Furthermore, the recipient must have WhatsApp installed. You must first ensure that both you and the recipient have the application installed and linked to your phone number.
Bypass Cellular Fees With WhatsApp Calling
Unlike the Public Switched Telephone Network (PSTN), which establishes a direct circuit between two physical phones, WhatsApp utilizes Voice over Internet Protocol (VoIP). Feature Standard Phone Call WhatsApp Call Network Used Cellular Carrier (SMS/MMS) Internet (Wi-Fi or Data) Cost Often Minute-Based Charges Free (Data Costs Apply) Requirements Phone Number & Signal App Installed & Internet Global Reach and Convenience One of the significant advantages of using WhatsApp for voice communication is the elimination of international roaming fees.
Therefore, while the result—talking to another person—is the same, the infrastructure and cost structure are fundamentally different. You cannot dial a WhatsApp number from the traditional phone dialer to reach someone who does not use the app.
Bypass Cellular Fees With WhatsApp Calling
The Evolution of the Platform. As long as both parties have the app, the call connects over the internet, bypassing the expensive fees typically associated with cross-border cellular communication.
More About Can you make phone calls on whatsapp
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