Someone called you and you do not know who.
Safe Caller / Not Spam
Caller who is safe to answer on the phone.
Bank / Credit card Scam
When someone is calling you and saying that calls you from a bank, asking you about your bank or credit card details.
When you receive call from Charity organisation and they ask you for donation money or something valuable.
Caller from Event company, who reminds you about events.
Call from scammers, people who will use your information to charge you money from phone, credit card etc. Advice, Do not answer them.
Someone called you and you missed this call, you do not know who called you.
RoboCaller / Automated call
When you receive call that is automated, robo voice.
Other / I Don't know
When you just don't know who called you and why.