Use APKPure App
Get CERNphone old version APK for Android
CERNphone mobile - softphone for the CERN community
CERNphone mobile is a softphone app for the CERN community:
- Telephony within CERN
- Support for Wifi and mobile networks
- App wakeup via Push Notifications
CERNphone mobile usage is restricted to the CERN community and is subject to usage authorization. Find more information under https://cernphone.docs.cern.ch (CERN login required).
CERNphone mobile is based on the popular Linphone open source client. If you are not associated with CERN, please install Linphone instead (available on Google Play).
What's New in the Latest Version 5.4.9
Last updated on Nov 10, 2025
Upgraded SDK
Fixed bug that prevented starting the background service on certain devices after reboot
Fixed bug using outdated audio service on Samsung devices
Fixed bug causing one-way audio when the application is in the background
Translation Loading...
CERNphone
5.4.9 by CERN
Nov 10, 2025