I'd like to answer your questions here:
1) PINs are only given to those in actual attendance, using a software interface. All attendees are auto-muted upon arrival, but anyone you planned to present can be added as a Panelist member, who's privileges include self-muting and un-muting (unless you use the Mute All command).
2) At this time, we are considering a feature that would allow you to 'see' unidentified callers in the attendee list, but it is currently only available for GoToMeeting events. There are no 'reports' that show these callers unfortunately.
I have the same question - is it possible for someone to join using a phone only (without logging in online). I ask as I have a panelist, who cannot use the software interface due to their organisations firewall.
As this post is old, can you confirm that there is still no way for someone to dial-in, without also using the software?
@AMcL go to your GoTo web dashboard , open a specific webinar, and then click on Settings to open the Settings part of the web page.
There you will see the phone number and three access codes. Give your presenter the Panelist access code. This will let them listen and talk. The Organizer does not have control over muting anyone who joins with this access code.
Test this to see if it still works this way.