1. @ARISIGAL7 ARI@TWILIO.CO M © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED ARI SIGAL SECURING SIP TRUNKS IN THE CLOUD

2. © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED COMMUNICATIONS SECURITY @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL SIP TRUNKING HAS BEEN AROUND FOR NEARLY TWO DECADES, YET INFONETICS FOUND LESS THAN HALF OF BUSINESSES HAVE MADE THE SWITCH. WHY?

3. © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED @ARISIGAL7 PRODUCT MARKETING ARI SIGAL TRADITIONALLY CITED BENEFITS OF SIP TRUNKING Flexibility offered by the Internet Fault tolerant routing & robust Disaster Recover Cost savings

4. Move from cap ex to op ex Pay-as-you-go pricing model Fast time to market Extend service footprint & reach Business continuity xComplex capacity planning xLengthy procurement process xService limited to one region xDisaster Recovery is really just call forwarding Cloud Service DeliveryTypical SIP Trunking Delivery ✓ Transparent per minute pricing ✓ On demand scaling & instant provisioning ✓ Global service and phone numbers ✓ Robust Disaster Recovery through WebRTC Cloud Delivered SIP Trunks

5. © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL ELASTIC SIP TRUNKS VIA THE CLOUD Instantly provision global voice connectivity for VoIP infrastructure. VS CONVENTIONAL SIP TRUNKING PER COUNTRY CONTRACTS and long procurement ON DEMAND SCALING and instant provisioning 23 CHANNELS /T1 and complex capacity planning CALL RECORDING ON-PREM HARDWARE or expensive per user fees MULTI-CHANNEL SMS & MMS ENABLED EXTENSIBLE W / WEBRTC POTS GO GLOBAL IN MINUTES large phone number inventory API FOR WHITE LABELING MANUAL CONFIGURATION

6. © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL SIP TRUNKS: NOT JUST FOR THE ENTERPRISE Customer deployments not just at enterprises sites & on-prem call centers, but also across a variety of software services with PSTN integrations: ✓ Big data software ✓ Video-conferencing software ✓ Education software ✓ Cloud Call Center SaaS offerings ✓ Property management software

7. © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL “We partnered with Twilio for SIP Trunking because it's like getting voice connectivity from every carrier in the world, with a pay-as-you-go pricing model.” - Michael Helmbrecht, Chief Product Officer - Lifesize © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED LIFESIZE PROVISIONED TWILIO ELASTIC SIP TRUNKS IN 50 COUNTRIES INSTANTLY @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL

8. © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED COMMUNICATIONS SECURITY @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL SIP TRUNKING HAS BEEN AROUND FOR NEARLY TWO DECADES, YET INFONETICS FOUND LESS THAN HALF OF BUSINESSES HAVE MADE THE SWITCH. WHY?

9. © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED SECURITY IS THE KEY BOTTLENECK IN CLOUD ADOPTION @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL Source: Cloud Communications Survey NoJitter

10. © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED COMMUNICATIONS SECURITY @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL $46 BILLION IN 2013 TELECOM FRAUD Communications Fraud Control Association INDUSTRY SPECIFIC REGULATORY REQUIREMENTS TOLL- FRAUD PBX HIJACKING ACCOUNT TAKEOVER/IDENTITY THEFT

11. © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED @ARISIGAL7 PRODUCT MARKETING ARI SIGAL SECURING SIP TRUNKS IN THE CLOUD Instant encryption Private connections to cloud service providers MPLS interconnect Peering - dedicated physical cross-connect

12. © 2009-2014 TWILIO, INC. ALL RIGHTS RESERVED THE BUILDING BLOCKS FOR BETTER COMMUNICATIONS EXPERIENCES @ARISIGAL7 PRODUCT MARKETING ARI SIGAL INTELLIGENT ROUTING IN-APP EXPERIENCES PSTN Voice, SMS, MMS, SIP Interfaces and VoIP SDKs made available as modular building blocks TaskRouter is the beating heart of a call center, made available as a vendor agnostic Cloud API Deliver the richest most contextual experiences with IP communication SDKs COMMUNICATI ON API’S Global carrier connectivity provides multi-function numbers and unrivaled reliability CARRIER CONNECTIVIT Y

13. © 2009-2015 TWILIO, INC. ALL RIGHTS RESERVED @ARISIGAL7 ARI@TWILIO.CO M ARI SIGAL @ARISIGAL7 ARI@TWILIO.COM

14. HTTPS://WWW.TW ILIO.COM/SIP- TRUNKING