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Say as cannot find interpret-as in config

I have a problem with the sayas vxml, he connot find interpret as, knowing that it is normally default in vxml can someone help me

<prompt>
<say-as interpret-as="number">123</say-as>
</prompt>
Solution

  • The SSML specification does not provide a list of values for the "interpret-as" attribute; it is instead left up to the implementation. You may need to consult the documentation for your SSML processor.

    On the other hand, the VoiceXML 2.0 specification does mandate a few builtin types for grammars and the "say-as" element. Note that since "say-as" is actually SSML, you normally must prefix the builtin types with the "vxml:" namespace. You'll need to consult the documentation for your VoiceXML browser to determine whether this is the case. The VoiceXML builtins are:

    • vxml:boolean
    • vxml:date
    • vxml:digits
    • vxml:currency
    • vxml:number <-- This is the droid you are looking for.
    • vxml:phone
    • vxml:time

    More info here: http://www.w3.org/TR/voicexml20/#dmlABuiltins