conference call
US /ˈkɑːn.fər.əns ˌkɑːl/
UK /ˈkɑːn.fər.əns ˌkɑːl/

1.
a telephone call in which more than two people can hear and speak to one another
:
•
We had a conference call with the team in London this morning.
•
Please mute your microphone during the conference call.