Welcome to Linphone!
Linphone is a free, open-source VoIP (Voice over IP) application based on SIP (Session Initiation Protocol) technology. It enables users to make secure audio and video calls, send instant messages, and share files across various platforms. Linphone is ideal for personal, professional, or developer use due to its flexibility, SIP-compatibility, and customizable options. Download Linphone now!
Features of Linphone:
High-Definition Audio & Video Calls
- Supports HD voice and video for crystal-clear communication.
- Compatible with most SIP codecs for optimal call quality.
Conference Calling
Enables audio conferences with multiple participants, suitable for team calls or meetings.
Messaging and File Sharing
Includes secure text messaging, image sharing, and file transfers directly within the app.
Push Notifications
Receive calls and messages even when the app is not actively open.
Advanced Security
- Offers end-to-end encryption (SRTP, ZRTP, TLS) to protect communications.
- Ideal for users needing confidential or private conversations.
SIP Protocol Support
- Works with most SIP-based VoIP providers.
- Make calls to other SIP clients or traditional phone numbers via a SIP service.
Cross-Platform Availability
Available for iOS, Android, Windows, macOS, and Linux.
Developer & Enterprise Friendly
- Linphone is open-source and customizable.
- Businesses can rebrand it for their own use or integrate it into existing systems.
Top 5 FAQs on Linphone:
1. Can I use Linphone with any VoIP provider?
Yes. Linphone is fully SIP-compliant, allowing it to work seamlessly with most SIP-based VoIP service providers globally.
2. Is Linphone really free and open-source?
Yes. Linphone is completely free for personal use and open-source under the GNU General Public License. Businesses can also customize it via professional services.
3. Is Linphone secure for confidential communications?
Absolutely. Linphone supports multiple encryption methods like SRTP, ZRTP, and TLS, ensuring secure and private calls and messages.
4. Does Linphone support video calls and conferencing?
Yes. It supports both one-on-one video calls and audio conferences with multiple participants, depending on your SIP provider’s capabilities.
5. Can Linphone run in the background and receive calls?
Yes. Thanks to push notifications, Linphone can receive incoming calls and messages even when the app is closed or running in the background.
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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
v6.0.4——12 Apr 2025
- Lots of changes! Take a look at our CHANGELOG here for more info: https://gitlab.linphone.org/BC/public/linphone-android/-/blob/release/6.0/CHANGELOG.md
- Minimum required version is now Android 9
- x86 and x86_64 support no longer available
- Android 15 support added
- 5.4 SDK built with NDK r27c
- Fixed various bugs & crashes
