It appears that you only have a Basic license for Zoom on Zoom.us. The University of Basel has a Zoom license for the fall semester 2020 for all affiliates (i.e. faculty, staff and students) with unlimited meeting duration and with up to 300 participants. You can log in to https://unibas.zoom.us with your Unibas or Stud.unibas email address during the Fall 2020 semester. To connect an existing Zoom account to the Unibas license, please follow the instructions in chap. 5.4 at https://tales.nmc.unibas.ch/de/online-lehrveranstaltungen-17.

If you encounter problems logging in with your unibas or stud.unibas address, please contact the IT Service Desk directly (support-its@unibas.ch or phone +41 61 207 14 11).