Duo Voice Status

Multiple ways to earn app credits to make phone calls. (watch videos, complete tasks, invite friends and more. (3) Duo Voice uses an internet call (aka WiFi call, IP call, or VoIP call).  Duo Voice is a FREE calling app that offers international calling and quality of phone call locally and abroad.  Call your friends while you are under WiFi, 3G, 4G or 5G. (4) Server worldwide to ensure the best voice quality. (5) Unlike international calling cards, Duo Voice does not use your cell minutes.  Duo Voice uses real telephone lines, which means we can guarantee a good crystal clear voice call quality, such as telephone calls from a landline!  Call for free and get in touch with people around the world! (1) 100% FREE international phone call for more than 230+ countries or regions. (2) New user bonus +500 credits.  Duo Voice is a 100% Completely international phone call app with no extra charge at all!  Use this Wifi calling app and enjoy free calls worldwide with any real phone number without worrying about expensive bills!  Voice calls are sent to high quality Duo Voice's dedicated VOIP network so that you do not need to worry about bad reception, volatile calls or drops.  Our system always finds the best telephone line (the best voice quality) in your neighboring region when you make the call.  Duo Voice automatically detects and adjusts your connection speed to make sure more stable calls.  Duo Voice can reach any mobile or landline number in more than 230+ countries or regions!  To enjoy the best service calling, you simply just need a tap to earn FREE credits.  There are millions of ways to earn credits in our app, for example: daily check-in, friend invitations, watching ads, etc.  New user LIMITED offers: Get 500 credits after registration!  Duo Voice - Connecting you to your international friends and family anywhere. Enjoy FREE Wi-Fi calls!