1. Open Source Communications Options & Opportunities Voice-over-IP Special Interest Group Thursday, May 17, 2007

2. 2 Open Source VoIP, I2 VoIP Special Interest Group May 17, 2007 ACUTA Survey of VoIP Deployment March 07 Reflects the early state of VoIP deployments in the ACUTA universe Likely to shift as ACUTA members begin considering large-scale VoIP deployments - 76% of survey respondents feel more optimistic than 3 years ago 54% have not thought about it

3. 3 Open Source VoIP, I2 VoIP Special Interest Group May 17, 2007 Reference Architecture Is Perfectly Aligned with Open Source Reference Architecture enables a decomposed model … implement best of breed components in vendor neutral manner… Breaking … into components … implement features … in gradual ways that track demand Each campus must be capable of bidirectional SIP … as the primary communication protocol

4. 4 Open Source VoIP, I2 VoIP Special Interest Group May 17, 2007 The Open Source Trend Starting to gain market currency.edu attracted by the same benefits associated with other open source software - Disaggregation and flexibility that favors customers - Open, flexible framework based on SIP - Lower prices; ongoing downward pressure on prices - Faster development cycles & more innovation at every level Can open source become enterprise class and really change the market?

5. 5 Open Source VoIP, I2 VoIP Special Interest Group May 17, 2007 Open Source Myths & Reality MythReality Open source is a security risk because anyone can contribute (malicious) code Open source projects are closely managed by “project maintainers” that control commit access and inspect all submissions Open source is lower quality because no one makes money from it Open source code gets large scale review by SMEs before check-in. Commercializers contribute SQA Open source means self support making it more expensive/impractical to use Most open source is available as a supported product; management tools now very good; plug & play The real issues are (software) maturity and availability of commercial version

6. 6 Open Source VoIP, I2 VoIP Special Interest Group May 17, 2007 SIP Unified Communications Core SIP distributed architecture Real-time communications oriented Works across range; to 5,000 lines (so far) SIP extensions, SIP terminal & application support IP PBX & Media Server TDM-like Voice oriented Small business focus Asterisk-only extensions with SIP terminal support Commercialized by Pingtel Makes money on commercial software Core developers employed by Pingtel Customers generally on Pingtel source Software or full system & support Commercialized by Digium Makes money on Digium cards Core developers employed by Digium Customers generally on open source Cards only, basic software support Major Open Source Communications Projects Other projects include SER and Free Switch

7. 7 Open Source VoIP, I2 VoIP Special Interest Group May 17, 2007 Costs About 50% Less Than TDM or IP PBXs Major cost component is IP phones. Now subject to competition and Moore’s Law

8. 8 Open Source VoIP, I2 VoIP Special Interest Group May 17, 2007 Is It Ready for ? CriteriasipX/SIPxchange Fit Provide meaningful improvement in value & capability Open SIP unified communications core & PBX Drives lower costs; prices approaches maintenance costs Standard, flexible & future proof Deployed to enterprise price & performance needs Must be reliable, deployable & manageable Enterprise-class SQA, packaging & tools High quality development process Full SQA and managed release process Plug & play integration device and apps management Full system management & IT integration No feature compromises All the core features Rapid development cycles Users empowered to extend Supported Commercial support available Installation & integration 7x24 TAC Custom development Just what you would expect, only better and cheaper

9. 9 Open Source VoIP, I2 VoIP Special Interest Group May 17, 2007 Are Colleges and Universities Using Open Source? Absolutely! 1,500 stations. Full deployment 5,000+ 500 stations. Full deployment 2,500 2,000 stations. Full deployment 3,000

10. 10 Open Source VoIP, I2 VoIP Special Interest Group May 17, 2007 Learn More www.pingtel.com www.sipfoundry.org William Rich, President & CEO Pingtel Corp. brich@pingtel.com