ms-teams

Every UZH member has a MS-Teams Account.
Use your official UZH institutes email address (...@math.uzh.ch) to login.
If you can't login,  set a password for account Active Directory under https://identity.uzh.ch
Login: Microsoft_Authentication
Telephone
To use MS-Teams as a phone (incl a phone number), a MS phone plan has to be purchased via the institute. 
Typically only administrative staff has a MS phone plan assigned to it.
Using MS-Teams
MS-Teams via Browser: https://teams.microsoft.com
MS-Teams Client: Windows & Mac - via App Store
MS-Teams Client: Linux - Google Chrome WPA (installation see below)
Thinlinc (Linux)
Webcam Support:
Using the terminals in Y27: just plug in the webcam.
Audio/Video Test: https://janus.conf.meetecho.com/echotest.html (press 'Start' on the top)
Not using the terminals in Y27 (e.g. from at home, or on your notebook): NO webcam support by using MS-Teams via Thinlinc (instead: Start MS-Teams outside of Thinlinc).
Chat, Audio and Screen share is fine
Menu > Teams (to find it quickly, type 'teams' in the input field). 
First time use / installation
Activate MS-Teams as PWA installation.
In Google Chrome (Chrome and Brave are supported for the MS-Teams PWA app) open https://teams.microsoft.com
Log in.
Allow desktop notifications
Install the PWA
From now on, start the PWA via start menu:
After installation, you'll find also a start icon on the Desktop.
PWA does not have a dedicated notification icon in the border panel - instead you'll see new message notifications in the general notification area.
To bring MS-Teams to the front, press 
Alt-Tab or start MS-Teams again.
Printing
To open the print dialog, please press: Ctrl Shift p.
MS-Teams does not start
Open the menu (lower left corner)
Type: Teams
Click on Repair MS-Teams
After a few seconds, try to start MS-Teams again.
Problem with audio
Using audio (mic/speaker) in MS-Teams on Thinlinc is fine, but needs some attention after powering on the terminal:
Power on terminal
Unplug / plug the headset 
If thinlinc is already conntected: 
F8 > disconnect and log in again.
If MS-Teams still has a problem: 
quit MS-Teams and start MS-Teams again.
Test:
PWA version of MS-Teams: 
Menu > pavu (Pulse Audio Volume Control) > Input Devices > Tunnel: flickering when you speak