kapilathi, Jun 8, 2018 : Title Call waiting is not working with Airtel and OnePlus6.. Device OnePlus6 Software Version O2 Stable 180517 Probablility of occurance 5_100% Topic Phone App Photos Carrier/Network AirtelNone Actual behavior Not getting 2nd call for the same SIM Was this a problem in previous software versions No application or don't know. Expected behavior Should get call waiting notification and option to attend 2nd call Any other comments Attend the first call and make a second call to your number from another phone. Caller gets call waiting, but I am not getting any notification. Checked with other OnePlus6 users also, same issue. Please fix it.