1. Sonus - Overview
Andrew Mok – Senior Sales Engineer for HK and Taiwan

2. Who is Global Leader in SIP Communications
Fastest Growing SBC Portfolio on the Market
VoIP Foundation of the World’s Largest Networks
Founded in 1998, a 15 years old company 2
Confidential and Proprietary

3. Sonus Snapshot Market Leadership Product Leadership Innovation
Strong Financial Position
Leader in Gartner Magic Quadrant for SBCs
4 of 5 World’s Largest Service Providers Rely on Sonus
Broadest Portfolio of Microsoft Lync Qualified SBCs
Fastest Growing SBC Vendor in the Service Provider Market
~1,100 Employees
71% Engineering
Cumulative R&D Spend Over $650M from Inception
No Debt
Strong Balance Sheet
2012 Revenues $254M 3

4. Confidential and Proprietary4 4

5. Confidential and Proprietary
Headquarters
Westford, MA, USA
Research & Development Centers
Freehold, NJ
Schaumberg, IL
Swindon, UK
Bangalore, India
Customer Service/
Network Ops Center
Richardson, TX
Bangalore, India
Prague, Czech Republic
Tokyo, Japan
Local Offices
Paris, France
Darmstadt, Germany
Dubai, UAE
Sydney, Australia
Beijing, China
Shanghai, China
Hong Kong, China
Taipei, Taiwan
Delhi, India
Tokyo, Japan
Kuala Lumpur, Malaysia
Regional Offices
EMEA - Staines, UK
APAC - Singapore
Local Presence
Italy
Spain
Switzerland
Saudi Arabia
UK – EMEA
Westford, MA
Freehold, NJ
Richardson, TX
Singapore - APAC
Confidential and Proprietary

6. Confidential and Proprietary
Sonus Partnerships
Confidential and Proprietary

7. Sonus Global Service Provider Customer Base
120+ Service Provider and Enterprise networks deployed in over 50 countries
Americas
EMEA
APAC
Strategic Relationships: Over 30 customers have invested $10M+ with Sonus
Confidential and Proprietary

8. Sonus Global UC End Customers

9. Global Enterprise SBC Market
2012 Enterprise SBC Revenue Share
Infonetics Enterprise Session border Controllers, March 2013
Sonus Proprietary and Confidential – use pursuant to NDA

10. Global Enterprise SBC Market
1Q’13 Enterprise SBC Revenue Share
Infonetics Enterprise Session border Controllers, June 2013
Sonus Proprietary and Confidential – use pursuant to NDA

11. Sonus Proprietary and Confidential – use pursuant to NDA
Execution Focus Drives Share Gains
SBC Worldwide Quarterly Market Share
Industry leading share gain
20.1% market share in 1Q’13
Sonus
Infonetics Enterprise Session border Controllers, June 2013
Sonus Proprietary and Confidential – use pursuant to NDA

12. Unifying Unified Communications
The Sonus Mission
Unifying Unified Communications
Using the Cloud
So Businesses Become
More Productive by Working Smarter, Faster & More Collaboratively
Confidential and Proprietary

13. Roadmap Alignment with Growth Markets
UC:
$800M market in 2017*
Lync:
Market leader in Q1, 2013*
Multi-Vendor Env
61% of Enterprises are multi-vendor**
SIP Trunking
$7.5B in 2017; 2012– year CAGR of 40% *
Hosted Solutions:
31% of Business VoIP in 2012*
$10.8B in 2017*
WebRTC expected to be a significant new driver in this market segment
Enterprise Video:
6% CAGR thru 2017
Video key driver for increased UC traffic
SDN & NFV:
Exponential Growth - $1.2 billion by 2018, up from $10 million in 2012 (SDN Market Sizing Report" by SDNCentral and Lightspeed Venture Partners, April 2013 )
LTE:
GSA forecasts commercial LTE networks in 93 countries by end 2013
4G/LTE
SIP
CLOUD
VIDEO
VIRTUALIZATION
Through various mergers and acquisitions, many enterprises have numerous PBX vendors and models resulting in many routing touch points.
Many enterprises are challenged to migrate their networks from TDM to IP or H.323 to SIP. Sonus products are ideal to assist with this migration as we handle circuit and packet along with interworking between SIP and H.323.
UC:
UC market continues to expand; forecast to be $800M in 2017 (Infonetics)
Lync:
Video Conferencing & Telepresence 10% sequential revenue growth in Q4, 2012 to $822M
Lync Momentum continues; 34% of licenses in Q1, 2013 (Infonetics)
Multi-Vendor Env
61% of Enterprises are multi-vendor (Nemertes Research 2013)
SIP Trunking
$7.5B in 2017; 2012– year CAGR of 40% (Infonetics)
50% Enterprises rolling out Hybrid Clouds (IDC Jan 2013 Survey)
Service Provider
Mobile Operator
Cable/MSO
Enterprise
Government
*Infonetics **Nemertes 13

