• OTO Global International Calls




    OTO Global is your ultimate app for communication with friends and family! Highest quality international calls at the lowest rates, unlimited free calls to OTO users, purchasing real phone numbers with OTO Number service and multimedia messenger are just some of many features you can enjoy...

  • OTO Free International Call




    ★ With OTO Free International Call, enjoy international calls freely, easily with no worries! ■ OTO Free International Call is available in Korea & Japan ONLY ■ Free calls to 94 countries from Korea & Japan. ■ 4 Million users are already enjoying OTO! ■ No.1 in customer satisfaction with...

  • PlayOTO-SNS




    PlayOTO connects you to your friends all over the world with the most advanced multi-messaging and social networking service…freely. Come on! Let’s PlayOTO! • Keep up with your friends 24x7. • Text, chat and have group conversations in a variety of ways. • Call other PlayOTO...

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