Disrupting the IP Telephony Market

Market Background

The Opportunity Voice over IP and Unified Communications are forces that will cause most companies to upgrade/update their existing telephony systems

Open Source Disrupts Proprietary Alternatives

Function/Application Open Source Solution Open Source ‘defacto’ standards Function/Application Open Source Solution Operating System Linux Web Server Apache Browser Firefox Telephony/Communications Asterisk Database MySQL Customer Relationship Management SugarCRM Backup Zmanda Productivity Suite Open Office Collaboration Suite Zimbra

Open Source Adoption Trends Source: Forrester Research 2/2009

Telephony is becoming IP Telephony

IP Telephony Adoption Leading analysts predict VoIP adoption among US businesses will continue to increase rapidly over the next few years, reaching 79% by 2013, compared to 42% at the end of 2009. IP PBX market will reach $7.9B by 2010 2 Growth in IP Telephony (IPT) systems dominates PBX market segment3 19% CAGR 2. Gartner Group 3. TEQConsult Group

SMB Industry Trends 9

Open Source VoIP Adoption is Growing

PBX & KTS Market Share Source: Eastern Management Group

Asterisk marketshare 88%! Source: Eastern Management Group

Asterisk (Digium) 2,512,179 Nortel 2,632,145 Cisco 1,990,255 Avaya 2008 Largest Suppliers End Points Nortel 2,632,145 Asterisk (Digium) 2,512,179 Cisco 1,990,255 Avaya 1,752,885 Mitel 1,228,887 NEC 1,222,578 2008 New PBX End Points Source: Eastern Management Group

Asterisk Project Overview

Q: What is Asterisk? A: The world’s most popular open source tool kit from which telephony/communications applications can be constructed

Where Asterisk Fits

Who Uses Asterisk? Asterisk scales from very small deployments to massive multi- server clusters. Asterisk is particular appealing in cost-conscious environments including SMB, Midsize Enterprise education, government agencies and not-for-profit organizations

How does Digium fit into Asterisk?

Corporate Roles 19

Switchvox – A Smarter Approach to Unified Communications

Switchvox The Quick List

NO VENDOR LOCK-IN

ALL FEATURES INCLUDED IVR (Interactive Voice Response) Web User Portal Easy web-based management Automatic Call Distribution (Queues) Simple, Effective Reporting Call Recording Automatic Backups Call Rules Customizable Features IVR (Interactive Voice Response) Web User Portal Voicemail to Email Faxes to Email Call Log Call Cascade Call Block Advanced Visibility with The Switchboard

FUTURE PROOF Enterprise features at a price you can afford SWITCHVOX MOBILE CONFERENCING REPORTING CALL LOGGING Enterprise features at a price you can afford RECORDING CALL QUEUES

EASY TO USE Dual system registrations Upload ring tones Switchboard Control from Endpoints Incoming Call Profile Dual system registrations Upload ring tones Distinctive ring/ring hints Multiple language support SNMP

MANY PRODUCTS IN ONE

Saves Big Money Other Other Switchvox Switchvox

Thank You! www.digium.com