WhatsApp phone call: With WhatsApp you can not only send texts and files, but also make phone calls. But be careful: such phone calls can indirectly cost money!

checked4you advises , you should know a few things, which also apply to other VoIP services such as Skype, Google Hangouts and Apple Facetime.

  • The phone calls are made over the Internet. The technology is called Voice over Internet Protocol (VoIP). This means: All conversations take place via servers, which in the case of WhatsApp are located in the USA. On April 5, 2016, WhatsApp began end-to-end encryption , which is intended to make conversations tap-proof. only the content is encrypted . It is still possible to trace when you spoke to whom on the phone and for how long. The information may also be passed on to other companies , which we don't think is great at all.

 

  • Because telephone calls are made over the Internet, you use up data volume - regardless of whether you are calling someone or are being called. So if you're not on WiFi somewhere, you can use your mobile high-speed volume. So that you have a rough idea: A VoIP phone call with clear sound uses around 100 kilobits per second, which is around 0.7 megabytes per minute.

 

  • Of course, be careful when on vacation: Mobile data use abroad is extremely expensive! Unless you are in an EU country. Then, since mid-2017, you can use your smartphone tariff just like you would at home. more about EU roaming here .


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