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Conexant HSF Modem HSF Country Parameters - Specification

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Conexant HSF Modem

HSF Country Parameters

Specification

Version 2.1109.004

June, 99

Prepared by: Conexant
PCD Systems Engineering


Table of Contents

1       Introduction.. 44

2       Country Parameter Values. 44

2.1        T35CODE 44

2.2        NAME 44

2.3        INTCODE 55

2.4        TXLEVEL.. 55

2.5        RELAYS.. 65

2.5.1         RELAYS(Non-Silicon DAA Only).. 65

2.5.2         RELAYS(Silicon DAA Only).. 66

2.6        PULSE 88

2.7        RING.. 98

2.8        TONEPARAMS.. 99

2.8.1         Primary Tone A.. 99

2.8.2         Alternate Tone A. 1010

2.8.3         Voice Call Progress Tone A 1010

2.9        SREG 1010

2.10     DTMF.. 1110

2.11     THRESHOLD. 1111

2.12     RLSD 1111

2.13     TONE 1111

2.14     TIMING.. 1211

2.15     CADENCE 1212

2.16     BLACKLISTING. 1312

2.17     CALLERID.. 1313

2.18     SPEEDADJUST 1413

2.19     FLAGS. 1414

3       OEM Parameter Values. 1515

3.1        ATI Subkey Values. 1515

3.1.1         ATI0.. 1515

3.1.2         ATI1.. 1515

3.1.3         ATI3.. 1615

3.1.4         ATI4.. 1615

3.1.5         ATI6.. 1615

3.1.6         ATI7.. 1615

3.2        ATPLUSID Subkey Values 1615

3.2.1         AT+GCAP. 1615

3.2.2         AT+GMI. 1615

3.2.3         AT+GMM.. 1615

3.2.4         AT+GMR 1616

3.2.5         AT+GOI.. 1616

3.2.6         AT+GSN. 1616

3.2.7         AT+FMI. 1616

3.2.8         AT+FMM.. 1716

3.2.9         AT+FMR 1716

3.3        SREGS. 1716

3.4        AT+MSSTR. 1817

3.5        AT+MS 1817

3.6        V25TER. 1817

3.6.1         +IPR. 1817

3.6.2         +ILRR.. 1817

3.6.3         +MR.. 1817

3.6.4         +ESR 1817

3.6.5         +EFCS 1818

3.6.6         +ER 1818

3.6.7         +DR.. 1818

3.6.8         A8E Related Parameters 1818

3.6.9         +A8E Parameters 1918

3.6.10      +DS Parameters (Data Compression). 1918

3.6.11      +EB Parameters (Break Handling in Error Control Operation) 1918

3.6.12      +ES Parameters (Error control and Synchronous Mode Selection).. 1918

3.6.13      +ESA Parameters (Synchronous Access Mode).. 1919

3.6.14      +ETBM Parameters (Call Termination Buffer Management).. 2019

3.6.15      +FIT (DTE Inactivity Timeout). 2019

3.6.16      +ICF  (Char Format Options).. 2019

3.6.17      +IFC (DTE Modem Local Flow Control). 2019

3.6.18      +ITF (Transmit Flow Control Thresholds). 2019

3.6.19      MISC AT Commands. 2020

3.7        CONSTTONEPARAMS. 2120

3.8        AT_MISC_DEF 2221

3.9        MISC_VOICE_PARMS. 2221

3.10     CADENCE 2222

3.11     AUDIO_AEC.. 2322

3.12     MOD_THRESHOLD 2423

3.13     CALLWAITING_PARMS (TWO-LINE only).. 2423

3.14     AT_MISC_CELL_DEF (WIRELESS only) 2423

3.15     FLAGS. 2524

3.16     PROPERTIES. 2624

3.17     DaaType 2625

3.18     SmartDAAParams (Silicon-DAA Only). 2625

3.19     SPKR_MUTE_DELAY.. 2825

4       Top Level Modem Parameters Values.. 2826

4.1        HardwareType 2826

4.2        Buffers. 2826

4.3        BuffersDelay.. 2826

4.4        BondOption.. 2826


1         Introduction

This document refers to HSF (software) modem. Within the HSF modem are various family members; they are TWO-LINE, RIPTIDE, and WIRELESS.

The information applies to all modems, unless explicitly stated otherwise.

The HSF modem is a plug and play modem, which writes a set of parameters to the Windows registry upon installation.  The registry information is copied from an INF file that exists on the HSF installation disk.  The HSF INF file contains several sections, which get transferred to the registry.  These include:

·         Country

·         OEM

·         Modem_HW

This document describes in detail all the elements that constitute the “Country” and “OEM” sections of the INF file.  This will enable an HSF customer to modify modem parameters per country in order to satisfy country certification requirements and to adjust for OEM-specific hardware characteristics.  Also, by replicating the “Country” structure, customers can add into the modem support for any number of countries provided the 64K limit imposed on INF file size is not exceeded.

Unless otherwise noted, all the values are entered in hexadecimal.  The Microsoft registry format requires that the Most Significant Byte (in a 2-byte word) be stored first.  For example, the T.35 value for USA is stored as “B5 00”.

2         Country Parameter Values

Location of Key in WINDOWS 9X Registry is

HKEY_LOCAL_MACHINE System CurrentControlSet Services Class Modem [XXXX] Country [YYYY]

            [XXXX]             -           PnP modem key number

            [YYYY]              -           Country key number

In the Country key is a Registry value called “CURRENT” which is a T35 Code that is used to declare which Country is to be used by the MODEM.

2.1           T35CODE

                       

Parameter indicates the County Code of the country whose parameters are being specified.

Note: When setting this value to 0xFFFF in the INF, during installation, the Country Selection Application (CSA) will automatically define the modem’s T.35 Country Code to the Country of Use defined by the OS.

Defined Values

            2 Bytes                                     Defines T.35 Country Code (0-FE)

2.2           NAME

Parameter designates the ASCII name of the country specified by the T35CODE parameter.

Defined Values

            CHAR[]             -                       Defines Country Name (maximum length 30)

2.3           INTCODE

 

Parameter reflects the access code required in order to place an international call from the country of origin.

Defined Values

            CHAR[]             -                       International access dial code (maximum length 10)

2.4           TXLEVEL

Transmit Level Parameters

Specified values reflect negative numbers,  i.e. a declaration of (0f)16  in the INF file implies a value of -15 dBm and a declaration of (01)16 implies a value of -1 dBm.

HSF accounts for a 3V configuration and a 5V configuration.

In the 3V configuration, DTMF transmit levels are in the range of  -4 dBm to -11 dBm.

In the 5V configuration, DTMF transmit levels are in the range of 0 dBm to -7 dBm.

DTMF levels are in declared in 0.1 units i.e. a declaration of (28)16  in the INF file implies a value of –4.0 dBm and a declaration of (14)16 implies a value of –2.0 dBm.

