Unlike the Public Switched Telephone Network (PSTN), which establishes a direct circuit between two physical phones, WhatsApp utilizes Voice over Internet Protocol (VoIP). This has made the app a staple for expatriates and international travelers who need to stay connected without financial burden.
WhatsApp Calling Setup Step By Step
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. When you pick up your phone, the expectation to make a call is immediate.
WhatsApp calling, however, is a feature within the application that routes audio through the internet. 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.
WhatsApp Calling Setup Step By Step
Furthermore, the recipient must have WhatsApp installed. Within a chat window, you tap the phone icon icon to start an audio call or the video camera icon to begin a video call.
More About Can you make phone calls on whatsapp
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