OptionalEventOptional event-webhook URL for lifecycle events. Maps to Vonage's event_url.
Originating caller-id / DID. Maps to Vonage's from: { type: 'phone', number }.
OptionalMachineAnswering-machine detection behaviour. 'hangup' ends the call when a machine answers; 'continue'
keeps it up and only reports the machine event. Maps to Vonage's machine_detection. Omit to disable.
The NCCO executed when the call connects (our connect websocket action). Maps to ncco.
Destination number (E.164). Maps to Vonage's to: [{ type: 'phone', number }].
The REST payload IVonageVoiceLike.CreateCall accepts (the subset we use).