1. Canadian Based Company R&D and Manufacture in Cannada for Interface Card business Found in 1984 Premium provider for voice and data connectivity components for software-based communication application. Focus on OST/Proprietary Used in leading PBX, IVR, Contact Center world-wide. SANGOMA Technology

2. Vibrant Ecosystem Enabled by Sangoma Contact Center OEM Integration with major software suites Carrier and Data Networking Proven Infrastructure Technology Open Source Telephony Ready to use drivers for Sangoma boards Proprietary PBX and IVR Plug-in to major soft-PBX and IVRs

3. Sangoma APIs Build your own app Dahdi FreeTDM DIY Leverage Opensource Leverage Closed sourceAppliances Vega Series SANGOMA and VoIP Gateways

4. Real Enterprise Grade, Gateway product Best Quality and Reliability Competitive pricelist Very Large Interoperate List Best Functionality Voice, FAX and Modem Support Hugely Flexible Call Routing for Fallback and Least Cost Routing Emergency PSTN backup function Failsafe E1 pass-through backup function H.323 and SIP Full Product Range Vega 50, Analog or BRI for 2-10 Ports Vega 5000, Analog for 16, 24, 32, or 50 FXS ports and 2FXO ports Vega 400, E1/T1 for 1 to 4 Ports !! NEW !! Vega Appliance Series Gateway

5. Innovation and Interoperability

6. Why VoIP Gateways? Because the traditional networks and VoIP networks co-exist and they need to communicate Evolutionary Approach to VOIP – Reduced Costs Investment Protection of Existing Infrastructure Highly flexible in terms of adapting to existing customers requirements – particularly Multi-Vendor installations Reduced Cost of Adoption –Installation –Training Better ROI for the Service Provider and the End User

7. Features – All Gateways VoIP Protocols –SIP or H.323 –TLS / SRTP for security (1) Dual LAN + Console Port Management –Web GUI –CLI –RADIUS –SNMP –Syslog –Billing logs Powerful routing capabilities Remote Firmware Upgrade Vocoding –G.711, G.729, G.723, GSM(1) G.168 Echo Cancellation T.38 Fax relay Non Concentrating Enhanced Network Proxy (1) (1)Optional License

8. Vega 400 – 8 to 120 Calls (4 E1) Fixed PSTN Combination –4 T1/E1 main ports –4 T1/E1 failover relay ports –All 4 ports always active VoIP Density –8 to 120 ports (software licenses) DSP Modules for upgrades Internal Power Supply Desktop or 19” rack mount Dimensions –1U –17.2” x 1.7” x 10.8”

9. Fallback ports in case of failure To/From Telco T1/E1 cables Main Unit Failover Unit T1/E1 cables

10. Fallback ports in case of failure To/From Telco T1/E1 cables Main Unit Failover Unit Internal relay trips to connect to failover ports

11. Fallback ports alternative use SIP ISDN ITSP Vega inserted between PBX and PSTN Completely transparent Groom calls to SIP over time Resilience in case of failure or maintenance

12. Fallback ports alternative use T1/E1 cables Internal relay trips to connect PBX to Telco SIP ISDN ITSP To/From Telco To/From PBX

13. Vega 5000 – High Density FXS Gateway Port Combinations –16 FXS + 2 FXO –24 FXS + 2 FXO –32 FXS + 2 FXO –50 FXS + 2 FXO –Fully functional FXO ports –FXO fallback FXS Capabilities –8km loop length support –Secondary protection included –80Vrms ringing Internal Power Supply Dimensions (rack mountable): 17.2” x 1.7” x 10.8”

14. Vega 500 – Low Density Gateway FXS –4 FXS + 2FXO –8 FXS + 2 FXO –Fully functional FXO ports –FXO fallback FXO –4 FXO –8 FXO BRI –2 BRI –4 BRI –8 BRI (1) –NT, TE Support –Phantom power –Pin switching External Power Supply Dimensions: 11.8” x 1.75” x 9.33” Rackmountable

15. Vega 500 – Low Density Gateway FXS –4 FXS + 2FXO –8 FXS + 2 FXO –Fully functional FXO ports –FXO fallback FXO –4 FXO –8 FXO BRI –2 BRI –4 BRI –8 BRI (1) –NT, TE Support –Phantom power –Pin switching External Power Supply Dimensions: 11.8” x 1.75” x 9.33” Rackmountable

16. PBX, TDM Endpoints Previous connection to PSTN: Analogue / BRI / PRI ITSP SIP / VoIP SIP Trunking

17. SIP Trunking with Resilience PBX, TDM Endpoints Analogue BRI PRI ITSP SIP / VoIP PSTN On SIP / www / WAN failure Vega reroutes all calls via PSTN

18. PSTN Trunking for IP PBXs IPBX Snom 3CX Asterisk Cisco Avaya Etc. IP Phones LAN SIP/VoIP PSTN Analogue BRI PRI SIP/VoIP

19. Analogue connectivity for IP PBXs IPBX Snom 3CX Asterisk Cisco Avaya Etc. IP Phones LAN SIP/VoIP PSTN Analogue BRI PRI SIP/VoIP Analog endpoints FXS

20. PSTN access for VoIP Contact Centers IP Call Centers Interactive Intelligence Genesys Vicidial Noble Etc IP Phones + Agent Desktop LAN SIP/VoIP PSTN Analogue BRI PRI SIP/VoIP

21. Remote office survivability - normal IP Phones IP Phones Corporate IP PBX WWW Head Office Remote Office PSTN

22. Remote office survivability - Failover IP Phones IP Phones Corporate IP PBX WWW Head Office Remote Office PSTN

23. Teleworking on Legacy PBX Bi-directional Telephony No change to existing method of use for any user Inter-Teleworker call handling Access to in-office voice applications

24. Voice Traffic Prioritisation 2 LAN interfaces option is software configurable Voice traffic to ITSP over the WAN takes priority over LAN to WAN data traffic When no voice calls are in progress, full bandwidth is provided to data traffic

25. Hosted IP Centrex / Resilience Proxy All calls pass through Vega Proxy Registrar on to ITSP On Internet outage Vega Proxy Registrar assumes control On Internet restoral, calls re-route via ITSP link Proxy Registrar routes calls over PSTN

26. Site to Site SIP Trunking Two sites interconnected by PSTN and Internet Inter-PBX calls route via Internet SIP trunk On Internet outage, calls re-route via PSTN On Internet restoral, calls re-route via SIP trunk