We check this website, now callapp-choice.net is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is callapp-choice Down Right Now? - NO! callapp-choice is up!
If you have problem with access to site callapp-choice, and domain callapp-choice.net is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).