# CERNphone

> CERNphone (iPhone/iPad app by CERN.)

- Source: https://appshunter.io/ios/app/cernphone/id1504890979 (this page in markdown: same URL + `.md`)
- Developer: [CERN](https://appshunter.io/developer/471256386)
- Category: Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 68 MB
- Languages: Arabic, Dutch, English, French, German, Hungarian, Japanese, Russian
- Released: 2020-11-12
- Data updated: 2026-07-05
- User reviews in markdown: https://appshunter.io/ios/app/cernphone/id1504890979/reviews.md

## What is CERNphone?

CERNphone mobile is a softphone app for the CERN community:
- Telephony within CERN
- Support for Wifi and mobile networks
- App wakeup via Push Notifications
- CERN's phonebook integration

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 the App Store).


## Version history (last 3 releases)

### 5.4.2 — 2025-08-14

- Fixed bug in 5.4.0 with LDAP
- Improved move from WiFi to LTE/5G and viceversa (for example, when leaving a building while in a call)
- Improved LTE/5G network switching (for example, when crossing the border while in a call)

### 5.4.0 — 2025-07-31

- Improved move from WiFi to LTE/5G and viceversa (for example, when leaving a building while in a call)
- Improved LTE/5G network switching (for example, when crossing the border while in a call)

### 5.3.5 — 2024-11-14

- LDAP failover
- Minor bug fixes
- Aligned version numbering

## More apps by CERN

- [MapCERN](https://appshunter.io/ios/app/mapcern/id471256383)
- [Indico check-in](https://appshunter.io/ios/app/indico-check-in/id834962232)
- [TEDxCERN](https://appshunter.io/ios/app/tedxcern/id1036801542)
- [CERNBox](https://appshunter.io/ios/app/cernbox/id1082672644)
- [CERN Stickers](https://appshunter.io/ios/app/cern-stickers/id1226409799)
- [CERN Alumni](https://appshunter.io/ios/app/cern-alumni/id1231928021)

All apps by CERN: https://appshunter.io/developer/471256386

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-05.*