VoiceXML 2.1 Development Guide

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Table Of Contents

Platform Overview

Creating an Application

Voxeo File Manager

Caching Techniques

Cache Manager API

Security Information

VoiceXML 2.1 Tutorials

Voice Recognition

Document Navigation

Using Audio Files

Caller ID-Called ID

DTMF Recognition

JavaScript and VXML

GSL Grammar Weighting

Shadow Variables

Outbound VoiceXML Applications via HTTP

Mixed Initiative Dialogs

Foreach and Data

Using the Mark Element
Intro to Server Side
Passing Querystring Variables using ASP/JSP/PHP/CF

Dynamic Grammars

Screen Scraping
Final Notes

Appendix A: Best practices

Persistent Logging
vuidesign
Platform Limitations

Appendix B: Debugging Techniques

General Debugging Techniques
The Motorola Meta Element
The Voxeo Real Time Debugger
Prophecy Debugger Key
Getting Support Help

Appendix C: Exceptions & Errors

General Exceptions and Error Types
w3c Standard Error Types
Shorthand Exceptions
Disconnect Events
Transfer Events & Exceptions

Appendix D: VoiceXML 2.1 Porting Guide

Document Type Definitions
Menu Modifications
Fetchhint Settings
Universal Grammar Modifications
Subdialog Modifications
Prophecy VXML Porting Guide

Appendix E: VoiceXML Variables

Variable Syntax
Variable Scoping
Session and Application Variables

Appendix F: All Things Audio

Audio Formats and backup TTS
The Voxeo Audio Library
Audio Tools and Tweaks
Recording Audio

Appendix G: Outbound Dialing

Outbound Transfer Basics
Disconnect Events
Transfer Exceptions
Transfer sample Code
Blind Transfers
Token Initiated Calls
Answering Machine Detection
CallerID and CalledID
Post-Dialing
Transfer Shadow Variables
Transfer Hotwording

Appendix H: Property Guide

W3C Properties
Nuance ASR Property settings
Advanced Nuance ASR Property settings

Appendix I: GSL Grammars

GSL Basics
GSL Hints
Universal Grammars
GSL Grammar Slots
DTMF Grammars in the GSL Format
GSL Built-in Grammars
Multislot GSL Grammars
Grammar Weighting & Probability
External GSL Subgrammars
Inline GSL Subgrammars
Downloadable GSL Subgrammar Library
GSL Multislot Subgrammars

Appendix J: grXML Grammars

SRGS-SISR: Grammar Basics
SRGS:SISR Grammar Tips & Tricks
SRGS-SISR: DTMF grammars
SRGS-SISR: Built-in Grammars
SRGS-SISR: Grammar Slots
SRGS-SISR: Multislot Grammars
SRGS-SISR: Subgrammars
SRGS-SISR: Inline Subgrammars

Appendix K: Custom Features

Appendix L: External References

Appendix M: Text-To-Speech Guide

Prophecy TTS Guide: SSML
Rhetorical TTS Guide: SSML
Speechify TTS Guide: SSML

Appendix N: VOIP Dialing

Designer User Interface

Elements

Element Summary

assign	audio	block	break	catch	choice
clear	data	disconnect	else	elseif	emphasis
enumerate	error	example	exit	field	filled
foreach	form	goto	grammar	help	if
initial	item	link	log	mark	media
menu	meta	noinput	nomatch	one-of	option
paragraph	param	phoneme	prompt	property	prosody
record	reprompt	return	rule	ruleref	say-as
script	sentence	sub	subdialog	submit	tag
throw	token	transfer	value	var	voxeo:logcontrol
voxeo:recordcall	vxml

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