NEC PBX parameters

The following table describes NCC.X.ADI_NEC parameters (within the parameter category NCC.X.ADI_NEC):

Field

Type/
Unit

Default

Description

trunkdirection

mask

0

Direction of the line.

0 - Two way

1 - Inbound only

2 - Outbound only

playcleardown

mask

1

Whether or not to play cleardown tone when disconnecting.

0 - No

1 - Yes

networkside

mask

0

0 - Run as TE side.

1 - Run as NT side. Run as NT side for testing purposes only.

nowaitfordialtone

mask

0

0 - Wait for dial tone before dialing digits

1 - Do not wait for dial tone before dialing digits

abortnodialtone

mask

1

0 - Proceed with dialing even if no dial tone is detected

1 - Abort the outbound call if dial tone is not detected

TmMinRingOn

ms

600

Minimum on time for the out-of-band signaling bit to have a valid ring signal.

TmMaxRingOn

ms

1400

Maximum on time for the out-of-band signaling bit to have a valid ring signal.

TmMaxRingOff

ms

2800

Maximum off time for the out-of-band signaling bit to have a valid ring signal.

TmRingOn

ms

1000

Ring on time used by network simulation.

TmRingOff

ms

2000

Ring off time used by network simulation.

MaxRings

count

5

Maximum number of ring cycles played before the network side times out with no answer as the disconnect cause.

TmBitQualification

ms

20

Minimum time required for a bit transition to be recognized. This time applies to states other than the connected state.

NmRingsSeizure

count

1

Number of ring cycles to wait before reporting an NCCEVN_INCOMING_CALL.

debug

mask

0

Debug mask. Reserved for internal use.

TmWaitForRelease

ms

10000

Time waiting for the remote end to acknowledge a disconnect. If this timer expires, an NCCEVN_CALL_DISCONNECTED event is generated and the protocol enters a fault state, sending an out-of-service event to the application.

BusyFreqLo

Hz

425

Busy tone low frequency. Used as the cleardown tone.

BusyFreqHi

Hz

0

Busy tone high frequency. Used as the cleardown tone.

TmBusyOn

ms

500

Tone on time for the busy tone.

TmBusyOff

ms

500

Tone off time for the busy tone.

AmpCPTones

IDU

350

Amplitude of all call progress tones.

bmCDBit

mask

1

Bit mask that specifies the value of the C and D bits (default is 1).

TmWaitAnswer

ms

10000

Time to wait for the remote end to answer. Used by the network side.

xferstring

string[6]

!;

Initial string to dial (excluding the number to transfer to) in performing a transfer operation. Meaning:

; (semicolon) - Wait for precise dial tone

. (period) - Insert long pause in dialing

, (comma) - Insert short pause in dialing

! (exclamation point) - Flash hook

P - Switch to pulse dialing

T - Switch to DTMF dialing

M - Switch to MF dialing

connstring

string[6]

!

String to dial to reconnect after a transfer has failed. Meaning:

; (semicolon) - Wait for precise dial tone

. (period) - Insert long pause in dialing

, (comma) - Insert short pause in dialing

! (exclamation point) - Flash hook

P - Switch to pulse dialing

T - Switch to DTMF dialing

M - Switch to MF dialing

TmQDisconnect

ms

1500

Minimum time required for a bit transition to be recognized while in the connected state.

TmPredial

ms

200

Pre-dial delay for dialing digits in a transfer command.

TmPreDigitDelay

ms

1000

Pre-dial delay for dialing digits in normal calling.

Tm1stDigit

ms

10000

Time to wait for the first DTMF digit on an inbound call. Network side only.

TmDigitOn

ms

1000

Inbound digit stuck on timer. Network side only.

TmInterDigit

ms

1000

Inbound inter-digit timeout. Network side only.

NmDigits

count

4

Number of digits to expect in called party number. Network side only.

TmWaitDialTone

ms

3000

Time to wait for dial tone before proceeding with outbound call.

TmDTMF_ON

ms

80

DTMF on time (for playing DTMF tones).

TmDTMF_OFF

ms

80

DTMF off time (inter-digit time used in playing DTMF strings).

FrRingLo

Hz

425

Low frequency of audible ring tone. Network side only.

FrRingHi

Hz

0

High frequency of audible ring tone. Network side only.

TmARingOn

ms

1000

On time of audible ring. Network side only.

TmARingOFF

ms

2000

Off time of audible ring. Network side only.

resourcegettimes

ms

0xa0f

Reserved for internal use.