14. Roadmap Alignment with Growth Markets
Lync Interop Enhancements (SBC 1000/2000 & SBC 5000 Series)
SIP CONNECT 1.1 support (SBC 5000 Series)
MS Lync Presence support (SBC 5000 Series)
Lync QoE Server support (SBC 1000/2000)
Application level security (SBC 1000/2000)
Video bypass (SBC 1000/2000)
BroadSoft Interperability (SBC 1000/2000)
Additional features in the planning stage
SIP
UC and Lync
Multi-Vendor Environment
SIP Trunking
Some features are in the planning phase, and not fully committed
2H 2013
1H H 2014 and Beyond

15. Roadmap Alignment with Growth Markets
Lync Interop Enhancements (SBC 1000/2000 & SBC 5000 Series)
SIP CONNECT 1.1 support (SBC 5000 Series)
Video support (SBC 5000 Series)
Software SBC (SBC SWe)
VmWare support (SBC Swe)
Software based transcoding (SBC SWe)
Policy Engine Virtualization (PSX)
WebRTC Support
CLOUD
Hosted UC & VoIP
Hybrid Clouds
WebRTC
Some features are in the planning phase, and not fully committed
2H 2013
1H H 2014 and Beyond

16. Roadmap Alignment with Growth Markets
SIP-SIP and H323-H323 Video Support (SBC 5000 Series)
SIP Based Content Share (BFCP) and FECC for conferencing (SBC 5000 Series)
Enable SBC-5x00 to provide traditional SBC functionality to video (SBC 5000 Series):
CAC, BW controls, codec routing, DOS, sRTP/sRTCP, route PSP policy, etc
Policy Video support for SBC (PSX)
Video pass through (SBC 1000 Series)
Additional Video enhancements (PSX)
Full H.323 video – peer-2-peer, conferencing, collaborative data sharing
SIP/H.323 interworking
WebRTC Support
VIDEO
Enterprise Video
Service Provider Video
Some features are in the planning phase, and not fully committed
2H 2013
1H H 2014 and Beyond

17. Roadmap Alignment with Growth Markets
Software SBC (SBC SWe)
VmWare Support (SBC SWe)
Software based transcoding (SBC SWe)
Juniper SRC Support
Policy Engine Virtualization (PSX)
Systems Management Virtualization (EMS & DSI)
Elasticity, Capacity Features
VIRTUALIZATION
SBC
Policy
Some features are in the planning phase, and not fully committed
2H 2013
1H H 2014 and Beyond

18. Roadmap Alignment with Growth Markets
IMS support (SBC 5000 Series)
Diameter/SBC support (SBC 5000 Series)
Software SBC (SBC SWe)
Additional IMS support (SBC 5000 Series)
Additional Diameter/SBC support (SBC 5000 Series)
10G SBC
Additional IMS support (SBC 5000 Series)
Diameter/SBC enhancements (SBC 5000 Series)
MSRP
4G/LTE
Diameter
VoLTE Interconnect
IMS
Some features are in the planning phase, and not fully committed
2H 2013
1H H 2014 and Beyond

19. Roadmap Highlights 10Gb SBC SBC SWe 4.1 SBC 5K 4.1 SBC 1K/2K 3.1Q
2014
SBC SWe 4.1
Q2/Q
SBC 5K 4.1 Q
2013
SBC 1K/2K 3.1 Q
PSX/GSX/EMS 9.2 Q
PSX/GSX/EMS 9.1 Q
SBC 5K 4.0 Q
SBC SWe 3.x Q
Release not fully committed

20. Thank You