**** Please take note ****The app works automatically when you call overseas from Singapore using a SingTel SIM card. Launching the app from the app menu will not trigger the functionality.**** Please take note ****Calling overseas can be convenient with SingTel v019 app, it helps append v019 prefix to phonebook contacts within seconds. Enjoy making international calls all day long at attractive low rates. Stay connected to your business associates or loved ones, over 240 destinations with just one easy touch