Optionalapplication_Optionalcall_Webhook URL for the call.
Optionalcall_Status callback URL.
Caller ID.
Destination number or SIP URI.
OptionalanswerRing until outbound call answers before sending 200 OK.
OptionaltrunkSIP trunk to use.
OptionalfromHostname for SIP From header.
OptionalheadersCustom SIP headers.
OptionaltagTag metadata.
OptionaltimeoutSeconds to wait for answer (default: 60).
OptionaltimeMaximum call duration in seconds.
OptionalsipWebhook for SIP requests within the dialog.
Optionalspeech_TTS vendor (required when not using application_sid).
Optionalspeech_TTS language.
Optionalspeech_TTS voice.
Optionalspeech_STT vendor (required when not using application_sid).
Optionalspeech_STT language.
OptionalamdAnswering machine detection settings.
Application SID to handle the call.