------+-----------------------------------------------|
          |    \K1     | Break sent to remote modem and buffered       |
          |            | cleared                                       |
          |------------+-----------------------------------------------|
          |    \K2     | Online command mode enabled, send no break to |
          |            | remote modem                                  |
          |------------+-----------------------------------------------|
          |    \K3     | Send break to remote modem immediately        |
          |------------+-----------------------------------------------|
          |    \K4     | Online command mode enabled, send no break to |
          |            | remote modem                                  |
          |------------+-----------------------------------------------|
          |   í \K5    | Send break with transmitted data              |
          +------------------------------------------------------------+
       
                                         
       
                                         
       
                                  VOICE COMMANDS
       
          +------------------------------------------------------------+
          |                      INACTIVITY TIMER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VIT=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .1ms                                        |
          |--------------+---------------------------------------------|
          | Description: | Maximum duration of voice inactivity        |
          |              | allowed prior to initiating hang-up         |
          |              | process.                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       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 I mode.     |
          |--------------+---------------------------------------------|
          |    #CLS=8    | Modem will operate in voice mode.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        RECORD GAIN                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #RG=hhhh [cmds]                   |
          |--------------+---------------------------------------------|
          | Range:       | 0000 - 7FFF                                 |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified (hexadecimal)                  |
          |--------------+---------------------------------------------|
          | Description: | Sets the record gain. #RG? queries value    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              VOICE - LOCAL SERIAL PORT SPEED               |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #BDR=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Range:       | 0-48                                        |
          |--------------+---------------------------------------------|
          | Unit:        | 2400bps                                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed of the local serial port     |
          |              | when in voice mode.                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        VOICE DEVICE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VLS=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Selects the I/O device for the DSP chip.    |
          |--------------+---------------------------------------------|
          | Note:        | VLS? Queries current setting. #VLS=?        |
          |              | Command will display the available options. |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í #VLS=0   | Telephone line and 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=6    | Speakerphone used for voice I/O.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      VOICE PARAMETERS                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VIP [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Initializes voice parameters                |
          +------------------------------------------------------------+
       
           
       
           
       
          +------------------------------------------------------------+
          |                   VOICE RING DETECT TIME                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VRN=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .1ms                                        |
          |--------------+---------------------------------------------|
          | 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.                          |
          |--------------+---------------------------------------------|
          | Note:        | This modem may not support all options      |
          |              | listed below. The #VBS? Command will        |
          |              | display the available options.              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    #VBS=2    | Modem records 2 bits per sample in ADPCM    |
          |              | encoding.                                   |
          |--------------+---------------------------------------------|
          |    #VBS=4    | Modem records 4 bits per sample in ADPCM    |
          |              | encoding.                                   |
          |--------------+---------------------------------------------|
          |    #VBS=8    | Modem records 8 bits per sample in PCM      |
          |              | encoding.                                   |
          |--------------+---------------------------------------------|
          |   #VBS=16    | Modem records 16 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. #VSR? queries settings       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |  #VSR=7200   | Selects a sampling rate of 7.2KHz.          |
          |--------------+---------------------------------------------|
          |  #VSR=8000   | Selects a sampling rate of 8.0KHz.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     VOICE TIMING MARK                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VTM=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Range:       | 1-10                                        |
          |--------------+---------------------------------------------|
          | Unit:        | 1ms                                         |
          |--------------+---------------------------------------------|
          | Description: | Configures timing mark placement.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     VOICE VOLUME LEVEL                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #VGT=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the volume level when playing back     |
          |              | audio signals.                              |
          +------------------------------------------------------------+