Additional meeting and call-related features and issues within Microsoft Teams for business
Having the same issue as well. One of users cannot join a call from his laptop after being on the call inside of his phone. The join button displays but is unresponsive. If he is on the call on his laptop, he can transfer the call by using the join button on his teams app on his phone.
Steps taken to resolve issue:
reinstalled app after uninstalling it and then restarting computer. tried again doing this but deleted all teams related folder structure in file explorer then restarted. also cleared temp files prior to reinstall and deleting all information from the teams cache location (%appdata%\Microsoft\Teams). installer was used directly from the teams website.
closed out app and cleared %appdata%\Microsoft\Teams folder before reopening and trying again.
signed out of app, cleared the above folder, and signed back in with same issue.
checked for updates on app after the reinstall and none were availlable.
User is on windows version 22h2 with no further windows updates available.
hardware - ThinkBook 14 G2 ITL