PPL Information

 

The IP Network Interface Series 2 card Protocol Programmable Language (PPL) information from an external host perspective, is identical to the VDAC-ONE PPL. (Refer to VDAC VoIP - 0x009C). The only difference is the L3 PPL Component on IP Network Interface Series 2 card has a new ID. The L3 PPL Component ID is 159 (0x9F). While technically, host downloadable protocols are possible, they are currently not supported.

PPL State Machines

 

PPL Component Name and ID

PPLcompVOCC_VOIP (0x9F)

DSD File Name

voip.dsd, boot.dsd

EXL File Name

voip.exl

 

PPL Events

Event ID

Event Description

0x01

Timer 1

0x02

Timer 2

0x03

Timer 3

0x04

Timer 4

0x0A

Layer 4/L3P Outseize Control

0x0B

Layer 4/L3P Clear Request

0x14

DSP Resource Available

0x15

DSP Resource Unavailable

0x16

DSP Resource Released

0x17

DSP Resource Inconsistency

0x19

RTP Port In Use

0x1A

Invalid Attributes

0x1B

Null Source in NPDI ICB

0x1E

Fax Start

0x1F

Fax End

0x23

Modem Start (not supported)

0x24

Modem End (not supported)

0x25

RTP Timer Expired

0x26

Modify Connection Attributes

0x27

Modify Connection Attributes Response

0x28

Media Inactivity Detection Timer Expired

0x403

Dummy Event

0x404

Channel In Service

0x405

Channel Out of Service

 

PPL Timers

Timer Name and Hex ID

Default Value

DSP Response Wait Timer (0x01)

12000 ms

Guard Wait Timer (0x02)

700 ms

Layer 4/L3P Clear Wait Timer (0x03)

4000 ms

Fax End Wait Timer (0x04)

5000 ms

Modem End Wait Timer (0x05)
(not supported)

5000 ms

Fax Start Validation Timer (0x06)

100 ms

Modem Start Validation Timer (0x07)
(not supported)

100 ms

Purge Reasons

Reason

Description

201

DSP Resource Wait Timeout

202

DSP Resource Release Wait Timeout

203

Layer 4/L3P Clear Wait Timeout

204

DSP Resource Inconsistency

205

DSP Resource Inconsistency

206

Internal PPL Error

207

Internal PPL Error

PPL Event Indications

Event ID

Event Description

0x01

Received Fax Start Event

0x02

Received Fax End Event

0x05

Received Modem Start Event
(not supported)

0x06

Received Modem End Event
(not supported)

0x07

Received Initial Media Inactivity Expired Event

0x08

Received Media Inactivity Timer Expired Event

0x0A

Incoming Registration Request

0x0B

Registration Timer Expired

0x0C

Incoming Deregistration Request

0x0D

Registration Query Response