fetch_hint

Specifies when the Vocalizer may retrieve content from the server.

Value

  • prefetch: may fetch all items that will be requested in a VoiceXML document when that document is opened.
  • safe: fetch an item only when requested.

DEFAULT: prefetch

How to set

Shown in precedence order (see Rules of parameter precedence):

Set in a VoiceXML application, using the fetchhint attribute of an <audio> element.

In Management Station, set on the Vocalizer service. If not using Management Station, set in the Vocalizer configuration file (User-nvsxx.xml).

Set in the voice browser, using the Fetch-Hint header in a SPEAK or SET-PARAMS method.

Usage

Frequently used.