What's New

Fixed other bugs

App Description

Enjoy talking with your friends all over the world! OTO will be with you.

OTO Global was developed by OpenVacs, the developer of OTO Free International Call, which allows calls to 84 countries at no charge and to all other countries at low rates. Currently, the free international call is only available from korea to aboard, and from the other country user can make a call at the lowest cost

■ Over 3 million users !
We would like to thank all our customers for using OTO Free International Call. With your support we are now #1 in the free international phone market and are able to bring you the best quality service available.

■ Currently, It is only possible to use free call service by the standard of korean carrier.
All the countries that were offered in OTO Free International Call are still free in OTO Global. As a reminder, the definition of ‘free international call’ means there will be no charges for the international portion of the call. First, When you make a call, the free voice balance will be used if you have free voice plan. And if you use up your free voice balance then the local fee of your voice plan will be charged by your mobile network operator.

■ Call anywhere in the world!
- OTO Global International Phone has the lowest rates, even lower than Skype.
- The lowest price and the best voice quality.

Comparison chart (United states to Korea)
Skype = 2.2 ¢/min
OTO = 2.1 ¢/min
Comparison chart (United states to Mexico)
Skype = 9.8 ¢/min
OTO = 5.27 ¢/min
Comparison chart (United states to China)
Skype = 2.2 ¢/min
OTO = 2.02 ¢/min

Lowest rates in the World!

■ Why is registration required?
OTO is available to 84 free countries without registration. For paid customers we highly recommend registration for the security of your account in the case of lost or stolen cellphone. We appreciate your cooperation in registering with us and we recommend it for your own security.

■ How to use
1) Select the country you would like to call.
2) Input the phone number without the country code.
3) Press ‘call’ button.

-Please arrange the number you wish to call as follows;
international access code, country code, and phone number.
-Example: To call United States ? 001 (international access code) + 1 (country code) + 2127681560 (recipients phone number)
-International access codes (e.g., 001, 002, 00700, 00365, etc) are identification codes to connect from Korea to the United States, these numbers are not required, so do not enter these numbers.
-Country code: Country code is a special code used to identify different countries. Select a code from the ‘select country’ button; this will automatically insert the country code for you.
-Recipient’s phone number: All numbers are required except the country code. Check the numbers and enter correctly without the country code.
(You can verify each country’s international calling rate after selecting the country. If the rate is written as ‘free’, it means the international calling rate is free and calls can be made without points. If a rate is written, then calls can be made within the purchased points if available. If sufficient points are not available then please recharge your points)

Lastly, on behalf of all of the staff at OTO Global International Call, we sincerely love our customers.

App Screen Shots

(click to enlarge)

App Changes

July 11, 2014 New version 2.2.7
March 12, 2014 New version 2.2.5
February 24, 2014 New version 2.2.4
February 18, 2014 New version 2.2.3
January 29, 2014 New version 2.2.2
November 22, 2013 New version 2.1.8
February 17, 2013 Initial Release

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