We appear to be missing settings for Skype for Business. We have E3 with PSTN. We're missing the 'Announce when people enter or leave' as seen here: https://support.office.com/en-us/article/announce-your-name-when-you-join-a-skype-for-business-meeti...
Does anyone else using E3 with PSTN? Can you check if you have the setting?