[R1] 

Defined Values

            1 Byte               -                       Specifies Minimum data transmit level (-dBm)                                         

            1 Byte               -                       Specifies Maximum data transmit level (-dBm)                                        

            1 Byte               -                       Specifies Default data transmit level (-dBm)                                            

            1 Byte               -                       Specifies Minimum fax transmit level (-dBm)                                           

            1 Byte               -                       Specifies Maximum fax transmit level (-dBm)                                          

            1 Byte               -                       Specifies Default fax transmit level (-dBm)          

            1 Byte               -                       Specifies Minimum voice transmit level (-dBm)                                       

            1 Byte               -                       Specifies Maximum voice transmit level (-dBm)                                       

            1 Byte               -                       Specifies Default voice transmit level (-dBm)                                                      

1 Byte               -                       Specifies Transmit level offset +/- -dBm and is used to adjust                                                                                           for OEM hardware variations.     

            1 Byte               -                       Specifies transmit level (-dBm) of low DTMF frequency.

            1 Byte               -                       Specifies transmit level (-dBm) of high DTMF frequency.

           

2.5           RELAYS

2.5.1       RELAYS(Non-SiliconStandard DAA Only)

Relay Control Parameters used to map the ASIC. There are 16 GPIO’s from the ASIC which are to be defined by the

OEM. GPIO’s are active LOW.

 

Defined Values

2 Bytes             -                      Defines a mask of 16 bits to determine which of the 16 GPIO’s on the ASIC are allowed to be toggled by the HCF driver code.  The remaining GPIO’s are off limits to the HCF code and thus can be used by the HCF OEM customer for any desired application.  For example, a value of (07)16  = (0000 0111)2 is a mask which will allow only GPIO2, GPIO1,  and GPIO0 to be toggled by the HCF drivers..

2 Bytes             -                       Defines the default value of the GPIO register set up upon power up.

2 Bytes             -                       Defines the value of the GPIO register required to set the modem into the  ModemOffHook_PhoneToLine state.

2 Bytes             -                       Defines the value of the GPIO register required to set the modem into the ModemOffHook_PhoneOffLine state.

2 Bytes             -                       Defines the value of the GPIO register required to set the modem into the ModemOnHook_PhoneToLine_wCID state.

2 Bytes             -                       Defines the value of the GPIO register required to set the modem into the ModemOnHook_PhoneToLine_woCID state.       

2 Bytes             -                       Defines the value of the GPIO register required to set the modem into the ModemOnHook_PhoneOffLine_wCID state.

2 Bytes-                                    Defines the value of the GPIO register required to set the modem into the ModemOnHook_PhoneOffLine_woCID state.

2 Bytes-                                    Defines the value of the GPIO register required to set the modem into the

ModemOffHook_PulseMake state.

            2 Bytes -                                   Defines the value of the GPIO register required to set the modem into the

ModemOffHook_PulseBreak state.

            2 Bytes             -                       Defines the value of the GPIO register required to set the modem into the

ModemOffHook_PulseSetup state.                     

            2 Bytes             -                       Defines the value of the GPIO register required to set the modem into the

ModemOffHook_PulseClear state.

2.5.2       RELAYS(Smart DAASilicon DAA Only)

Relay Control Parameters used to map the DAA configuration control register.

Defined Values

2 Bytes                                    Defines a mask of 16 bits to determine the 16 valid bits' field.

2 Bytes                                    Defines the default value of the configuration register set up upon power up.

2 Bytes                                    Defines the value of the configuration register required to set the modem into the ModemOffHook_PhoneToLine state.

2 Bytes                                    Defines the value of the configuration register required to set the modem into the ModemOffHook_PhoneOffLine state.

2 Bytes                                    Defines the value of the configuration register required to set the modem into the ModemOnHook_PhoneToLine_wCID state.

2 Bytes                                    Defines the value of the configuration register required to set the modem into the ModemOnHook_PhoneToLine_woCID state.   

2 Bytes                                    Defines the value of the configuration register required to set the modem into the ModemOnHook_PhoneOffLine_wCID state.

2 Bytes                                    Defines the value of the configuration register required to set the modem into the ModemOnHook_PhoneOffLine_woCID state.

2 Bytes                                    Defines the value of the configuration register required for setting the modem into the ModemOffHook_PulseMake state.

2 Bytes                                    Defines the value of the configuration register required for setting the modem into the ModemOffHook_PulseBreak state.                 

2 Bytes                                    Defines the value of the configuration register required for setting the modem into the ModemOffHook_PulseSetup state.                 

2 Bytes                                    Defines the value of the configuration register required for setting the modem into the ModemOffHook_PulseClear state.

Bit Map of the Silicon DAA control register

15

CON

14

IMP1

13

IMP0

12

DCLoop2

11

DCLoop1

10

DCLoop0

9



RMake1

8

RMake0

7

RESERVED

6

MOV

5

RESERVED

4

HS

3

RD/CID

2

EICO

1

TXM

0

OH

Explanation of the Silicon DAA control register

OH

On / Off hook control bit

TXM

Match to TXM in MCR register

EIC0

Match to EIC0 in DCDAC register

RD/CID

Match to RD/CID use in MonADC register

HS

Handset exclude bit control

MOV

To be used to control voltage spikes when pulse dialing. (Set only when pulse dialing)

RMAKE

Make resistor select

0: 100 ohms make resistor

1: 200 ohms make resistor

2: 300 ohms make resistor

3: 400 ohms make resistor

The driver should use this value as reference value to adjust the DAC to present this reference value to the line.

DC-Loop[2:0]

DC loop current select

0: Select the DC loop curve 0 as defined in the SmartDAAParams of the OEM section

1: Select the DC loop curve 1 as defined in the SmartDAAParams of the OEM section

2: Select the DC loop curve 2 as defined in the SmartDAAParams of the OEM section

3: Select the DC loop curve 3 as defined in the SmartDAAParams of the OEM section

4: Select the DC loop curve 4 as defined in the SmartDAAParams of the OEM section

IMP[1:0]

Impedance select based on the values defined in the SmartDAAParams of the OEM section

0: set to use the Impedance 0 value defined in the SmartDAAParams of the OEM section

1: set to use the Impedance 1 value defined in the SmartDAAParams of the OEM section

2: set to use the Impedance 2 value defined in the SmartDAAParams of the OEM section

3: set to use the Impedance 3 value defined in the SmartDAAParams of the OEM section

CON

Continuous curve fitting control

2.6           PULSE

Pulse Dial Parameters

Definition of terms:

Make Time        -                                   The portion of the pulse dialing pulse (in ms) in which the dialing relay is in the “closed circuit” position.

Break Time       -                                   The portion of the pulse dialing pulse (in ms) in which the dialing relay is in the “open circuit” position.

 

Defined Values

             1 Byte                                      Defines Pulse Dial Mode. Value maps the number of Pulses to be generated

                                                            for a given dialing digit.

