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by adarsh_thampy 2880 days ago
Phone calls need to be in real time while Whatsapp chat can be read when you are free. Group SMS does not work because I am not aware of such functionality in Android.

During group discussions (like say planning a trip), we often share screenshots/images of hotels and other services for groups to vote on. These things are not possible with SMS or calls.

In India, most people I know have stopped using SMS altogether. Even I have stopped looking at SMS mostly because all the SMS I get is either an OTP (10%), a transactional message (10%), or a marketing message/SPAM (80%).

The last time I sent someone a personal message (or someone sent me one) using SMS was probably 2 years ago.