Work uses slack/teams/Webex. One person sends me Signal. No one has ever used telephony, except I use it to call he dial in numbers because my phone audio is be

Work uses slack/teams/Webex. One person sends me Signal. No one has ever used telephony, except I use it to call he dial in numbers because my phone audio is better than Bluetooth / virus agent laden laptop displaying ten videos of peoples homes thru vpn.