Product Information
What is Linphone?
Linphone is one of the most renowned open-source softphones in the world. Fully SIP-based, it caters to all calling, presence, and IM functionalities.
Use Linphone for free and enjoy its intuitive interface and advanced features through our complimentary SIP service or your existing SIP account.
User-friendly graphical interface:
- Account creation wizard
- Smart contact list synchronized with smartphone address books
- Call history
- "Invite your friends" option
- Remote provisioning via QR code or URL
Advanced calling features:
- HD video calls with preview (supporting H.264, H.265, and VP8 codecs)
- Audio conferencing
- Call transfer and multiple call management (hold and resume)
- Call recording and playback (audio only)
Enhanced audio and video quality:
- Cutting-edge adaptive jitter buffer algorithm
- Innovative adaptive bitrate control
- HD voice (Opus support) and echo cancellation
- Call quality indicators and detailed call statistics
Improved instant messaging experience:
- One-on-one and group conversations
- Intuitive message status (IMDN)
- Image and file sharing
- Multi-device support
- Advanced IM notifications with "reply" and "mark as read" options
Secure communication:
- SIP TLS with state-of-the-art cryptographic algorithms
- Audio and video encryption via SRTP and ZRTP
- End-to-end encryption for one-on-one and group messaging
How to use Linphone?
Linphone is an open-source SIP-based softphone offering free voice and video calls and instant messaging, supporting use on smartphones, tablets, and desktop platforms.
Core Functions of Linphone
Privacy-Focused
SIP Client
SIP
Softphone
Ad-Free
Voice Chat
Usage Scenarios of Linphone
- Make free SIP voice and video calls.
- Conduct audio conferences.
- Send one-on-one or group instant messages.
- Share images and files.
- Communicate across smartphones, tablets, and desktop platforms.
- Remote configuration via QR code or URL.
Common Questions about Linphone
What does Linphone do?
How do I use Linphone?
What are the core features of Linphone?
What are the use cases for Linphone?
