SENTRY Call Blocking

Does SENTRY support international calling? Does SENTRY work when call forwarding is active? What are the requirements to ensure my calls can be authenticated using SENTRY Call Blocking? What is First Orion's Call Authentication? What happens if a phone number fails vetting for SENTRY Call Blocking? What is Carrier Documentation vetting?

How do I integrate with SENTRY Call Blocking? How can I start using SENTRY Call Blocking?

Should my count of Authentication Requests match my total calls? Why are the calls treated in my SENTRY program not showing up under my INFORM reporting? If I use both SENTRY and INFORM, which reporting tab should I use? Why is the number of Authentication Requests important? What insights are provided by SENTRY reporting? What should I do if I receive an API Error?

Why is my block rate unusually high? Why are my legitimate calls being blocked? How do I verify that SENTRY is working correctly? Why is my block rate unusually high?