<Reject> 動詞は、ユーザーの Twilio 番号への着信通話を拒否します。料金は課金されません。受けたくない通話をブロックする時に使えます。
If the first verb in a TwiML document is
<Reject>, Twilio will not pick up the call. The call ends with a status of
no-answer, depending on the verb’s
reason attribute. Any verbs after
<Reject> are unreachable and ignored.
<Reject> as the first verb in your response is the only way to prevent Twilio from answering a call. Any other response will result in an answered call and your account will be billed.
If you are using Twilio's deprecated v2008 API,
<Reject> will result in a billing event, because the call's state will transition from
completed to reject the call. Using
<Reject> with the v2010 API, as described in this document, will not result in a billing event. Learn how to upgrade from Twilio's v2008 API to the v2010 API here.
reason attribute takes the values
busy. This tells Twilio what message to play when rejecting a call. Selecting
busy will play a busy signal to the caller, while selecting
rejected will play a standard not-in-service response. The default is
This is a preference and what is actually played back is determined by the caller’s service provider as they dictate what they want to playback to the caller.