Calls abroad are quite expensive. However, they can be significantly cheaper or completely free. There are many programs and sites from which you can make phone calls.
There are a large number of programs these days that offer free calls to anywhere in the world. Every second program receives negative reviews, in which people reveal the financial frauds of scammers who took the money and did not give the opportunity to call, so be careful with such calls.
Skype
Skype is a computer program that offers communication services absolutely free of charge. Basically, the program is focused on making calls between two computers via voice and video communication, while the connection is really absolutely free. It is possible to call a mobile number of any country once, but for the next calls you will have to top up your account.
Calls over the Internet
The offer of some programs, including Skype, has become progressive with the development of Internet speed. Users are encouraged to communicate via the Internet, thus linking the phone and computer. For such a connection, you need to have a program on your computer and phone, as well as a good Internet connection. In this case, mobile Internet can also help out, but the connection will not be very good. There are a lot of similar programs, among them Tap4Call, Fring, Viber, Forfone, LINE and others.
IP telephony is supported by many messenger programs, for example Mail.ru Agent, ICQ. With their help, you can make free video and voice calls. You can install the program both on a computer and on a cell phone.
Another similar program is called Google Talk. If you and your friends have it on your computer, then a voice or video call will be completely free.
Communication with residents of other countries
Many people write that it is impossible to make free calls abroad, all such proposals are so-called divorce. This is partly true, but several such sites still exist.
The most popular service for calls to another country on the phone is Call2friends. Of course, this online service does not allow you to talk endlessly, but it will allow you to dial any phone number and talk several times a day. Talk time is also limited. This service is the most loyal of the existing ones. It allows you to make free calls to landline or mobile phones, as well as send SMS, anywhere in the world without installing software - right from your browser.
There are a lot of online services like Call2friends, and almost every one of them provides an opportunity to make free calls to nearby regions or abroad. Usually after 2-3 minutes of a conversation, the call ends and you are offered to top up your account to continue the conversation.
Consider paid options, but at a minimal cost. There are a large number of sites providing mobile services for a penny. It is very difficult to find such sites and very often there is some kind of catch, but if the question is about saving, and not about free communication, appreciate this opportunity.