                                      Number of Pulses for a dialing digit at various Pulse Dial Modes 

Number of Pulses for Dial Mode

Dialing Digit

0

1

2

0

10

10

1

1

1

9

2

2

2

8

3

3

3

7

4

4

4

6

5

5

5

5

6

6

6

4

7

7

7

3

8

8

8

2

9

9

9

1

10

1 Byte               -                       Defines the mapping of the &P0 command. Default value is 0.

1 Byte               -                       Defines the mapping of the &P1 command. Default value is 1.

1 Byte               -                       Defines the mapping of the &P2 command. Default value is 2.

1 Byte               -                       Defines the mapping of the &P3 command. Default value is 3.

1 Byte               -                       Defines Pulse Make Offset. Value indicates a +/- time adjustment in

milliseconds of the current Make Time Value.  Note that an adjustment is

independent of any change in the Pulse Break Time.

            1 Byte               -                       Defines Pulse Break Offset. Value indicates a +/- time adjustment in

milliseconds of the current Break Time Value. Note that the adjustment is

independent of any change in the Pulse Make Time.

1 Byte               -                       Defines Pulse Dial Setup Time to be used by some countries as a

length of time in milliseconds to set DAA to GPIO_ModemOffHook_PulseSetup

1 Byte               -                       Defines Pulse Dial Clear Time to be used by some countries as a

                                                            length of time in milliseconds to set DAA to GPIO_ModemOffHook_PulseClear

            2 Bytes             -                       Defines InterDigit Time. Value reflects the delay time in milliseconds between

consecutive digit transmissions.

            2 Bytes             -                       Defines Line mute delay time. Value reflects the delay time in milliseconds to set

                                                            the line mute relay (OFFHOOK_PULSESETUP) during off hook switch.

2.7           RING

Ring Detection Parameters

Defined Values

1 Byte                                       Defines maximum allowable ring frequency that will be detected (Hz)

1 Byte                                       Defines minimum allowable ring frequency that will be detected (Hz)

2 Byte                                       Defines length of time for ring signal to be considered valid. Value reflects the length of time in milliseconds in which the ring that is being received by the modem is required to be stable in order for it to be detected as the beginning of a ring.

2 Byte                                       Defines minimum time before answering.  Defines the minimum time in milliseconds that the modem must wait after detecting a valid beginning of a ring signal before it goes off hook to begin answering.

2 Byte                                       Defines minimum delay between rings. Value reflects the minimum delay time in milliseconds between consecutive Rings in order for the two Rings to be considered  separate Rings.

2 Byte                                       Defines maximum delay between rings. Value reflects the maximum delay time between consecutive Rings in which the later Ring is to be considered part of the same Call as the earlier Ring.

2.8           TONEPARAMS

Tone Detect Parameters used by the HSF Data Pump.

Defined Values

2.8.1       Primary Tone A

2 Bytes                                     Defines the Center Frequency of the primary tone detector. Value represents the frequency in Hz.

2 Bytes                                     Defines the Bandwidth of the primary tone detector. Value represents a range in Hz (with the Center Frequency in the middle. Tones within the specified range should be detected (e.g. if Center Frequency is 450 and the Bandwidth is 400, tones in the range of 250-650Hz are detected).

4 Bytes                                     Defines primary filter Response Time. Value reflects the minimum time in milliseconds that takes the detector to detect a tone. Longer response time provides more accurate tone detection. Normally, the default value for this parameter should not be changed.

2 Bytes                                     Defines primary THRESHU. Value represents an upper limit level in dBm. If the

                                                tone level that is being detected  exceeds the value of THRESHU, then the tone detect flag is SET. This value will be overwritten by the values in the THRESHOLD country key. The value should be greater than the Response Time.

2 Bytes                                     Defines primary THRESHL. Value represents a lower limit level in dBm. If the tone

                                                level falls below THRESHL then the tone detect flag is RESET.  This value will be overwritten by a value derived from the values in the THRESHOLD country key. This value should be greater than the Response Time.

4 Bytes                                     Reserved.

4 Bytes                                     Defines primary tone ON stability time. Value reflects the minimum time in milliseconds for which the modem must detect continuous tone in order for the “Tone On” event to be reported.

4 Bytes                                     Defines primary tone OFF stability time. Value reflects the minimum time in milliseconds for which the modem must detect continuous tone non-existence in order for the “Tone Off” event to be reported.

2.8.2       Alternate Tone A

2 Bytes                                     Defines the Center Frequency of the alternate tone detector.

2 Bytes                                     Defines the Bandwidth of the alternate tone detector.

            4 Bytes                                     Defines the Response Time of the alternate tone detector.

            2 Bytes                                     Defines the THRESHU of the alternate tone detector.

            2 Bytes                                     Defines the THRESHL of the alternate tone detector.

            4 Bytes                                     Reserved.

            4 Bytes                                     Defines alternate tone ON stability time.

            4 Bytes                                     Defines alternate tone OFF stability time.

2.8.3       Voice Call Progress Tone A

2 Bytes                                     Defines the Center Frequency of the voice call-progress tone detector.

2 Bytes                                     Defines the Bandwidth of the voice call-progress tone detector.

            4 Bytes                                     Defines the Response Time of the voice call progress tone detector.

            2 Bytes                                     Defines the THRESHU of the voice call-progress tone detector.

            2 Bytes                                     Defines the THRESHL of the voice call-progress tone detector.

            4 Bytes                                     Reserved.

            4 Bytes                                     Defines voice call-progress tone ON stability time.

            4 Bytes                                     Defines voice call-progress tone OFF stability time.

2.9           SREG

            BYTE [10][4]

S Registers Limiting Parameters

Used to set the limits and factory default value of an S Register.

Allows for 10 S Registers to be declared.

Each parameter is 4 Bytes and declared in the following format:

Byte 0 - S Register number.

Byte 1 - Limiting minimum value.

Byte 2 - Limiting maximum value.

Byte 3 - Default value.

                       

2.10     DTMF

DTMF Dial Parameters

Defined Values

2 Bytes                                     Defines the required ON time for a dialed DTMF. Value reflects the required time in milliseconds for the DTMF signal to remain ‘high’ during the dialing of a DTMF digit. If value is 0 then the DTMF ON time is the value in S11.

2 Bytes                                     Defines the required length of time between DTMF digits. Value reflects the required delay time in milliseconds between two consecutive digit transmissions. If value is 0 then the interdigit delay is the value in S11.

2.11     THRESHOLD

Threshold Parameters: Used only when DaaType is Silicon DAA (see 3.173.17).

 

Defined Values

            14 Bytes                                   Reserved                                             

            2 Bytes                                     Defines Ring threshold in percent of duty cycle. (Ex: 70% -> 700d = 02BCh)

            2 Bytes                                     Reserved

            2 Bytes                                     Defines CID threshold.

2.12     RLSD

RLSD Threshold Adjustment Parameter

Defined Values

            4 Bytes                                     Defines a +/- dB offset from the selected RLSD threshold.

2.13     TONE

Tone Detection Parameters

Defined Values

2 Bytes                                     Defines dial tone stability time. Value reflects the minimum time in milliseconds for which the modem must detect continuous dial tone in order for dial tone to be considered valid. This value is used for cadencing of the dial tone in addition to the dial tone cadence parameters, which are defined in the CADENCE section.

