Always ask for PIN to avoid meeting termination
Always ask for PIN to avoid meeting termination. Once a leader enables a PSTN conference with their conference ID and PIN the system no longer prompts for callers to "press * if you are the leader". This can cause issues (eg call termination after a period of time) if the leader disconnects. If the system always asks "press * if you are the leader" then the leader can call back in or designate another user to also login as a leader to avoid call termination after a period of time.
I opened a ticket with O365 support, and they confirmed this is the current behavior, and there are no workarounds at this time. It does seem like particularly bad design to have no way for an organizer to rejoin a meeting if accidentally disconnected, and I’m baffled that there is no workaround whatsoever.