Call Control API Allow us to Take Actions on Call based on the "action" param. we support the following actions: schedule_at - Schdule a Call to Selected Time reject_schedule - Reject the Call Schedule reschedule - ReScdule Call dial - Dial The Call immidatly mute - Mute Call unmute - UnMute Call hold - Place a Call On Hold, Customer will Hear Music on Hold Tone unhold - Restore Call From Hold