Make phone calls using the VoIP technology.
Check the service out
Fone@RNP is a service that allows you to make free and simple phone calls to other universities and research institutions.
Where can I use the fone@RNP?
If your education and research institution has already subscribed to the service in question, you already use it without even knowing, because its implementation is transparent and available at the institution's extensions.
How to access?
Contact your institution's IT manager to find out whether they have already joined fone@RNP. If so, you can already call free of charge to other institutions, which have already joined.