Trouble is, without accounts, how can I tell who the originator of a conference is? My goal is to keep the UX as brutally simple as possible. I'm really against

Trouble is, without accounts, how can I tell who the originator of a conference is? My goal is to keep the UX as brutally simple as possible. I'm really against having payments get in the way of using the product in ANY way since I feel that this is a problem that needs to be insanely simple and easy since conference calls are always a pain in the ass for some reason.