Can I use this app to make domestic or international calls? March 05, 2019 00:10 Updated Yes! You can use this app anywhere, as long as your phone has a data connection (Wi-Fi or cellular). Related articles Which countries can I call? Can I make calls to both mobile phones and landlines? Can I make calls over Wi-Fi without a cellular connection? How do I designate a beneficiary to my policy? Why do I need a Webcam? Comments 0 comments Please sign in to leave a comment.