Sometimes when people call my phone they get a busy signal. I won't get a missed call notification and know I'm not on the phone at that time. I have a sim card and an esim (two different numbers) the sim card is the phone number that is doing it.
Hello Erich1233454331, Thank you so much for posting. Welcome to the Samsung Community. I understand you are having issues with callers getting a busy signal and no notification for missed call. Please reach out to your carrier for further assistance.
