Viber Out is the VoIP service through which you can call to any phone number or national or international level at affordable rates. You have to subscribe to get the offer. Viber out is offering a free trial service only in Japan but the free trial opportunity is not available for other countries. You have to purchase the credit online to avail the service. It is the best service to communicate with quality calls at cheap rates.
Open Viber App like this
Click on "Menu" Option present on bottom right corner on main viber page
Now check out "Viber Out" option
It's not offer free trial option, you have to subscribe according to your desired Country.
Now scroll down.
If you have a Coupon then you can avail free services through Coupon.
Enter Coupon details like this
Now click on "World Credits" on top of page.
You can see subscription plans for different countries.
But still there is no Free Trial offer for Viber Out Service.
Thank you
