---
title: "Watch WebRTC Live # 79: Building a ClickToCall Application with the Amazon Chime SDK – WebRTC.ventures"
description: For our 79th episode of WebRTC Live, Arin sat down with Amazon Chime SDK (AWS) Head of Developer Advocacy, Court Schuett, for in depth look at how to use WebRTC with the Amazon Chime SDK to create a Click to Call application that will bridge WebRTC to SIP.
image: https://blog.webrtc.ventures/hubfs/Imported_Blog_Media/WebRTC-Live-79-CLICK-TO-CALL.png
---

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 May 24, 2023 12:00:00 AM

# Watch WebRTC Live # 79: Building a ClickToCall Application with the Amazon Chime SDK

![Picture of Jen Oppenheimer](https://blog.webrtc.ventures/hs-fs/hubfs/Our-Team-Jen.jpg?width=50&name=Our-Team-Jen.jpg) [Jen Oppenheimer](https://blog.webrtc.ventures/author/jen-oppenheimer)

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On May 24, 2023, [Arin Sime](https://www.linkedin.com/in/arinsime/) welcomed Amazon Chime SDK (AWS) Head of Developer Advocacy, [Court Schuett](https://www.linkedin.com/in/courtschuett/) to WebRTC Live. Court gave us an in depth look at how to use WebRTC with the Amazon Chime SDK to create a Click to Call application that will bridge WebRTC to SIP.

Court began by giving some introduction on the topics he will be discussing, beginning with a description of the two main Amazon Chime SDK offerings pertinent to this discussion. 

## Amazon Chime SDK WebRTC media services 

[![](https://blog.webrtc.ventures/hs-fs/hubfs/Imported_Blog_Media/AmazonChimeSDK_WebRTCMedia.png?width=528&height=344&name=AmazonChimeSDK_WebRTCMedia.png) ![](https://blog.webrtc.ventures/hs-fs/hubfs/Imported_Blog_Media/AmazonChimeSDK_WebRTCMedia.png?width=528&height=344&name=AmazonChimeSDK_WebRTCMedia.png)](https://blog.webrtc.ventures/hubfs/Imported_Blog_Media/AmazonChimeSDK_WebRTCMedia.png)

Amazon Chime SDK media services consist of two different components that work together to add real-time voice and video to an application. [AWS media servers](https://aws.amazon.com/media-services/) provide the back end, which pairs with these front-end clients:

- [**JavaScript Client SDK**](https://github.com/aws/amazon-chime-sdk-js) – ​​Embed in client-side application to initiate, control, and terminate media sessions
- [**iOS and Android Client SDK**](https://github.com/aws/amazon-chime-sdk-ios) – Embed in native mobile applications to initiate, control, and terminate media sessions
- [**Components SDK**](https://github.com/aws/amazon-chime-sdk-component-library-react) – React components for common UI 

## Amazon Chime SDK Telephony Services 

[![](https://blog.webrtc.ventures/hs-fs/hubfs/Imported_Blog_Media/AmazonChimeSDK_TelephoneServices.png?width=568&height=375&name=AmazonChimeSDK_TelephoneServices.png) ![](https://blog.webrtc.ventures/hs-fs/hubfs/Imported_Blog_Media/AmazonChimeSDK_TelephoneServices.png?width=568&height=375&name=AmazonChimeSDK_TelephoneServices.png)](https://blog.webrtc.ventures/hubfs/Imported_Blog_Media/AmazonChimeSDK_TelephoneServices.png)

Amazon Chime SDK Telephony Services provide scalable, pay as you go SIP trunking for inbound and outbound calling, SIPREC, and programmable voice. There are three main groupings, as below. The last, PSTN audio, is the focus of Court’s demo. 

- **[Call Analytics](https://docs.aws.amazon.com/chime-sdk/latest/dg/call-analytics.html)** – Generate real-time voice analytics insights from speaker search and voice tone analysis, as well as transcriptions and insights such as call categorization and post-call summaries through pre-built integrations with [Amazon Transcribe](https://aws.amazon.com/pm/transcribe) and [Amazon Transcribe Call Analytics](https://aws.amazon.com/transcribe/call-analytics/)
- [**SIP Trunking**](https://docs.aws.amazon.com/whitepapers/latest/real-time-communication-on-aws/highly-available-sip-trunking-with-amazon-chime-voice-connector.html) – Connect your SIP endpoint to an [Amazon Chime SDK Voice Connector](https://docs.aws.amazon.com/chime-sdk/latest/ag/voice-connectors.html) for SIP access to PSTN Audio, SIPREC recording, or PSTN access.
- [**PSTN Audio**](https://docs.aws.amazon.com/chime-sdk/latest/dg/build-lambdas-for-sip-sdk.html) – Build voice self-service applications, outbound voice notifications, and meeting join authentication using [AWS Lambda](https://aws.amazon.com/pm/lambda) serverless. Scale to thousands of simultaneous calls. 

## Bridging WebRTC and SIP with the Amazon Chime SDK

Court’s demo and code snippets showing us how to bridge these two pieces together to create a ClickToCall application starts at about the 8 minute mark. [The code is also available on Github](https://github.com/aws-samples/amazon-chime-sdk-click-to-call). 

## [Watch Episode 79!](https://www.youtube.com/live/xqLembZMFhI)

---

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