1. Solutions for Unified Enterprise IP Communication Steven J. Johnson President, Ingate Systems Inc.

2. What is Unified IP Communications? Several functions available in an integrated environment –Who is available? (Presence) –Quick questions (Instant messaging) –Telephony (VoIP) –Video Interconnect –SMS –E-mail –Mobile telephony –PSTN

3. Market Forces Save time and money “IP-based services, like IM, unified messaging and audio conferencing, can be created less expensively than traditional phone services” Insight Research, March 21, 2002 “Top business drivers for deploying collaborative solutions include improving customer service, productivity and efficiency gains” Reuters & Gartner Inc. Survey, April 2002 “US online retailers could enjoy increased sales of up to 20% if they deployed IM as an online customer service tool. These extra sales could be worth up to $20B a year” Basex Research, November 2001

4. Usage is Increasing There are already more than 18.5 milion enterprise users of Instant Messaging (IDC, Nov 2001) 50% of all business applications sold by 2005 will have an integrated instant messaging component. (Gartner) Investment in Instant and Unified Messaging applications will grow from 1.1 billion dollars in 2001 to 4.2 billion in 2006. (IDC) The VoIP market will grow from 1.8 billion dollars in 1998 to 23.5 billion in 2003. (IDC)

5. Session Initiation Protocol "Session Initiation Protocol (SIP) management across firewalls integrates many forms of communications with data and processes safely across corporate and consumer boundaries. This opens a huge opportunity for integrated instant messaging and VOIP services to be brought to the mainstream and mission-critical environments.” Dana Gardner, Aberdeen Group, March 22, 2002 “With SIP, it also is easy to combine conversational multimedia services with other categories of services, such as directory information, Web browsing, positioning and presence.” Network World, August 12, 2002 “Session Initiation Protocol (SIP) brings a new dimension to VoIP: cohesion with the Internet.” SearchNetworking, April 25, 2002

6. Adoption of SIP Service providers –MSN, AOL, Yahoo! Carriers –WorldCom, Telia, AT&T, Sprint Suppliers –Cisco, Siemens, CommWorks, Alcatel Microsoft – Windows XP / Messenger

7. Technology Requirements Internet Internet access Registrar Internet routing functions SIP-capable Firewall

8. Mobile users Example – A Small Company Requirements: Internet access SIP-capable Firewall Globen Linköping Dallas Hollis Hallonbergen Internet Bognor Regis

9. Demo

10. Differences from today’s solutions Makes use of the Internet infrastructure Reaches everyone with an Internet access (global connectivity) Cost effective also for small offices Scalable as requirements increase

11. Value Added Services –Conferencing –PBX features Provisioning Additional Features Internet Gateway Interconnect

12. Solutions SIP-capable Firewalls for Data Security and Communications New and Replacement Firewall Installations Preserve Firewall Investment and Retain Established Policies SIParator™ - Add-On to Existing Firewall to Enable SIP Communications

13. Internet SIParator™ Configurations DMZ DMZ Only Firewall logs all activity Two Legged DMZ/LAN Reduced load on firewall Two Legged Stand Alone SIP traffic separated from data traffic

14. SIParator™ Functionality

15. Getting Started Start simple –Prioritize access before functionality Use the Internet instead of expensive proprietary solutions Technology requirements –Internet access –SIP-capable Firewall –Windows

16. The SIP-Capable Enterprise Firewall Company Ingate Systems Inc. 7 Farley Road, Hollis, NH 03049 Phone: 603-883-6569 FAX: 413-460-0414 Email: steve.johnson@ingate.comsteve.johnson@ingate.com www.ingate.com