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    Voice API
    In-app Voice and Video SDK
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    Numbers API
    Number Lookup SDK
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  • Messaging
    SMS API
    Conversation API
    WhatsApp API
    RCS API
    MMS API
  • Voice and Video
    Voice API
    In-app Voice and Video SDK
  • Email
  • Numbers & Connectivity
    Numbers API
    Number Lookup SDK
  • Verification
  • Sinch.com
    • Nothing Found
    In-app Voice and Video
      Nothing Found
      Overview
      Getting started
      Voice and Video for Android
      Voice and Video for iOS
      Voice and Video for Browsers
      Sinch SDK Downloads
      Calling network ports
      Migrate to our In-app Cloud Platform
      In-app platform upgrade changes
      Voice REST API
In-app Voice and Video

In-app Voice and Video

Make and receive voice and video calls in your application with our In-app Voice & Video SDKs

Get started

In-App Calling Resources:

Support Community

Customer Dashboard

Sinch.com

Overview

Learn about the In-app calling SDKs

Learn More

Downloads

Download the In-app calling SDKs

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API Reference

Read the full API specification

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