TEAMS can be launched via script, and it works fairly well in Chromium and Chrome web apps. Package yad must be installed.

Read also https://puolanka.org/goto/fix-open-microsoft-teams-link-on-linux-script/

https://www.puolanka.org/goto/chromium-and-chrome-web-app-launchers/

https://puolanka.org/goto/teams-for-linux/

Chromium web app script: Chromium-TEAMS-app.zip

#!/bin/bash
BOX=`yad --center --width=500 --height=100 --text-align=center --text="Put address to BOX" --entry --entry-label=BOX --entry-text=""`
if [ $? = 0 ];
then
yad --center --no-markup --width=500 --height=100 --text-align=center --text="You put address: $BOX"
chromium --app="$BOX" "$@"
else exit 0
fi

Chrome web app script: Chrome-TEAMS-app

#!/bin/bash
BOX=`yad --center --width=500 --height=100 --text-align=center --text="Put address to BOX" --entry --entry-label=BOX --entry-text=""`
if [ $? = 0 ];
then
yad --center --no-markup --width=500 --height=100 --text-align=center --text="You put address: $BOX"
google-chrome --app="$BOX" "$@"
else exit 0
fi

Works also with convene meetings