Feature

Description

termtimeout property in DTMF grammars

Not supported.

<record> tag

Speech recognition is not supported . For modal attribute, use model="true" only.

<voice> tag

Not supported. To change gender, set the promptgender property in the defaults.xml file or in the VoiceXML document to either male or female to use the appropriate TTS voice.

xml:lang attribute

Not supported for either the paragraph or sentence elements. To set the language used for TTS, set the xml:lang attribute in either the <vxml> tag or the <prompt> tag.

Note that setting the xml:lang property (for example, <property name='xml:lang' ...) should be done only in the /vs/data/vxml/defaults.xml file for a system-wide default. Use the <vxml> tag or the <prompt> tag to change the language, either by document or within a document.

<transfer> tag

Only DTMF grammars are supported inside the <transfer> tag.

Also the transferaudio attribute and the maxtime_disconnect return value are not supported.

maxspeechtimeout event

Not supported.

maxnbest property

Supported for advanced speech recognition (ASR) grammars only. Not supported for word pair ASR grammars. An example of word pair ASR grammars is: <grammar> one | two | three </grammar>

confidencelevel property

Supported for advanced speech recognition (ASR) grammars only. Not supported for word pair ASR grammars. An example of word pair ASR grammars is: <grammar> one | two | three </grammar>

bargeintype attribute for any tag

Not supported except for the speech value.

error.unsupported.language event

Not supported.

bargeintype property

Not supported.

fetchaudiodelay property

Not supported.

maxspeechtimeout property

Not supported.

universals property

Not supported.

maxstale property

Not supported. The documentmaxstale and audiomaxstale properties are supported.

maxage property

Not supported. The documentmaxage and audiomaxage properties are supported.

Using <meta http-equiv=.../> to control caching

Not supported.

<menu> and <option> tags

For accept attribute, use accept="exact" only.

session.connection.aai variable

Use session.telephone.uui instead.

session.connection.redirect variable

Not supported.

session.connection.originator variable

Not supported.

<audio> tag

Undefined expressions are not ignored.