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While on call on Sim 1 my calls drop when someone calls me on Sim 2 Nov 27, 2020 via OnePlus 7 Pro Nebula Blue

PrithvirajChavan , via OnePlus 7 Pro Nebula Blue , Nov 27, 2020 :

Whenever I am on call on sim 1 and if somebody calls me on sim 2 my first call disconnects and sim 2 call starts ringing.

Call waiting is activated on both sims.