Initiate an outbound call and play text-to-speech audio to the recipient
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Tenant ID to place the call for
x > 0Destination phone number (10-digit US format)
^[1-9]\d{9}$Caller ID phone number (must belong to tenant)
^[1-9]\d{9}$Text to convert to speech and play on the call
3Optional webhook URL for call status updates