How can you synchronize the phonebook of an AVM FRITZ!Box?

Option A) Via CardDAV

1. Log in to the web interface of your FRITZ!Box (in your web browser: https://<FRITZ!Box IP Address>)
2. Create a new phonebook: Click on the left menu, Telephony -> Phonebook -> New Phonebook:
   • Name: e.g., sync.blue
   • Use the phonebook of an online provider
     • Provider:
       • CardDAV Provider:
         • Internet address of the CardDAV provider: https://carddav.sync.blue/YOUR_API_KEY (displayed when creating the sync.blue® connection)
         • Username: YOUR_API_KEY
         • Password: YOUR_PASSWORD
   • Phone assignment: select desired phones
   • Click "OK" and wait several minutes (!) for the contacts to be synchronized to the phonebook.

Option B) Via Google

Follow the instructions for creating the connection in the sync.blue® dashboard.

Option C) Via Apple iCloud

Follow the instructions for creating the connection in the sync.blue® dashboard.