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  • Plum DEV Documentation
  • Overview
  • Developer Reference
    • Tutorial
    • How to...
      • Use Plum's Transcription API
    • Audio Formats and Prompts
    • Grammars and Speech Recognition
    • Available ASR Engines
    • TTS Engine Characteristics
      • Amazon Polly TTS Engine
        • Polly Voice Tag Attribute Details
      • AT&T Natural Voices
      • Cepstral Engine
      • RealSpeak Engine
      • Vocalizer 7
        • Vocalizer 7: <voice> tag and SSML Support
    • Data Exchange
    • Logging
    • Caching
    • Root Documents
  • VoiceXML
    • Tags
      • <assign>
      • <audio>
      • <block>
      • <break>
      • <catch>
      • <choice>
      • <clear>
      • <data>
      • <desc>
      • <disconnect>
      • <else>
      • <elseif>
      • <emphasis>
      • <enumerate>
      • <error>
      • <example>
      • <exit>
      • <field>
      • <filled>
      • <foreach>
      • <form>
      • <goto>
      • <grammar>
      • <help>
      • <if>
      • <initial>
      • <item>
      • <lexicon>
      • <link>
      • <log>
      • <mark>
      • <menu>
      • <meta>
      • <metadata>
      • <noinput>
      • <nomatch>
      • <one-of>
      • <option>
      • <paragraph>
      • <param>
      • <phoneme>
      • <prompt>
      • <property>
      • <prosody>
      • <record>
      • <reprompt>
      • <return>
      • <rule>
      • <ruleref>
      • <say-as>
      • <script>
      • <sentence>
      • <speak>
      • <sub>
      • <subdialog>
      • <submit>
      • <tag>
      • <throw>
      • <token>
      • <transfer>
      • <value>
      • <var>
      • <voice>
      • <vxml>
    • Properties
      • audiofetchhint
      • audiomaxage
      • audiomaxstale
      • bargein
      • bargeintype
      • certverifypeer
      • completetimeout
      • confidencelevel
      • datafetchhint
      • datamaxage
      • datamaxstale
      • documentfetchhint
      • documentmaxage
      • documentmaxstale
      • fetchaudio
      • fetchaudiodelay
      • fetchaudiominimum
      • fetchtimeout
      • grammarfetchhint
      • grammarmaxage
      • grammarmaxstale
      • incompletetimeout
      • inputmodes
      • interdigittimeout
      • logging
      • maxnbest
      • maxspeechtimeout
      • normalizeaudio
      • recordcall
      • recordcallappend
      • recordutterance
      • recordutterancetype
      • scriptfetchhint
      • scriptmaxage
      • scriptmaxstale
      • sensitivity
      • speedvsaccuracy
      • termchar
      • termmaxdigits
      • termtimeout
      • timeout
      • universals
      • voicegender
      • voicename
    • Application and Session Variables
      • application.lastresult$[i].confidence
      • application.lastresult$[i].inputmode
      • application.lastresult$[i].interpretation
      • application.lastresult$[i].recording
      • application.lastresult$[i].recordingduration
      • application.lastresult$[i].recordingsize
      • application.lastresult$[i].utterance
      • session.callrecording
      • session.id
      • session.telephone.ani
      • session.telephone.dnis
    • VoiceXML Resources
  • Plum DEV Guide
    • Using the Plum DEV site
    • Using the File Repository
    • Outbound Calling Guide
      • Using the Outbound Tools in the DEV web UI
      • DEV Outbound Programming Notes
      • Outbound FAQs and Tips
    • Call Reporting
    • Analytics
    • VoiceTrends
    • Debugging
    • Scratchpads
    • Saved URLs
    • Voice Biometrics
    • Call Routing
    • Data Security
      • 'Private' Tags
      • Managing Secure Phone Numbers
      • Sensitive Data Types
    • SMS Guide
      • Standard Short Codes
      • SMS Debugging/Error Logs
      • Additional SMS Info
    • Single Sign On
  • Plum DEV APIs
    • DEV Outbound APIs
      • Contacts CSV Formatting
      • Outbound API Parameter Notes
      • Legacy and Miscellaneous Notes
    • SMS API
    • Call Logs API
    • Call Scheduling and Pacing API
    • Transcription API
    • Application API
    • Blocklist API
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Overview

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Last updated 4 years ago

Plum DEV Overview

The Plum DEV Reference Manual provides complete information on the VoiceXML 2.0/2.1 tags, attributes, and features supported by Plum DEV. It is the desk-side resource for Plum DEV developers. Below is a list of the different sections our Manual provides, as well as a brief explanation.

: This is a great starting point for first time users of VoiceXML and is highly encouraged.

: Audio formats for the <audio> tag as well as on prompt queuing and barge-in behavior.

: JSGF and SRGS+XML grammars and how speech recognition works.

: The different TTS behaviors for AT&T Natural Voices, Cepstral Engine, Nuance RealSpeak Engine, and Amazon Polly.

: Data exchange using the <submit>, <subdialog>, and <data> tags.

: How to understand call logs and session logs.

: How caching works for the DEV platform and typical caching behavior.

: How to use a root document to pass information from one VoiceXML page to another VoiceXML page.

The Plum DEV Reference Manual also references the tags and properties that are used in VoiceXML. You can view descriptions and examples of how the various tags and properties are used. There are also links to other resources such as the VoiceXML specification and specifications for using the syntax of JSGF and SRGS grammars.

The Plum DEV Guide also documents how to use our Outbound API. The Outbound API can be used to place outbound calls for your applications. The Plum DEV Guide also details how to create a call report and provides a debugging guide for developers with tips on how to validate their scripts and how to find and debug errors.

Tutorial
Audio Formats and Prompts
Grammars and Speech Recognition
TTS Engine Characteristics
Data Exchange
Logging
Caching
Root Document