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Flexisip

Communication & Email

Complete, modular and scalable SIP server, includes a push gateway, to deliver SIP incoming calls or text messages on mobile device platforms where push notifications are required to receive information when the app is not active in the foreground.

C++ Latest 2.7.0-alpha · 14d ago Security brief →

Features

  • SIP Proxy Server for routing messages
  • Push Notification Service for mobile device alerts
  • Presence Server for user online status tracking
  • Back-to-Back User Agent (B2BUA) with identity translation and media transcoding

Recent releases

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C++ CMake C

Beta — feedback welcome: [email protected]