If you have a good data plan, you can use messenger apps like WhatsApps to make international calls so you don’t get charged anything. – 123rf.com
More and more messenger apps are also offering calls in addition to messages, photos, emoji, videos or voice messages.
WhatsApp, Signal, Wire, Facebook Messenger and Skype all promise a cheaper, easier alternative to traditional phone calls. But what does anyone who wants to switch have to keep in mind?
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