1. AT&T Enhanced WebRTC API Beta © 2015 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change.

2. AT&T Enhanced WebRTC API What We Learned Why We Are Doing This Agenda © 2015 AT&T Intellectual Property. All rights reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property. AT&T Proprietary (Internal Use Only) Not for use or disclosure outside the AT&T companies except under written agreement. 2 AT&T Enhanced WebRTC API Beta

3. As the first US carrier to announce Enhanced WebRTC support, AT&T may have just unleashed a new era in voice and video communication. ProgrammableWeb, January 8, 2015 http://www.programmableweb.com/news/att-launches-enhanced- webrtc-api-beta/2015/01/08 © 2015 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change. 3 AT&T Enhanced WebRTC API Beta

4. © 2015 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change. 4 WebRTC Overview WebRTC is an evolving standard that enables web browsers with Real-Time Communications (RTC) via simple JavaScript (JS) APIs GetUserMedia Control of camera, microphone and speakers PeerConnection Connect two endpoints (browser & server) AT&T Enhanced WebRTC API Beta

5. AT&T Enhanced WebRTC API - Flexible Numbering Options © 2015 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change. 5 Account ID Virtual Number 12 3 45 6 78 9 #0 * AT&T Mobile Number AT&T Enhanced WebRTC API Beta

6. AT&T Enhanced WebRTC API - Feature Overview 6 Basic Calling Make/Receive Audio/Video Hold/Resume Basic Calling Make/Receive Audio/Video Hold/Resume Conferencing Audio/Video Add/Remove Participant End Conference Conferencing Audio/Video Add/Remove Participant End Conference Advanced Calling Move calls from browser-based devices Transfer calls between devices 2nd Call/Switch Advanced Calling Move calls from browser-based devices Transfer calls between devices 2nd Call/Switch Complete Calling Solution Call To & From Connected Devices: © 2015 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change. AT&T Enhanced WebRTC API Beta

7. Beta Details The AT&T Enhanced WebRTC API is in Beta status Open to anyone It can be used to create proofs of concept and shared with 100 friends and family While in Beta status, we do not charge for usage Monthly fee for Virtual Number Rentals AT&T Enhanced WebRTC API – Pricing & Availability © 2015 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change. AT&T Enhanced WebRTC API Beta 7

8. Start a free trial today: http://developer.att.com/webrtc © 2015 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change. AT&T Enhanced WebRTC API Beta 8

9. Developers love Calling options – AT&T Mobile Number, Virtual Number or Account ID Being able to call out of a browser Being able to call into a browser Developers are looking for Data Channel – and some of the features it offers Native app support What We Have Learned © 2015 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change. AT&T Enhanced WebRTC API Beta 9

10. Our network allows us to add value Supports our history of opening access to our network and services to developers Stay relevant in the developer space Create unique experiences for customers we share Why We Are Doing This © 2015 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change. AT&T Enhanced WebRTC API Beta 10

11. 11 © 2015 AT&T Intellectual Property. All rights reserved. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or AT&T affiliated companies. The information contained herein is not an offer, commitment, representation or warranty by AT&T and is subject to change.