1. Setting Up Call Waiting

• Start by finding the "FRITZ!Box Password" on the underside of your router
  
  
• Using one of your devices, open your web browser of choice and go to http://192.168.178.1 (when connected to your router via WiFi or a Wire)
• You'll then be shown a log in screen with an empty "Password" field, enter the found password and click "Log In"
  
  

Note: You can also find these steps on our "How To" YouTube Video

• Click the "Telephony" menu
  
  
• Now click the "Telephony Devices" sub-menu
  
  
• Click the "Edit" button
  
  
  
• Click on the "Telephony Device Features" tab
  
  
  
• Then click on the "Telephony Device Features" tab, then disable the option "Call rejection on busy (busy on busy)"
  
  
• Enable the option "Call waiting"
  
  
• Finally click "OK" to save the settings