account_sidstring uuid required
application_sidstring uuid
call_sidstring uuid required
call_status'trying' | 'ringing' | 'alerting' | 'in-progress' | 'completed' | 'busy' | 'no-answer' | 'failed' | 'queued' required
direction'inbound' | 'outbound' required
originating_sip_trunk_namestring
parent_call_sidstring uuid
service_urlstring required
sip_statusinteger required