The arrival/receipt of communication such as a phone call, email, or message (e.g., incoming call).
携帯の着信音が鳴ったので席を外した。
My phone's incoming ringtone sounded, so I stepped out.
着信履歴を確認したら知らない番号が何件かあった。
When I checked the incoming call history, there were several unknown numbers.
重要な着信を見逃さないように通知音を大きくした。
I turned up the notification sound so I wouldn't miss important incoming calls.