What is call ended without ringing?

A call ending without ringing typically means that the call was not successfully connected and the receiver did not have an opportunity to pick up the phone. The cause of this can vary, but it may be due to a poor signal, call drop, or an issue with the recipient's phone or network. It may also be caused by the sender hanging up before the call was answered. In some cases, the phone may show a missed call notification even though it did not ring for the receiver.