BXML Callbacks

Understanding BXML Callback Events

The events sent are the events from Bandwidth Application Platform, with only two exceptions:

  • transferComplete: sent to the original BXML call when the transferred call hangs up
  • redirect: sent when the verb redirect is in action

BXML callbacks perform HTTP GET requests to the requestUrl when the notification intends to retrieve a new BXML document.

BXML events are HTTP messages that are sent to your application server to notify you of activity related to your Bandwidth resources during a BXML usage.

Event Description
Answer Event Bandwidth API sends this message to the application when the call is answered.
Gather event Bandwidth API generates a gather event when the gather command completes in a call.
Hangup Event Bandwidth API sends this message to the application when the call ends.
Recording event Bandwidth API sends this event to the application when an the recording media file is saved or an error occurs while saving it.
Transcription event Bandwidth API sends this event to the application when the recording media file is transcribed if requested.
Redirect event Bandwidth API sends this event to the application when a <Redirect> is requested
Transfer Complete Event Bandwidth API sends this event to the application when the <Transfer>is complete

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