1. Steven J. Johnson President, Ingate Systems Inc. Enabling Trusted Unified Communications

2. Sept. 2009 Enabling SIP Trunking 2 Welcome Ingate’s SIP Trunking Workshop

3. Sept. 2009 Enabling SIP Trunking 3 Ingate Systems Founded in 2001 – SIP aware firewall HW & SW technology Headquarters in Stockholm, Sweden –Ingate Systems Inc. subsidiary in Hollis, NH and Ottawa, Canada Focused development of SIP enabling security technology World leading Enterprise Session Border Controller – the Ingate SIParator ® – Driving SIP Trunking education

4. Sept. 2009 Enabling SIP Trunking 4 Global Customer Base Over 5,000 units installed Products covering 5 -10,000 seats Ingate Products are the choice of a broad range of customers SIParator 19SIParator 50, 55 & 65 SIParator 95

5. Sept. 2009 Enabling SIP Trunking 5 What is SIP Trunking? Ingate SIParator PSTN gateway IP-PBX Firewall IP Network PSTN Service Provider SIP trunking is the IP connection between an IP-PBX and a service provider

6. Sept. 2009 Enabling SIP Trunking 6 SIP Trunking is Hot SIP Trunking is currently the fastest- growing segment of VoIP services. It’s expected to have an 89 percent CAGR from 2008 to 2013. –Infonetics Research

7. Sept. 2009 Enabling SIP Trunking 7 SIP Trunking is only the Beginning “To date, SIP trunking has been largely focused on recreating current TDM voice services (“trunks”) over IP. While useful, that’s only one possible use. We see the true market potential of SIP trunking in its ability to act as a hosted services “conduit” and to carry media other than standard PSTN quality voice – capabilities impossible with TDM.” - Broadsoft

8. Sept. 2009 Enabling SIP Trunking 8 NAT/Firewall Traversal Problem when SIP Trunking over the Internet PSTN Public Internet SIP Trunking Provider GW IP-PBX Firewall SIP Trunking does not pass a SIP unaware NAT/firewall! …and the firewall cannot be opened enough to make it work because of NAT. SIP System

9. Sept. 2009 Enabling SIP Trunking 9? UC? With a SIP Trunk over the Internet, it is not really an option to just connect it to a VoIP LAN. Data LAN Firewall IP-PBX SIP Trunk Over the Internet VoIP LAN No Soft or Multimedia Clients! Severe Security Warning! No one wants the whole Voice LAN exposed to the Internet. Any extra firewall here needs to be SIP aware or widely open. PSTN Public Internet SIP Trunking Provider GW SIP System Who will issue a public white IP addresses to every Phone?

10. Sept. 2009 Enabling SIP Trunking 10 Data LAN Ingate Firewall ® Creating a Common Data and VoIP LAN for SIP-Trunking over the Internet PSTN Public Internet SIP Trunking Provider GW SIP System IP PBX Firewall Soft Clients and Multimedia Terminals Demarcation point and bringing SIP communication to the LAN Data & VoIP LAN with QoS SIP Trunk over Internet Ingate Firewall® Remote Users Service Provider

11. Sept. 2009 Enabling SIP Trunking 11 Data LAN Ingate SIParator ® Used with Existing Firewall for SIP Trunking Service over Internet PSTN Public Internet SIP Trunking Provider GW SIP System IP-PBX Firewall Soft Clients and Multimedia Terminals Demarcation point and bringing SIP communication to the LAN Data & VoIP LAN SIP Trunk over Internet Ingate SIParator® Remote Users Service Provider

12. Sept. 2009 Enabling SIP Trunking 12 Managed SIP Trunk Connected to Separate Enterprise VoIP LAN in Operator’s Space PSTN Public Internet SIP Trunking Provider Network GW SIP System Data LAN Firewall IP-PBX Managed SIP Trunk No Remote Users! VoIP LAN Provider: Security Warning! Enterprise: Security Warning!? UC? No Soft or Multimedia Clients! Will Service Provider issue IP addresses to every Phone?

13. Sept. 2009 Enabling SIP Trunking 13 SIP Trunking Provider Network Ingate Firewall ® Creating a Common Data and VoIP LAN for Managed SIP Trunking Service PSTN Public Internet GW SIP System Data & VoIP LAN IP-PBX Demarcation point and SIP communication via both WAN pipes. Soft Clients and Multimedia Terminals Remote Users Managed SIP Trunk Ingate Firewall® Service Provider

14. Sept. 2009 Enabling SIP Trunking 14 SIP Trunking Provider Network Ingate SIParator ® Used with Existing Firewall for Managed SIP Trunking Service PSTN Public Internet GW SIP System Data & VoIP LAN IP-PBX Demarcation point and SIP communication via both WAN pipes. Soft Clients and Multimedia Terminals Managed SIP Trunk Ingate SIParator® Remote Users Firewall Service Provider

15. Sept. 2009 Enabling SIP Trunking 15 The SIP Trunking Challenge "Interoperability is a challenge facing SIP trunking. There are organizations such as the SIP Forum looking to solve such problems, but at the end of the day, realized end-to-end solutions for customers with multiple vendor and service provider solutions will continue to be an obstacle," (Rebecca Swensen, Research Analyst, IDC) Solution: Ingate

16. Sept. 2009 Enabling SIP Trunking 16 Confirmed Interoperability SIP Trunk Ingate SIParator ® -or- Ingate Firewall  3Com  Aastra  Digium / Asterisk  Avaya  Cisco Call Manager  Ericsson MX-One  Fonality  Innovaphone  Interactive Intelligence  Iwatsu  Microsoft  Mitel  NEC / Sphere  Nortel  Objectworld  Pingtel  SER  Shoretel  Siemens  SIP-Gear  Swyx More in pipeline.... Compliant with  360 Networks  AGN Networks  AT&T  BandTel  Bandwidth.com  Broadvox  Cbeyond  Cellip  Cordia Corporation  Deltacom  Excel Switching  Gamma  Global Crossing  IP-Only  Level 3  Netlogic  NetSolutions  Nexvortex  Nuvox  One Comm.  Paetec  Primus  TDC  Tele2  Toplink  Verizon  VoEX  VoIP Unlimited  Voxbone More in pipeline..... Service providers IP-PBXs Carrier Equipment  Acme Packet  Broadsoft  NexTone  Sonus See: www.siptrunk.org

17. Sept. 2009 Enabling SIP Trunking 17 SIP Trunking and Beyond Ingate contributes with 10 years of experience and SIP product development Products based on ICSA Lab Certified firewall Built for integrated VoIP and IP LAN traffic including: –NAT/Firewall traversal –Interoperability between PBX and Service Providers –Quality of Service (QoS) –Security –Demarcation point of Service –Connecting remote users to the PBX Unified Communications ready

18. Sept. 2009 Enabling SIP Trunking 18 Enabling Technologies for Secure SIP Communications Ingate Systems Steven J. Johnson 603-883-6569 steve@ingate.com www.ingate.com