You still have to pay for broadband or data charges. The need for internet connection also means that wi-fi calling with WhatsApp isn’t exactly free. So if you’re a frequent traveler, you might want to find a cheap way to make international calls without relying on internet connection. You, the caller, and the one receiving the call should both be connected to the internet.īesides, when you’re on the road (and in many developing countries), there is no assurance of a stable internet connection. See, the internet connection requirement is a two-way street.

In particular, the person you’re calling. Though internet connection may not be a problem for you, it may not be the case for others. This ensures high-quality calls and that you’re not cut off mid-sentence. That’s because a wi-fi signal is usually faster and more reliable than using the mobile internet.

WhatsApp even encourages its users to connect to wi-fi rather than rely on mobile data. So whether you connect to a wi-fi or not isn’t your choice to make. Since WhatsApp uses VoIP technology, internet connection is a must.

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