Participants may be in a noisy environment. The lack of push to talk creates extra hassle of constantly having to mute, then unmute with the mouse control (even when participants are wearing headphon...
Come on, Citrix. It's easy to add as a hard-to-find feature in the menus. We have to take conference calls while sitting next to each other, and we're sometimes on the same call and sometimes on different calls. I'm tired of hearing feedback or someone saying "are you on mute?" or both.