2 Bytes                                     Defines W dial tone stability time. Value reflects the minimum time in milliseconds for which the modem must detect a continuous dial tone after encountering a W parameter in the dial string for the tone to be considered a valid secondary dial tone. This value is used for cadencing of the dial tone in addition to the dial tone cadence parameters, which are defined in the CADENCE section.        

2 Bytes                                     Reserved.

2 Bytes                                     Reserved

1 Byte                                       Defines the dial tone wait time before non-blind dialing. In the case of blind dialing the value in S6 register is used.

2.14     TIMING

Timing Parameters for redialing and billing

Defined Value

2 Bytes                                     Defines minimum delay when attempting an outgoing call to the same number that was previously attempted. Value reflects the delay time in milliseconds required by the modem to wait after hang-up before initiating another call.

2 Bytes                                     Defines minimum delay when attempting an outgoing call to a different number than that was previously attempted. Value reflects the delay time in milliseconds required by the modem to wait after hang-up before initiating another call.

2 Bytes                                     Defines minimum delay when attempting an outgoing call after an incoming call. Value reflects the delay time in milliseconds required by the modem to wait after hang-up before initiating another call.

2 Bytes                                     Defines billing delay. Value reflects a minimum delay between the time the modem goes off hook and the time when the modem begins answering the call.

2.15     CADENCE

Tone Cadence Parameters

 

Defined Values

            1 Byte                                       Defines number of phases (1,2). Value reflects number of different Phases (pulse)

that identifies a tone’s cycle.

            36 Bytes*                                  Defines cadence for Dialtone                                         

            36 Bytes*                                  Defines cadence for Busy                                                          

            36 Bytes*                                  Defines cadence for Ringback                            

            36 Bytes*                                  Defines cadence for Congestion             

*Parameter declared in the following format:

            Minimum ON time (ms);  Phase 1                                   -           4 Bytes

            Maximum ON time (ms); Phase 1                                    -           4 Bytes

            Minimum OFF time (ms); Phase 1                                   -           4 Bytes

            Maximum OFF time (ms); Phase 1                                  -           4 Bytes

            Minimum ON time (ms);  Phase 2 (if used)                       -           4 Bytes

            Maximum ON time (ms); Phase 2 (if used)                       -           4 Bytes

            Minimum OFF time (ms); Phase 2 (if used)                      -           4 Bytes

            Maximum OFF time (ms); Phase 2 (if used)                     -           4 Bytes

            Number of cycles needed for detection (if used)                -           4 Bytes

2.16     BLACKLISTING

Blacklisting Parameters

For a detailed explanation of the HSF Blacklisting, refer to the document, HSF BLACKLISTING DOCUMENTATION.

Defined Values

            1 Byte               Defines method number to be used for occurrence of No Dialtone

            1 Byte               Defines method number to be used for occurrence of Key Abort

            1 Byte               Defines method number to be used for occurrence of Busy

            1 Byte               Defines method number to be used for occurrence of No Connection

            1 Byte               Defines method number to be used for occurrence of No Answer  

            1 Byte               Defines method number to be used for occurrence of Voice Answer          

2 Bytes             Defines Delay1 to be used for Inter Call Delay upon failure when redialing the

same number (Method 1).

            2 Bytes             Defines Delay2 to be used for Inter Call Delay upon failure when redialing a

different number (Method 1).

            2 Bytes             Defines Delay3 to be used by Method 2

            2 Bytes             Defines Delay4 to be used by Method 3

            2 Bytes             Defines Count1 to be used by Method 2

            2 Bytes             Defines Count2 to be used by Method 3

            1 Byte               Blacklisting Flags

                                                bit0       -           Enable permanent blacklisting

                                                bit1       -           Enable resetting of a blacklist number upon a

successful attempt




                                                bit2       -           Enable distinct failure condition

                                                bit3       -           reserved

                                                bit4       -           reserved

                                                bit5       -           reserved

                                                bit6       -           reserved

                                                bit7       -           reserved

2.17     CALLERID

Caller ID Parameter

           

Defined Values

1 Byte                                       Defines Caller ID type.  The table below shows the currently defined types.  More types will be added in the future.

                                                                       

ID Type

Country

0

No Caller ID

1

United States

2

Japan

3

Japan (Unimodem)

4

French

5

UK

2.18     SPEEDADJUST

Initial Speed Selection Adjustment Parameters

 

Defined Values For HSF

1 Byte                                       V90 speed adjust index. The index is actually a real number represented in a mantissa + exponent format where the 4 most significant bits (L) define the mantissa and the 4 least significant bits (R) define the exponent in negative form. This number limits the percentage of BLER allowed:
 BLER limit = L*10^(-R) %
The higher the maximal allowed BLER is, the more aggressive the connectivity becomes, i.e. the connection rates tend to be higher. Typically, decreasing the exponent by 1 results in one rate higher connections. Note, that the above is very line dependent.
Examples:
Byte 41 defines the limit 0.4% (or 0.004)
Byte f1 defines the limit 1.5%
Byte f0 defines the limit 15%
The value of 0 indicates the default setting of the modulation, which may change from time to time.

1 Byte                                       K56 speed adjust index. Not supported.

1 Byte                                       V.34 speed adjust index. Not supported.

2.19     FLAGS

Four bit-mapped bytes are used as boolean flags for specifying certain modem behaviors.

Defined Values (Flag0)

bit 0                                          Enable use of Alternate filter instead of the Primary filter for dial tone detection.

bit 1                                          Enable use of Alternate filter instead of the Primary filter for call progress detection.

bit 2                                          Enable use of Alternate filter instead of the Primary filter for secondary dial tone detection.

bit 3                                          Enable use of Alternate filter instead of the Primary filter for secondary dial tone detection after dialing the international access code

bit 4                                          Unused

bit 5                                          Unused

bit 6                                          Unused

bit 7                                          Unused

Defined Values (Flag1)

bit 0                                          Enable enforcement of  Dial Tone detection. Setting of this flag prevents blind dialing and overrides the X0, X1, and X3 commands.

bit 1                                          Enable enforcement of Data calling tone or CI. Setting of this flag prevents the disabling of calling tone transmission.

bit 2                                          Enable enforcement of 1800 Hz guard tone.  Setting of this flag forces the transmission of guard tone.

bit 3                                          Enable enforcement of Busy detection. Setting of this flag forces the detection of BUSY and overrides the X0, X1, and X2 commands.

bit 4                                          Enable the use of S7 as the delay when W command is executed.

bit 5                                          Enable the Hang Up of call with Call Waiting is detected.

bit 6                                          Unused

bit 7                                          Unused

           

Defined Values (Flag2)

bit 0                                          Disable the execution of  ATH1.

bit 1                                          Disable the execution of ATDTxxPyy (Disallow dialing one dial string by a mix of tone and pulse dialing.

bit 2                                          Enable the use of pulse dialing (ATDP).

bit 3                                          Enable the dialing of DTMF A, B, C and D digits.

bit 4                                          Enable Blacklisting.

