SFLphone is a robust standards-compliant enterprise softphone, for desktop and embedded systems. It is designed to handle several hundreds of calls a day. SFLphone is available under the GNU GPL license, version 3.

  • Voice encryption (SRTP)
  • ZRTP key exchange protocol
  • SDES key exchange protocol
  • Signalling encryption (TLS)
  • Multiple realms authentification mecanism


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