PortSIP VoIP SDK is a modern SIP client framework for developing audio and video calling applications. The SIP SDK is available for all leading operating systems, enabling a fast time-to-market on all platforms, including iOS, Android, macOS, Windows, and WebRTC.
The SDK is designed for developing audio, video, and IM apps, support sharing screen, sending file, picture, voice, and video messages, accelerating and simplifying the development.
  • Ready-to-use and shortest Time-to-Market
  • Compatibles with any PBX: Avaya, Mitel, Asterisk, Cisco, NOT FREE
  • Good compatibility with any PBX: Avaya, Mitel, Asterisk, FreeSwitch
  • Sharing screen
  • Voice and Video call over IP and LTE/4G/5G
  • Sending files, pictures, voice, and video messages
  • Instant Messaging and Presence
  • HD Video conference, no MCU required
  • Standard based and rigorously tested for interoperability
  • Without any need for complicated integrations or VoIP know-how.
  • Support iOS, Android, Windows, macOS, Linux, WebRTC
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