bit 5                                          Enable Long tone is busy. Causes the modem to report BUSY when continuous dial tone is detected after call establishment

bit 6                                          Enable selection of U Law

bit 7                                          Disable Bell modes (Bell 103 mainly since Bell212=V.22)

 

Defined Values (Flag3)

            bit 0                                          Enable to ignore commas before the first dialed digit

            bit 1                                          Unused

            bit 2                                          Unused

            bit 3                                          Unused

            bit 4                                          Unused

            bit 5                                          Unused

            bit 6                                          Unused

            bit 7                                          Unused

3         OEM Parameter Values

Location of Key in WINDOWS 95 Registry is

HKEY_LOCAL_MACHINE System CurrentControlSet Services Class Modem [XXXX] OEM

            [XXXX]             -           PnP modem key number

3.1           ATI Subkey Values

3.1.1                   ATI0

            CHAR[]                         Reports product code

3.1.2                   ATI1

                        CHAR[]                         Reports Pre-Computed checksum

3.1.3                   ATI3

                        CHAR[]                         Reports Firmware Version

3.1.4                   ATI4

                        CHAR[]                         Reports OEM defined string

3.1.5                   ATI6

                        CHAR[]                         Reports data pump model and internal code revision

3.1.6                   ATI7

                        CHAR[]                         Reserved

3.2           ATPLUSID Subkey Values

3.2.1                   AT+GCAP                

                                CHAR[]                         Causes the modem to transmit lines of information text listing additional capabilities

                                                            commands +<name>s, which is intended to permit the user to identify the overall

                                                            capabilities of the modem.

3.2.2                   AT+GMI

                        CHAR[]                         Reports the modem product manufacturer provided in the product configuration file

3.2.3                   AT+GMM

                                CHAR[]                         Reports the modem product model provided in the product configuration file

3.2.4                   AT+GMR

                                CHAR[]                         Reports the modem version, revision level or date as provided in the product

                                                            configuration file

3.2.5                   AT+GOI

                                CHAR[]                         Reports device identification based on the ISO system for registering unique

                                                            object identifiers.

3.2.6                   AT+GSN

                                CHAR[]                         Reports the modem product modem serial number provided in the product

                                                            configuration file.

3.2.7                   AT+FMI

                                CHAR[]                         Reports the modem product manufacturer provided in the product configuration file

3.2.8                   AT+FMM      

                            CHAR[]                         Reports the modem product model provided in the product configuration file

3.2.9                   AT+FMR

                            CHAR[]                         Reports the modem version, revision level or date as provided in the product

                                                                                configuration file

3.3           SREGS

Used to set S-Register default values

Defined Values

            1 Byte                                       Defines S0 - Number of rings till auto answer

            1 Byte                                       Defines S1 - Ring counter

            1 Byte                                       Defines S2 - Escape Character

            1 Byte                                       Defines S3 - Carriage Return Character

            1 Byte                                       Defines S4 - Line Feed Character

            1 Byte                                       Defines S5 - Backspace Character

            1 Byte                                       Defines S6 - Wait time(ms) for dial tone before blind dialing

            1 Byte                                       Defines S7 - Wait time(me) for Carrier

            1 Byte                                       Defines S8 - Defines pause time in seconds for “,”

            1 Byte                                       Defines S9 - Defines carrier detect response time (units in 0.01sec)

            1 Byte                                       Defines S10 - Defines carrier loss disconnect time (units in 0.01sec)

            1 Byte                                       Defines S11 - DTMF tone duration

            1 Byte                                       Defines S12 - Escape prompt delay

            1 Byte                                       Defines S13 - Reserved

            1 Byte                                       Defines S14 - General Bit Mapped Option

            1 Byte                                       Defines S15 - Reserved

            1 Byte                                       Defines S16 - Reserved

            1 Byte                                       Defines S17 - Reserved

            1 Byte                                       Defines S18 - Reserved

            1 Byte                                       Defines S19 - Reserved

            1 Byte                                       Defines S20 - Reserved

            1 Byte                                       Defines S21 - General Bit Mapped Option

            1 Byte                                       Defines S22 - General Bit Mapped Options

            1 Byte                                       Defines S23 - General Bit Mapped Options

            1 Byte                                       Defines S24 - Sleep Inactivity Timer (units of 10s)

            1 Byte                                       Defines S25 - Length of time that ignores DTR before hanging up

            1 Byte                                       Defines S26 - RTS to CTS delay

            1 Byte                                       Defines S27 - General Bit Mapped Option

            1 Byte                                       Defines S28 - General Bit Mapped Option

            1 Byte                                       Defines S29 - Flash delay (units of 10ms)

            1 Byte                                       Defines S30 - Disconnect inactivity timer (units in minutes)

            1 Byte                                       Defines S31 - General Bit Mapped Option

            1 Byte                                       Defines S32 - XON character

            1 Byte                                       Defines S33 - XOFF character

            1 Byte                                       Defines S34 - Reserved

            1 Byte                                       Defines S35 - Reserved

            1 Byte                                       Defines S36 - LAPM failure control

            1 Byte                                       Defines S37 - DCE connection speed

            1 Byte                                       Defines S38 - Delay before forced hangup(error correction)

            1 Byte                                       Defines S39 - Flow control

3.4           AT+MSSTR

            CHAR[]                                     Defines default modulation string

3.5           AT+MS

            4 Bytes                                     Defines default modulation type

            4 Bytes                                     Enables/Disables automatic modulation negotiation.

            4 Bytes                                     Defines the lower limit in the transmit direction.

            4 Bytes                                     Defines the upper limit in the transmit direction.

            4 Bytes                                     Defines the lower limit in the receive direction.

            4 Bytes                                     Defines the upper limit in the receive direction.

3.6           V25TER

Used to set default operation of modem

Defined Values

3.6.1       +IPR

            4 Bytes                                     Defines fixed DTE rate

3.6.2       +ILRR

            4 Bytes                                     Defines DTE rate reporting

3.6.3       +MR

            4 Bytes                                     Defines modulation reporting

3.6.4       +ESR

            4 Bytes                                     Defines the use of the selective repeat(SREF) option in V.42.

3.6.5       +EFCS

            4 Bytes                                     Defines the use of the 16-bit or 32-bit frame check sequence (FCS) option in

                                                            V.42.

3.6.6       +ER

            4 Bytes                                     Defines error correction reporting.

3.6.7       +DR

            4 Bytes                                     Defines data compression reporting

3.6.8       A8E Related Parameters

            1 Byte                                       Defines A8E allowed call function value

            1 Byte                                       Reserved use

3.6.9       +A8E Parameters

            4 Bytes                                     Defines an enable/disable of +A8x indications during modem-controlled

                                                            V.8 origination negotiation.

            4 Bytes                                     Defines an enable/disable of +A8x indications during modem-controlled

                                                            V.8 answer negotiation.

            4 Bytes                                     Defines the V.8 CI signal call function (octet)

            4 Bytes                                     Defines an enable/disable of V.8bis negotiations.

            20 Bytes                                   Defines ‘Cfrange’. Used when DCE-controlled negotiations with +A8x

                                                            indications are set to enable.

