Voice Software Reference: Programmer's Guide: Voice Board Parameters

6.2. Voice Board Parameters

The voice board parameter defines have a "DXBD_" prefix.

The board parameter defines, default settings, read/write privileges, and descriptions follow.

Table 4. Voice Board Parameters

Define

Bytes

Read/
Write

Default

Description

DXBD_CHNUM

1

R

-

Channel Number - number of channels on the board

DXBD_FLASHCHR

1

R/W

&

Flash character - character that causes a hook flash when detected.

DXBD_FLASHTM

2

R/W

50

Flash Time - length of time onhook during flash

DXBD_HWTYPE

1

R

-

Hardware Type - value can be:
TYP_D40: D/40 board
TYP_D41: D/21, D/41,
D/xxxSC board

DXBD_MAXPDOFF

2

R/W

50

Maximum Pulse Digit Off - max. time loop current may be off before the existing loop pulse digit is considered invalid and reception is reinitialized

DXBD_MAXSLOFF

2

R/W

25

Maximum Silence Off - maximum time for silence being off, during audio pulse detection

DXBD_MFDELAY

2

R/W

6

MF Interdigit Delay - The length of the silence period between tones during MF dialing. This parameter affects all the channels on the board. (10 ms units)

DXBD_MFLKPTONE

2

R/W

10

MF Length of LKP Tone - The length of the LKP tone during MF dialing. This parameter affects all the channels on the specified board.
Maximum value: 15 (10 ms units)

DXBD_MFMINON

2

R/W

0

Minimum MF On - The duration to be added to the standard MF tone duration before the tone is detected. The minimum detection duration is 65 ms for KP tones and 40 ms for all other tones. This parameter affects all the channels on the board. (10 ms units)

DXBD_MFTONE

2

R/W

6

MF Minimum Tone Duration - The duration of a dialed MF tone. This parameter affects all the channels on the board.
Maximum value: 10 (10 ms units)

DXBD_MINIPD

2

R/W

25

Minimum Loop Interpulse Detection - minimum time between loop pulse digits during loop pulse detection

DXBD_MINISL

2

R/W

25

Minimum Interdigit Silence - minimum time for silence on between pulse digits for audio pulse detection

DXBD_MINLCOFF

2

R/W

0

Minimum Loop Current Off - minimum time before loop current drop message is sent

DXBD_MINOFFHKTM

2

R/W

250

Minimum offhook time (10 ms)

DXBD_MINPDOFF

1

R/W

2

Minimum Pulse Detection Off - minimum break interval for valid loop pulse detection

DXBD_MINPDON

1

R/W

2

Minimum Pulse Detection On - minimum make interval for valid loop pulse detection

DXBD_MINSLOFF

1

R/W

2

Minimum Silence Off - min. time for silence to be off for valid audio pulse detection

DXBD_MINSLON

1

R/W

1

Minimum Silence On - min. time for silence to be on for valid audio pulse detection

DXBD_MINTIOFF

1

R/W

5

Minimum DTI Off - minimum time required between rings-received events

DXBD_MINTION

1

R/W

5

Minimum DTI On - minimum time required for rings received event

DXBD_OFFHDLY

2

R/W

50

Offhook Delay - period after offhook, during which no events are generated e.g., no DTMF digits will be detected during this period.

DXBD_P_BK

2

R/W

6

Pulse Dial Break - duration of pulse dial off-hook interval

DXBD_P_IDD

2

R/W

100

Pulse Interdigit Delay - time between digits in pulse dialing

DXBD_P_MK

2

R/W

4

Pulse Dial Make - duration of pulse dial offhook interval

DXBD_PAUSETM

2

R/W

200

Pause Time - delay caused by a comma in the dialing string

DXBD_R_EDGE

1

R/W

ET_ROFF

Ring Edge - detection of ring edge, values can be:
ET_RON: beginning of ring
ET_ROFF: end of ring

DXBD_R_IRD

2

R/W

80

Inter-ring Delay - maximum time to wait for the next ring (100 ms units). Used to distinguish between calls. Set to 1 for T-1 applications.

DXBD_R_OFF

2

R/W

5

Ring-off Interval - minimum time for ring not to be present before qualifying as "not ringing" (100 ms units)

DXBD_R_ON

2

R/W

3

Ring-on Interval - minimum time ring must be present to qualify as a ring (100 ms units)

DXBD_S_BNC

2

R/W

4

Silence and Non-silence Debounce - length of a changed state before Call Status Transition message is generated

DXBD_SYSCFG

1

R

-

System Configuration - JP8 status for D/4x boards: 0 = loop start interface (JP8 in).; 1 = DTI/xxx interface (JP8 out):

DXBD_T_IDD

2

R/W

5

DTMF Interdigit delay (time between digits in DTMF dialing)

DXBD_TTDATA

1

R/W

10

DTMF length (duration) for dialing.

