<sub> tags suggest substitute text to the TTS engine. This tag is only available with the Cepstral Theta TTS engine.
| alias | Substitutes the enclosed text with the value of the attribute. |
None
<?xml version="1.0" encoding="latin-1"?>
<vxml version="2.0">
<form>
<block>
<prompt>
This dialog is being processed by the
<sub alias="Plum Voice Platform">
plumvp
</sub>
</prompt>
</block>
</form>
</vxml>The output of the above script would be:
Computer: This dialog is being processed by the Plum Voice Platform.
None
<audio>, <emphasis>, <enumerate>, <foreach>, <p>, <paragraph>, <prompt>, <prosody>, <s>, <sentence>, <speak>, <voice>