Linphone6.2.3 - App Store

Linphone is an open source internet SIP phone or Voice Over IP phone (VoIP).

Linphone is an open source app offering free audio/video calls and text messaging. With Linphone, you can be reachable at any time, even if the app is closed, with a WiFi or 3G/4G internet connection.

Linphone key features:
* high definition audio and video calls
* audio conference calls with various participants
* pictures and file sharing
* Linphone accounts reachable at any time, even if the app is closed (thanks to push notifications)
* secure communication (encryption options)
* compliant with a large number of SIP-compatible VoIP service providers allowing to reach everyone that has a "classic" phone line.

Linphone is available on the main mobile and desktop operating systems and offers various specific features for advanced users (codecs, transport standard, encryption options, DTMF...). For more information, see Linphone project website: www.linphone.org

Note for developers and professionals:
Linphone can be rebranded and customized to meet specific needs. Contact Belledonne Communications www.belledonne-communications.com for any specific development query.

Version History Lots of changes!
Take a look at our CHANGELOG here for more info: https://gitlab.linphone.org/BC/public/linphone-iphone/-/blob/master/CHANGELOG.md 6.2.3 Sep 28 Lots of changes!
Take a look at our CHANGELOG here for more info: https://gitlab.linphone.org/BC/public/linphone-iphone/-/blob/master/CHANGELOG.md 6.2.2 Aug 6 Lots of changes!
Take a look at our CHANGELOG here for more info: https://gitlab.linphone.org/BC/public/linphone-iphone/-/blob/master/CHANGELOG.md 6.2.1 Jul 9 Lots of changes!
Take a look at our CHANGELOG here for more info: https://gitlab.linphone.org/BC/public/linphone-iphone/-/blob/master/CHANGELOG.md 6.2.0 Jun 2 Lots of changes!
Take a look at our CHANGELOG here for more info: https://gitlab.linphone.org/BC/public/linphone-iphone/-/blob/master/CHANGELOG.md 6.0.3 Feb 2 Lots of changes!
Take a look at our CHANGELOG here for more info: https://gitlab.linphone.org/BC/public/linphone-iphone/-/blob/master/CHANGELOG.md 6.0.2 09/30/2025 Lots of changes!
Take a look at our CHANGELOG here for more info: https://gitlab.linphone.org/BC/public/linphone-iphone/-/blob/master/CHANGELOG.md 6.0.1 09/15/2025 Lots of changes!
Take a look at our CHANGELOG here for more info: https://gitlab.linphone.org/BC/public/linphone-iphone/-/blob/master/CHANGELOG.md 6.0.0 09/03/2025 Bug fixes and performance improvements 5.2.7 04/29/2025 Bug fixes and performance improvements 5.2.6 04/26/2025 Bug fixes and performance improvements 5.2.5 03/12/2025 Bug fixes and performance improvements 5.2.4 10/11/2024 Bug fixes and performance improvements 5.2.3 10/09/2024 ## [5.2.2] - 2023-28-12
### Added
- Log sending option will now give a link to download the logs, rather than send the whole log file
- Taping a notification when app is started now properly opens the conversation
- Open call history when taping a missed call notification

### Changed
- Update linphone SDK to 5.3.20

### Fixed
- Fix replying to images not displaying the image preview in the reply window
- Various UI fixes in chatrooms 5.2.2 02/19/2024 ## [5.2.0] - 2023-28-12
### Added
- Added extra Czech and Japanese translations

### Changed
- Update linphone SDK to 5.3.4

### Fixed
- Re-enabled the G729 audio codec 5.2.1 12/28/2023 ## [5.2.0] - 2023-21-12
### Added
- Chat messages emoji "reactions"
- Hardware video codecs (H264, H265) are now used in priority when possible (SDK)

### Changed
- Minimum iOS version is now 13
- Update linphone SDK to 5.3.1

### Fixed
- Several crashes in chat conversation when receiving files
- Various UI fixes in conference views
- Fix crash upon refreshing register 5.2.0 12/22/2023 #Changed
Update linphone SDK to 5.2.106

