Make a Guest Call from the Lifesize app

You can call Lifesize users even if you do not have a Lifesize account. You can also join a call from a non-Lifesize conference room system.


  1. Download the Lifesize app.
  2. Open the Lifesize app and click I am a guest
  3. Enter your name and the number of the person you want to call. The number uses this format: extension@lifesizecloud.com. 
  4. Click Next

Lifesize users, learn how to call someone.