            20 Bytes                                   Defines ‘Protrange’. Used when DCE-controlled negotiations with +A8x

                                                            indications are set to enable.

3.6.10  +DS Parameters (Data Compression)

            4 Bytes                                     Defines the desired direction(s) of operation of the data compression

                                                            function from the DTE point of view.

            4 Bytes                                     Defines whether or not the modem should continue to operate if the desired

                                                            data compression negotiation result is not obtained.

            4 Bytes                                     Defines, in regards to data compression, the maximum number of dictionary

                                                            entries which should be negotiated.

            4 Bytes                                     Defines, in regards to data compression, the maximum string length to be

                                                            negotiated.

3.6.11  +EB Parameters (Break Handling in Error Control Operation)

            4 Bytes                                     Defines whether the break is to be ignored, i.e., not signaled to remote DCE.

            4 Bytes                                     Defines length of time of any V.42 L-SIGNAL  before break.

            4 Bytes                                     Defines break length.

3.6.12  +ES Parameters (Error control and Synchronous Mode Selection)

            4 Bytes                                     Specifies the initial requested mode of operation when the modem is

                                                            operating as the originator.

            4 Bytes                                     Specifies the acceptable fallback mode of operation when the modem is

                                                            operating as the originator.

            4 Bytes                                     Specifies the acceptable fall back mode of operation when the modem is

operating as the answer or specifies V.80 Synchronous Access Mode.

3.6.13  +ESA Parameters (Synchronous Access Mode)

            4 Bytes                                     Specifies the bit sequence transmitted by the modem while a transmit data buffer

                                                            underrun condition occurs, while operating in Transparent sub-Mode.

            4 Bytes                                     Specifies the bit sequence transmitted by the modem when a transmit date buffer

                                                            underrun condition occurs immediately after a flag, while operating in Framed

                                                            sub-Mode.

            4 Bytes                                     Specifies the action taken by the modem when a transmit data buffer underrun or

                                                            overrun condition occurs immediately after a non-flag octet, while operating in

                                                            Framed sub-Mode.

            4 Bytes                                     Specifies the CRC polynomial used while operating in Framed sub-Mode.

            4 Bytes                                     Specifies if Non Return to Zero Inverted (NRZI) encoding is to be used by the

                                                            modem for transmit and receive data.

            4 Bytes                                     Specifies the an octet value to be used while performing character-oriented

                                                            framing.

3.6.14  +ETBM Parameters (Call Termination Buffer Management)

            4 Bytes                                     Specifies length of time, after the local DTE requests call disconnection,  that all  

                                                            buffered transmit data will be discarded.

            4 Bytes                                     Specifies length of time, after the local DTE requests call disconnection,  that all  

                                                            buffered receive data will be discarded.

            4 Bytes                                     Specifies length of time that the modem will attempt to continue to deliver the

                                                            before abandoning the attempt and discarding the data.

3.6.15  +FIT (DTE Inactivity Timeout)

            4 Bytes                                     Specifies the DTE inactivity timeout in seconds.

            4 Bytes                                     Specifies the inactivity action type.

3.6.16  +ICF  (Char Format Options)

            4 Bytes                                     Specifies the char format.

            4 Bytes                                     Specifies the char parity.

3.6.17  +IFC (DTE Modem Local Flow Control)

            4 Bytes                                     Specifies the method used by the DTE to control the flow of received data from

                                                            the modem.

            4 Bytes                                     Specifies the method to be used by the modem to control the flow of transmitted

                                                            data from the DTE.

3.6.18  +ITF (Transmit Flow Control Thresholds)

            4 Bytes                                     Specifies the threshold, in octet, above which the modem will generate a flow off

                                                            signal. Applicable in Synchronous Access Mode.

            4 Bytes                                     Specifies the threshold, in octet, below which the modem will generate a flow on

                                                            signal. Applicable in Synchronous Access Mode.

            4 Bytes                                     Species the number of bytes in the transmit buffer.

3.6.19  MISC AT Commands

            1 Byte                                       Defines E          -           Command echo

            1 Byte                                       Defines Q          -           Result code suppression

            1 Byte                                       Defines V          -           Modem response format

            1 Byte                                       Defines T          -           Select tone dial

            1 Byte                                       Defines &D        -           DTR behavior

            1 Byte                                       Defines &C        -           RLSD behavior

            1 Byte                                       Defines L          -           Monitor speaker loudness

            1 Byte                                       Defines M         -           Monitor speaker mode

            1 Byte                                       Defines X          -           Result code selection and call progress monitoring

                                                                                                control.

            1 Byte                                       Defines &T        -           Request for RDL

            1 Byte                                       Defines %E       -           Enable/Disable line quality monitor, auto-retrain, and auto

                                                                                                rate renegotiation.

            1 Byte                                       Defines &G       -           Select guard tone.

            1 Byte                                       Defines &P        -           Select pulse dial Make/Break ratio.

            1 Byte                                       Defines &R        -           Defines RTS option.

3.7           CONSTTONEPARAMS

Tone Detect Parameters used by the HSF Data Pump

Defined Values

            24 Bytes*                                  Defines Tone ATBel

            24 Bytes*                                  Defines Tone AtV25

            24 Bytes*                                  Defines Tone CI Center Frequency

            24 Bytes*                                  Defines Tone CI Side Band

            24 Bytes*                                  Defines ToneC 2912

            24 Bytes*                                  Defines ToneB 2312

            24 Bytes*                                  Defines ToneB 2750

            24 Bytes*                                  Defines ToneB 2130

            24 Bytes*                                  Defines ToneA Not ST

            24 Bytes*                                  Defines ToneC 1650

            24 Bytes*                                  Defines Tone 1270

            24 Bytes*                                  Defines Tone CReSEG1 2002

*Parameter declared in the following format:

2 Bytes                                     Defines the Center Frequency of the primary tone detector. Value represents the frequency in Hz.

2 Bytes                                     Defines the Bandwidth of the primary tone detector. Value represents a range in Hz (with the Center Frequency in the middle. Tones within the specified range should be detected (e.g. if Center Frequency is 450 and the Bandwidth is 400, tones in the range of 250-650Hz are detected).

4 Bytes                                     Defines primary filter Response Time. Value reflects the minimum time in milliseconds that takes the detector to detect a tone. Longer response time provides a more accurate tone detection. Normally, the default value for this parameter should not be changed.

2 Bytes                                     Defines primary THRESHU. Value represents an upper limit level in dBm. If the

                                                tone level that is being detected  exceeds the value of THRESHU, then the tone detect flag is SET. This value will be overwritten by the values in the THRESHOLD country key. The value should be greater than the Response Time.

2 Bytes                                     Defines primary THRESHL. Value represents a lower limit level in dBm. If the tone

                                                level falls below THRESHL then the tone detect flag is RESET.  This value will be overwritten by a value derived from the values in the THRESHOLD country key. This value should be greater than the Response Time.