#Fixed
- Fix bug that could prevent the creation or logging in of a linphone account using a phone number
- Fix UI bug on dark mode when using multiple accounts simultaneously
- Fix bug with presence when using a phone number account
- Fix bug that would prevent the reception of push notificatins and call after receiving a first push in background 5.1.1 09/20/2023 ### Added
- In contacts and chat conversations view, show short term presence for contacts whom publish it + added setting to disable it (enabled by default for sip.linphone.org accounts)
- Advanced settings - option to prevent the taking of screenshot
- Emoji picker in chat conversations
- Add Organization label to contacts, and the possibility to filter through it
- Possibility to make an attended transfer from one call to another
- Contact names, phone numbers and sip addresses are now copyable through with long press action

### Changed
- Switched Account Creator backend from XMLRPC to FlexiAPI, it now requires to be able to receive a push notification
- Chat conversation view (one-to-one and group) completely remade with Swift, with various quality of life improvements.
- Minimum iOS version is now 11.2
- Update linphone SDK to 5.2.96

### Fixed
- Several crashes in the chat conversation view and background mode
- Url scheme handler : can now properly do a remote configuration when opening a linphone-config:URL from another app
- Bug that could cause push notification to stop working after killing the app manually 5.1.0 08/22/2023 ### Changed
- Update linphone SDK to 5.2.29

### Fixed
- Performance issue causing a global slowing of the app, especially at launch
- Fix several memory leaks and crashes 5.0.2 03/15/2023 ### Changed
- Update linphone SDK to 5.2.11

### Fixed
- Makes sure sip.linphone.org accounts have a LIME X3DH server URL for E2E chat messages encryption
- Fix potential crash when displaying images received in a chatroom
- Fix bug that would cause the previous call to be terminated when resuming another call that was paused
- Fix participant video display in conferences when a second participant joined with video enabled 5.0.1 01/13/2023 ### Added
- Post Quantum encryption when using ZRTP
- Conference creation with scheduling, video, different layouts, showing who is speaking and who is muted, etc...
- Group calls directly from group chat rooms
- Chat rooms can be individually muted (no notification when receiving a chat message)
- Outgoing call video in early-media if requested by callee
- Call recordings can be exported
- Setting to prevent international prefix from account to be applied to call & chat
- Add a "Never ask again" option to the "Link my account" pop-up when starting the app

### Changed
- In-call views have been re-designed
- Improved how contact avatars are generated
- 3-dots menu even for basic chat rooms with more options
- Update linphone SDK to 5.2.0

### Fixed
- Chatroom appearing as empty when being logged on multiple accounts
- Chatroom appearing as empty after playing a video file inside it
- Fix potential crash when entering a chatroom
- Fix potential crash when accessing to the delivery infos of a message in a group chat.
- IMDN logo not properly displayed when transfering or replying to a message with media (voice message, photo...)
- Clarified view when sending an image from the galery
- Various audio route fixes for CallKit and IOS 16 5.0.0 12/07/2022 ### Fixed
- Fixed bug that would make audio messages unplayable on iOS 16
### Changed
- Update linphone SDK to 5.1.67 4.6.8 10/28/2022 ### Changed
- Update linphone SDK to 5.1.62 4.6.7 09/21/2022 ### Changed
- Update linphone SDK to 5.1.57

### Fixed
- Fix bug that could cause video quality to be worse than it should
- Fix possible crash when receiving an incoming call
- Fix crash when no account is marked as being the "default" one
- Various fixes in Contacts view and LDAP search 4.6.6 09/02/2022 ### Changed
- Update linphone SDK to 5.1.46

### Fixed
- Application GUI would sometimes break after a failed remote provisioning
- Various fixes in Contacts view and LDAP search
- Fix possible crash when entering background 4.6.5 07/01/2022