DFN VoIP-Centrex

1K+
Downloads
Content rating
Everyone
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About this app

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

Login requirement (from version 2.8.2)
Starting with Android version 2.8.2, it is required that a browser is installed and enabled on the Android device to allow users to log in. This ensures that all authentication processes work smoothly and securely, regardless of which browser is used.

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/.
Updated on
Sep 23, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App info and performance and Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted

What’s new

Choose how emergency calls are handled in the app: via SIM, via Internet (PBX), through your extension, or by being asked each time.
Select the transcription language before a call starts.
The full call transcription can now be shared directly via the share options.
The proximity sensor will now turn off the screen during calls when the app runs over the lock screen or was stopped in the background.

App support

About the developer
NFON AG
support@nfon.com
Zielstattstr. 36 81379 München Germany
+49 89 4530044401