Adobe connect is a meeting platform for meetings/teaching for two to many hundreds of participants. You may share documents, audio, video, screen and make recording.
More information on Ecampus support: https://support.ecampus.no/adobeconnect/
We recommend this type of microphone for this use: http://www.komplett.no/jabra-speak-510-for-microsoft-lync/780302
Log in (FEIDE, vanlig brukernavn og passord): Connect.uninett.no