call button
US /ˈkɑːl ˌbʌt.ən/
UK /ˈkɑːl ˌbʌt.ən/

1.
tombol panggil, tombol panggilan
a button that you press to call someone or something, for example, a lift or a flight attendant
:
•
Press the call button if you need assistance.
Tekan tombol panggil jika Anda membutuhkan bantuan.
•
She pressed the call button for the elevator.
Dia menekan tombol panggil untuk lift.