Sinch Developer Documentation

We provide building blocks to enable you to build rich customer communication

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Voice for iOS

The Sinch SDK is a product that makes adding voice calling and/or instant messaging to mobile apps easy. Continue reading this step-by-step guide now.

The Sinch SDK is a product that makes adding voice/video calling to mobile apps easy. It handles the complexity of signaling and audio & video management while providing you the freedom to create a stunning user interface.

This document provides an overview for developers integrating with Sinch SDK for the first time. It outlines the prerequisites and guides you through the process of setting up and answering calls.

Please see the Reference Documentation for a comprehensive description of all the classes.

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What's Next

First time setup

Voice for iOS


The Sinch SDK is a product that makes adding voice calling and/or instant messaging to mobile apps easy. Continue reading this step-by-step guide now.

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