- bug fix
We'll do our best always to be attentive to your opinion.
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 with OTO Global app.
1) OTO international calls / SMS
Over 5 million people are already using OTO to make the crystal clear quality international calls at the lowest rates.
2) Free calls to OTO users
Enjoy completely free high quality unlimited calls to OTO users anywhere in the world using your WiFi or data connection.
3) OTO Number
Get your own OTO number to make and receive calls without showing your real number. You can set up to 5 numbers to manage your personal and business life the way you want.
4) OTO Messenger
OTO messenger lets you send text, voice, photo and video messages, share your location and much more. Enjoy communicating with your friends and family with OTO messenger.
Do not hesitate to contact us with any inquiries or suggestions. We are always happy to hear from you.
Message Board -> More > Question and Answer
Customer Service Center: +82 2 1600 0546
- June 06, 2014 Initial release
- July 19, 2014 New version 2.2.7
- August 01, 2014 New version 2.2.8
- August 17, 2014 New version 2.2.9
- September 15, 2014 New version 2.3.0
- October 07, 2014 New version 2.3.1
- October 23, 2014 New version 2.3.2
- January 15, 2015 New version 3.0.0
- January 29, 2015 New version 3.0.1
- February 12, 2015 New version 3.0.2
- February 26, 2015 New version 3.0.3
- March 19, 2015 New version 3.1.0
- May 08, 2015 New version 3.1.1
- May 22, 2015 New version 3.1.2
- July 18, 2015 New version 3.2.0
- August 29, 2015 New version 3.2.1