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That said, As per calculations made by the Indian Express, a minute of WhatsApp call costs around 0.15 MB to 0.20 MB of 3G data which means a 5-minute call costs around 1MB of 3G data. Yes, the platform itself is free but you need to account for the data you will need to access and use the platform. Advantages of VoIP and WhatsApp CallsĪ lot of people like to say WhatsApp calls are free but I don’t think this is entirely true. WhatsApp relies on low latency internet and deploys VoIP (Voice Over Internet Protocol) which, simply stated, means using the Internet to make and receive telephone calls- hence WhatsApp Call. Services like WhatsApp already use the internet to carry your images, videos, voice notes between you and your chats. The internet has been around for a while and it has come a really long way. It is important to note that the fundamental telephone technology has barely changed since the 19th Century. This is all well and good but how does WhatsApp call compare to the traditional calls through your carrier? Why WhatsApp call in the first place?

Also Read: WhatsApp Calls hits 100 million daily milestones, App co-founder insists it is nowhere near “Critical Mass”