Plivo provides three software development kits (SDK) that let you to embed voice call capabilities into your web and mobile applications and provide two-way audio capability for making and receiving voice calls.
With our Browser SDK you can build web-based applications such as a click-to-call button in the browser or real-time screen sharing.
Our Android and iOS SDKs let you build IP-based voice call capabilities (VoIP) for mobile applications.
For details, see our Getting Started guides, which include sample applications: