Linphone is an open source VOIP project for desktop computers, smartphones, tablets and web browsers. It allows you to make audio and video calls in HD, create audio conferences, share pictures and files, and communicate securely.

It is available for Android, iOS, Windows, Mac, and Linux.


  • Audio & HD video calls
  • Multiple calls management (pause & resume)
  • Call transfer
  • Audio conferencing (merge calls into a conference)
  • Instant Messaging with message delivery status (IMDN)
  • Pictures and files sharing
  • Contact list
  • Call History
  • Display of advanced call statistics
  • Echo Cancellation
  • Call quality indicator
  • Secure communications: zRTP, TLS, SRTP
  • Supported languages: English, French
  • Account creation assistant
LicenseFree and Open Source
Supported Platforms, , , ,

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