Require participant ID for call-in from webinar? We conduct training webinars, and we notice that attendees who encounter computer audio issues and decide to switch to joining by phone instead are allowed to skip entering the participant ID shown on the screen when they call in. (The phone instructions say "... Enter your participant ID followed by pound. Otherwise, just press pound.") If the attendee skips entering their participant ID, they are listed twice in the attendee panel--once under their computer-based session and again with their phone number. They're also listed twice in any post-webinar attendee reports. Finally, with hundreds of attendees in a training webinar, it poses potential security issues by making it difficult for the host to fully remove an attendee who has called in (both instances of the attendee), because there's no way to determine which phone number is associated with their computer session in the attendee list. So, if an attendee is joining by phone after they have joined a webinar, we wan
