TalkTT is an app which lets you make/receive phone calls and send/receive SMS directly from your iPhone or iPad. You also can buy phone numbers from 80+ countries receive calls or sms.or phone plans from 30+ countries to make calls or send SMS via the best calling or sms routes in the world. FEATURES - Make phone calls or send text messages on your iPhone/iPad to any international destination - Buy DID phone numbers from 80+ countries or regions to make/receive calls or send.receive text messa