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Define	Bytes	Read/ Write	Default	Description
DXBD_CHNUM	1	R	-	Channel Number - number of channels on the board
DXBD_FLASHCHR	1	R/W	&	Flash character - character that causes a hook flash when detected.
DXBD_FLASHTM	2	R/W	50	Flash Time - length of time onhook during flash
DXBD_HWTYPE	1	R	-	Hardware Type - value can be: TYP_D40: D/40 board TYP_D41: D/21, D/41, D/xxxSC board
DXBD_MAXPDOFF	2	R/W	50	Maximum Pulse Digit Off - max. time loop current may be off before the existing loop pulse digit is considered invalid and reception is reinitialized
DXBD_MAXSLOFF	2	R/W	25	Maximum Silence Off - maximum time for silence being off, during audio pulse detection
DXBD_MFDELAY	2	R/W	6	MF Interdigit Delay - The length of the silence period between tones during MF dialing. This parameter affects all the channels on the board. (10 ms units)
DXBD_MFLKPTONE	2	R/W	10	MF Length of LKP Tone - The length of the LKP tone during MF dialing. This parameter affects all the channels on the specified board. Maximum value: 15 (10 ms units)
DXBD_MFMINON	2	R/W	0	Minimum MF On - The duration to be added to the standard MF tone duration before the tone is detected. The minimum detection duration is 65 ms for KP tones and 40 ms for all other tones. This parameter affects all the channels on the board. (10 ms units)
DXBD_MFTONE	2	R/W	6	MF Minimum Tone Duration - The duration of a dialed MF tone. This parameter affects all the channels on the board. Maximum value: 10 (10 ms units)
DXBD_MINIPD	2	R/W	25	Minimum Loop Interpulse Detection - minimum time between loop pulse digits during loop pulse detection
DXBD_MINISL	2	R/W	25	Minimum Interdigit Silence - minimum time for silence on between pulse digits for audio pulse detection
DXBD_MINLCOFF	2	R/W	0	Minimum Loop Current Off - minimum time before loop current drop message is sent
DXBD_MINOFFHKTM	2	R/W	250	Minimum offhook time (10 ms)
DXBD_MINPDOFF	1	R/W	2	Minimum Pulse Detection Off - minimum break interval for valid loop pulse detection
DXBD_MINPDON	1	R/W	2	Minimum Pulse Detection On - minimum make interval for valid loop pulse detection
DXBD_MINSLOFF	1	R/W	2	Minimum Silence Off - min. time for silence to be off for valid audio pulse detection
DXBD_MINSLON	1	R/W	1	Minimum Silence On - min. time for silence to be on for valid audio pulse detection
DXBD_MINTIOFF	1	R/W	5	Minimum DTI Off - minimum time required between rings-received events
DXBD_MINTION	1	R/W	5	Minimum DTI On - minimum time required for rings received event
DXBD_OFFHDLY	2	R/W	50	Offhook Delay - period after offhook, during which no events are generated e.g., no DTMF digits will be detected during this period.
DXBD_P_BK	2	R/W	6	Pulse Dial Break - duration of pulse dial off-hook interval
DXBD_P_IDD	2	R/W	100	Pulse Interdigit Delay - time between digits in pulse dialing
DXBD_P_MK	2	R/W	4	Pulse Dial Make - duration of pulse dial offhook interval
DXBD_PAUSETM	2	R/W	200	Pause Time - delay caused by a comma in the dialing string
DXBD_R_EDGE	1	R/W	ET_ROFF	Ring Edge - detection of ring edge, values can be: ET_RON: beginning of ring ET_ROFF: end of ring
DXBD_R_IRD	2	R/W	80	Inter-ring Delay - maximum time to wait for the next ring (100 ms units). Used to distinguish between calls. Set to 1 for T-1 applications.
DXBD_R_OFF	2	R/W	5	Ring-off Interval - minimum time for ring not to be present before qualifying as "not ringing" (100 ms units)
DXBD_R_ON	2	R/W	3	Ring-on Interval - minimum time ring must be present to qualify as a ring (100 ms units)
DXBD_S_BNC	2	R/W	4	Silence and Non-silence Debounce - length of a changed state before Call Status Transition message is generated
DXBD_SYSCFG	1	R	-	System Configuration - JP8 status for D/4x boards: 0 = loop start interface (JP8 in).; 1 = DTI/xxx interface (JP8 out):
DXBD_T_IDD	2	R/W	5	DTMF Interdigit delay (time between digits in DTMF dialing)
DXBD_TTDATA	1	R/W	10	DTMF length (duration) for dialing.