Disconnect Event

The Disconnect event is fired when a call ends, for any reason. The cause for a disconnect event on a call can be:

  • hangup: one party hung up the call, a <Hangup> verb was executed, or there was no more BXML to execute; it indicates that the call ended normally.
  • busy: the callee was busy.
  • timeout: the call wasn't answered before the callTimeout was reached.
  • cancel: the call was cancelled by its originator while it was ringing.
  • rejected: the call was rejected by the callee.
  • callback-error: a BXML callback couldn't be delivered to your callback server.
  • invalid-bxml: invalid BXML was returned in response to a callback.
  • application-error: an unsupported action was tried on the call, e.g. trying to play a .ogg audio.
  • account-limit: the account rate limits were reached.
  • node-capacity-exceeded: the system maximum capacity was reached.
  • error: some error not described in any of the other causes happened on the call.
  • unknown: some unknown error happened on the call.

Note: this list is not exhaustive and other values can appear in the future.

Expected response

HTTP/1.1 204


Property Description
eventType The event type, value is disconnect.
eventTime The approximate UTC date and time when the event was generated by the Bandwidth server, in ISO 8601 format. This may not be exactly the time of event execution.
accountId The user account associated with the call.
applicationId The id of the application associated with the call.
to The phone number that received the call, in E.164 format (e.g. +15555555555).
from The provided identifier string of the caller used in the from field of the original call.
direction The direction of the call. Either inbound or outbound. The direction of a call never changes.
callId The call id associated with the event.
callUrl The URL of the call associated with the event.
startTime Time the call was started, in ISO 8601 format.
answerTime (optional) Time the call was answered, in ISO 8601 format.
endTime Time the call ended, in ISO 8601 format.
cause Reason the call ended. See above for possible values.
errorMessage (optional) Text explaining the reason that caused the call to be ended in case of errors.
errorId (optional) Bandwidth internal id that references the error event.
tag (optional) The tag specified on call creation. If no tag was specified or it was previously cleared, this field will not be present.

Example: Call ended due to a busy signal

POST http://[External server URL]
    "eventType"     : "disconnect",
    "eventTime"     : "2019-06-20T15:55:55.533Z",
    "accountId"     : "55555555",
    "applicationId" : "7fc9698a-b04a-468b-9e8f-91238c0d0086",
    "from"          : "+15551112222",
    "to"            : "+15553334444",
    "direction"     : "outbound",
    "callId"        : "c-95ac8d6e-1a31c52e-b38f-4198-93c1-51633ec68f8d",
    "callUrl"       : "https://voice.bandwidth.com/api/v2/accounts/55555555/calls/c-95ac8d6e-1a31c52e-b38f-4198-93c1-51633ec68f8d",
    "startTime"     : "2019-06-20T15:54:22.234Z",
    "endTime"       : "2019-06-20T15:55:54.123Z",
    "cause"         : "busy",
    "errorMessage"  : "Callee is busy",
    "errorId"       : "4642074b-7b58-478b-96e4-3a60955c6765"

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