4 Bytes                                     Reserved.

4 Bytes                                     Defines primary tone ON stability time. Value reflects the minimum time in milliseconds for which the modem must detect continuous tone in order for the “Tone On” event to be reported.

4 Bytes                                     Defines primary tone OFF stability time. Value reflects the minimum time in milliseconds for which the modem must detect continuous tone non-existence in order for the “Tone Off” event to be reported.

3.8           AT_MISC_DEF

Misc AT Command Definitions

4 Bytes                                     Defines ATW Command

4 Bytes                                     Defines AT+FAE Command

4 Bytes                                     Enable V90

4 Bytes                                     RESERVED (Default = 0x0000)

3.9           MISC_VOICE_PARMS

Misc Voice Parameter Definitions

4 Bytes                                     Defines DSVD +VGS minimum value

4 Bytes                                     Defines DSVD +VGS maximum value

4 Bytes                                     Defines DSVD +VGS default value

4 Bytes                                     Defines DSVD +VGM minimum value

4 Bytes                                     Defines DSVD +VGM maximum value

4 Bytes                                     Defines DSVD +VGM default value

4 Bytes                                     Defines FDSP +VGS minimum value

4 Bytes                                     Defines FDSP +VGS maximum value

4 Bytes                                     Defines FDSP +VGS default value

4 Bytes                                     Defines FDSP +VGM minimum value

4 Bytes                                     Defines FDSP +VGM maximum value

4 Bytes                                     Defines FDSP +VGM default value

1 Byte                                       Defines FDSP +VGR minimum value

1 Byte                                       Defines FDSP +VGR maximum value

1 Byte                                       Defines FDSP +VGR default value

1 Byte                                       Defines TAM +VGR minimum value

1 Byte                                       Defines TAM +VGR maximum value

1 Byte                                       Defines TAM +VGR default value

1 Byte                                       Defines the Voice TX Level lower limit.

1 Byte                                      Defines the Voice Telout limit.

1 Byte                                      Defines the Voice Line Rx Gain Bias in dB units.



1 Byte                                      Defines the SpeakerPhone Line Rx Gain Bias in dB units.

1 Byte                                      Defines the SpeakerPhone Mic Rx Gain Bias in dB units.

1 Byte                                       Defines the Voice Codec Mic gain in dB units.

3.10     CADENCE

OEM Tone Cadence Parameters

 

Defined Values

            1 Byte                                       Defines number of phases (1,2). Value reflects number of different Phases (pulse)

that identifies a tone’s cycle.

            36 Bytes*                                  Defines cadence for Fax Calling tone cadence

            4 Bytes                                     Defines a special Fax Calling tone timer

*Parameter declared in the following format:

            Minimum ON time (ms);  Phase 1                                   -           4 Bytes

            Maximum ON time (ms); Phase 1                                    -           4 Bytes

            Minimum OFF time (ms); Phase 1                                   -           4 Bytes

            Maximum OFF time (ms); Phase 1                                  -           4 Bytes

            Minimum ON time (ms);  Phase 2 (if used)                       -           4 Bytes

            Maximum ON time (ms); Phase 2 (if used)                       -           4 Bytes

            Minimum OFF time (ms); Phase 2 (if used)                      -           4 Bytes

            Maximum OFF time (ms); Phase 2 (if used)                     -           4 Bytes

            Number of cycles needed for detection (if used)                -           4 Bytes

3.11     AUDIO_AEC

DSVD Digital FDSP Audio Parameters that are used to tune DSP.

Defined Values

2 Bytes                                     DP_TIME_CLEAR_OUT_SPK_BIT

2 Bytes                                     DP_LINE_RECEIVE_INT_SCL_FCT

2 Bytes                                     DP_LINE_RECEIVE_FRC_SCL_FCT

2 Bytes                                     DP_LINE_TRANSMIT_INT_SCL_FCT

2 Bytes                                     DP_LINE_TRANSMIT_FRC_SCL_FCT

2 Bytes                                     DP_MIC_INT_SCL_FCT

2 Bytes                                     DP_MIC_FRC_SCL_FCT

2 Bytes                                     DP_SPK_INT_SCL_FCT

2 Bytes                                     DP_SPK_FRC_SCL_FCT

2 Bytes                                     DP_HANDSET_DOUBLE_TX_LIMIT

2 Bytes                                     DP_HANDSET_RXMODE_TX_LIMIT

2 Bytes                                     DP_HANDSET_SILENT_TX_LIMIT

2 Bytes                                     DP_HANDSET_NEG56DB

2 Bytes                                     DP_HANDSET_MIC_INT_SCL_FCT

2 Bytes                                     DP_HANDSET_MIC_FRC_SCL_FCT

2 Bytes                                     DP_HANDSET_SPK_INT_SCL_FCT

2 Bytes                                     DP_HANDSET_SPK_FRC_SCL_FCT

2 Bytes                                     DP_HEADSET_MIC_INT_SCL_FCT

2 Bytes                                     DP_HEADSET_MIC_FRC_SCL_FCT

2 Bytes                                     DP_HEADSET_SPK_INT_SCL_FCT

2 Bytes                                     DP_HEADSET_SPK_FRC_SCL_FCT

2 Bytes                                     DP_DTD_THRESHOLD

            2 Bytes                                    DP_NFREF

3.12     MOD_THRESHOLD

Defines the threshold for a given modulation.

For a given modulation of 4 Bytes

-           Byte 0 to 1 defines the Originate Threshold

-           Byte 2 to 3 defines the Answer Threshold

Defined Values

4 Bytes                                     V21

4 Bytes                                     V21Fax

4 Bytes                                     V23

4 Bytes                                     V22

4 Bytes                                     V22b

4 Bytes                                     V32

4 Bytes                                     V32b

4 Bytes                                     V34

4 Bytes                                     K56

4 Bytes                                     V90

4 Bytes                                     V27

4 Bytes                                     V29

4 Bytes                                     V17

3.13     CALLWAITING_PARMS (TWO-LINE only)

Call Waiting Threshold Parameters

 

Defined Values

            10 Bytes*                                  Defines detection parameter for V90 Modulation

            10 Bytes*                                  Defines detection parameter for K56 Modulation

            10 Bytes*                                  Defines detection parameter for V34 Modulation

            10 Bytes*                                  Defines detection parameter for V32 Modulation

            10 Bytes*                                  Defines detection parameter for V32B Modulation

*Parameter declared in the following format:

            Upper bound threshold                                        -           2 Bytes

            Lower bound threshold                                        -           2 Bytes

            Alternate Upper bound threshold                          -           2 Bytes

            Alternate Lower bound threshold                          -           2 Bytes

            Receive power level indicator                              -           2 Bytes

3.14     AT_MISC_CELL_DEF (WIRELESS only)

Misc WIRELESS AT Command Definitions

4 Bytes                                     Defines AT+WS46 Command

3.15     FLAGS

Defined Values (Flag0)

            bit 0                                          Reserved

bit 1                                          Enable notification of use of an analog speaker

            bit 2                                          Enable Data/Fax remote TAM

            bit 3                                          Enable Data/Fax Voice View

            bit 4                                          Enable LCS present

            bit 5                                          Enable the use of 3.3V Analog IA

            bit 6                                          Enable the detection of remote hang up

            bit 7                                          Enable speaker mute hardware present

Defined Values (Flag1)

            bit 0                                          Enable country detection from hardware

            bit 1                                          Enable validation of ACF AT command set (S46, %C, K, &K, &Q)

            bit 2                                          Enable PME

            bit 3                                          PME with interrupt. When set modem will assert PME and generate

interrupt upon wake up from D3.

            bit 4                                          Enable to allow a NONE response in country select tab

            bit 5                                          Control speaker mute polarity. ‘1’ implies active HIGH and ‘0’ implies active LOW

            bit 6                                          Enables speaker boost. ‘1’ will set IA speaker output to maximum level. ‘0’ will

                                                            use default value.

            bit 7                                          Enable the allowing of +VGM and +VGS to control microphone and speaker. If

                                                            value is set to ‘0’, driver will use DSVD default values.

