Easy, flexible and reliable
Cloud telephony for the research community, hosted in the German Research Network.

Seamless user experience
Fully integrated into your Android environment, with a new, improved interface and intuitive controls. Adjust all settings easily in App Settings.

Solid performance
Cloud telephony in your pocket for worry-free business communications on the go.

Maximum flexibility wherever you work
With DFN VoIP-Centrex, your phone becomes your mobile office, with all the professional functions of your office extension at your fingertips. Use DFN VoIP Centrex’s virtual conference rooms to save travel costs and time.

Get started
Download the app, enter your DFN VoIP-Centrex username and password, and you’re good to go!

IMPORTANT INFORMATION
The previous version of the DFN VoIP-Centrex App for Android is no longer supported. If you have the old version installed, please delete it from your phone before downloading the new app.

We're always excited to hear from you! If you have any feedback or questions, please contact us via https://www.dfn.de/kontakt/.