August 8, 2016
  • Viber Media Ltd.

Viber Launches Free Trial of Viber Out for
Calls to Mobile and Landline Phones in Japan

Offering Viber users the chance to experience Viber Out’s high-quality calls


TOKYO – August 8, 2016 – Viber Media Ltd., part of the Rakuten Group and provider of the Viber mobile messaging application, today announced the launch of a free trial of its Viber Out1 calling service in Japan2.

This free trial allows all Viber users in Japan to make free calls from their Viber application to any mobile and landline phone number in Japan3, in addition to the free calls that are offered between Viber users.

Any Viber user in Japan with a Japanese phone number is applicable for this free trial. Each call is limited to a maximum of 10 minutes. Users can call as many times as they want and there are no restrictions on the number of calls per day.

Viber is carrying out the free trial to reduce user calling costs and to give users in Japan the chance to try Viber Out's high quality calling experience.

1 Viber Out is a service that allows Viber users to call mobile phones and landline at low rates. Viber Out rates differ depending on the destination country of the call.

2 International calls are not part of this free trial.

3 Calls cannot be made to certain phone numbers, including the emergency services, such as 110 or 119.  Calls will incur data transfer costs. Some calls may display the caller ID depending on the call recipient’s phone network.


About this trial

・What is it?

Viber users in Japan can make free calls to mobile phones and landlines in Japan using Viber Out.

・For how long?

The trial starts on August 8. The end date of the trial is not yet fixed.
*Users will be notified of the end date of the trial in the Viber app and an announcement will be made on the Viber website.

・Who is it for?

All users in Japan with a Japanese phone number (+81) who have downloaded and installed Viber application.

・Trial Website:

・Official Viber Website:


About Viber

Part of the Rakuten family, Viber freely connects users around the world with the people that matter to them most. With more than 784 million unique users on the platform, Viber allows people to connect in the way that works best for them, whether that’s through individual messaging, video calls, group chats, or following brands and celebrities on Public Chats. Viber can be used on iPhone®, iPad®, Android™ phones and tablets, Windows Phone, Windows®, Windows 8®, Mac, Linux and Symbian devices over mobile or WiFi connections.


*Please note that the information contained in press releases is current as of the date of release.

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