Defined Values (Flag2)

            bit 0                                          Reserved

            bit 1                                          Disable the forcing of LAPM when V.8bis fails in V90.

bit 2                                          Disables DOS support by unchecking the box

            bit 3                                          Enables the user to select whether  DOS is supported or not (via DOS select box)

            bit 4                                          Enable special local handset handling based on +VCID setting.

            bit 5                                          Enable the detection by the hardware of an extension off hook event.

            bit 6                                          Enable the customization of driver for LAN Modem.

            bit 7                                          Enable the maintaining of the line connection on a port close.

Defined Values (Flag3)

            bit 0                                          Enable access to all GPIO bits.

            bit 1                                          Enable DAA support of D3 Caller ID circuitry

            bit 2                                          Enable “Line in Use” feature. Will check to see if handset is down before dialing. If

handset is up,  a BUSY is reported. LCS Present Flag must be enabled.

            bit 3                                          Disable the limiting of the V.42 data rate to the PC

            bit 4                                          Reserved

            bit 5                                          Enable the disallowing of answer in V23 mode.

            bit 6                                          Reserved

                bit 7                                                        Reserved

3.16     PROPERTIES

NVRam Capabilities

4 Bytes                                     Defines NVRam Capabilities

3.17     DaaType

Used to define DAA type being used.

Defined Value

DaaType

0

Normal Standard DAA

1

Silicon Smart DAA

2

Soft DAA

3.18     SmartDAAParams (SiliconSmart -DAA Only)

Smart DAA Parameters

 

Defined Values

            4 Bytes                         Defines the R6 value of the circuit in K ohms

            4 Bytes                         Defines the R26 value of the circuit in K ohms

            4 Bytes                         Defines the R28 value of the circuit in ohms

            4 Bytes                         Defines the R30 value of the circuit in K ohms

            4 Bytes                         Defines the R38 value of the circuit in ohms

            4 Bytes                         Defines the power limit on the AC transistor in mW

            4 Bytes                         Defines the power limit on the DC transistor in mW

            4 Bytes                         **Impedance values to be used.

            5 Bytes                         *Defines the 5 DC Loop voltage points of Curve 0 (units of 0.5 volts)

            5 Bytes                         *Defines the 5 DC Loop voltage points of Curve 1 (units of 0.5 volts)

            5 Bytes                         *Defines the 5 DC Loop voltage points of Curve 2 (units of 0.5 volts)

            5 Bytes                         *Defines the 5 DC Loop voltage points of Curve 3 (units of 0.5 volts)

            5 Bytes                         *Defines the 5 DC Loop voltage points of Curve 4 (units of 0.5 volts)

            5 Bytes                         *Defines the 5 DC Loop current points of Curve 0 (units of mA)

            5 Bytes                         *Defines the 5 DC Loop current points of Curve 1 (units of mA)

            5 Bytes                         *Defines the 5 DC Loop current points of Curve 2 (units of mA)

            5 Bytes                         *Defines the 5 DC Loop current points of Curve 3 (units of mA)

            5 Bytes                         *Defines the 5 DC Loop current points of Curve 4 (units of mA)

            4 Bytes                         Flags

           

* The order of the defined points are from point 1 to point 5 where point 1 is the LSB BYTE and point 5 is the MSB Byte as defined in the MS REGISTRY format specification. Value is used in association with the RELAY values defined in the County section.

** This value defines 4 impedance values which are selectable based on the values defined in RELAYS of the Country section. Impedance value 1 is the LSB Byte and Impedance value 4 is the MSB Byte as defined in the MS REGISTRY format specification.




3.18.1  SmartDAA Flags

The 4 bytes of the Flags field correspond to System Side registers as specified in the following table. The description in the table is digit (nibble) by digit, digit #1 being the leftmost character in the Flags line, and digit #8 is the rightmost one.

Digit #

SSD Reg#

Bits

Name

1

N/A

2

N/A

3

N/A

4

N/A

5

0B

[7:5]

DUTY_CYCLE for ultra low power

6

0B

[3:0]

DUTY_CYCLE for low power

7

06

[2:0]

CLKSHIGH (4MHz high power)

8

06

[6:4]

PWROUT

DUTY_CYCLE for ultra low power

digit        %duty cycle

0              1

2              2

4              3

6              4

8              5

A             6

C             7

E             8

DUTY_CYCLE for low power

digit        %duty cycle

0              1

1              2

2              3

3              4

4              5

5              6

6              7

7              8

8              9

9              10

A             11

B             12

C             13

D             14

E             15

F              16

CLKSHIGH (4MHz high power)

digit        %duty cycle

0              50

1              14.3

2              28.3

3              42.9

7              50

3.19     SPKR_MUTE_DELAY

Speakers Mute Delay

2 Bytes                                     Defines the Speakers Mute Delay

4         Top Level Modem Parameters Values

Location of Key in WINDOWS 95 Registry is

HKEY_LOCAL_MACHINE System CurrentControlSet Services Class Modem [XXXX]

            [XXXX]             -           PnP modem key number

4.1           HardwareType

CHAR[]                                     Defines the Hardware Type. The Following types are currently supported – “FUJITSU”, “RIPTIDE” and “D420”

4.2           Buffers

CHAR[]                                     Defines if hardware buffers are used to handle the PCI bus latency problem. Possible values - “ON” or “OFF”.

4.3           BuffersDelay

BYTE                                        Defines the interrupt latency that the modem can handle in terms of buffer number ( this will later be changed to be in term of time). Default is value 03 if buffers field is “ON”, it is advised to change the BuffersDelay to 05.

4.4           BondOption

CHAR[]                                     Defines the functionality supported by the modem driver. The string value should be a hexadecimal bit mask number. The Bit Mask is translated as follows:

Bit

Enables

0

V34

1

Full duplex V34, VFC, V32, V22

2

28Mhz/22Mhz

3

V34Fax

4

Voice

5

SpeakerPhone

6

VFC

7

K56flex

8 - 15

Not Assigned


 [R1]








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