1. Architecture of Community Based ICT Infrastructure Onno W. Purbo Onno@indo.net.id

2. References http://sandbox.bellanet.org/~onno/ http://www.apjii.or.id/onno/ Mailing List wifi4d@dgroups.org

3. After 10+ Years.. 4+ Million Indonesian Internet Users 2500+ WiFi outdoor installations 2000+ CyberCafes 1500+ schools on the Internet Not much gov’t funding & support No World Bank, IMF funding Mostly self-finance

4. The Architecture

5. Key Features Don’t Have To Rely On Telco’s Existance

6. Key Features Use “Unlicensed” Band 2.4GHz & 5.8GHz

7. 2.4GHz Usage in Indonesia 2500+ Installations Virtual No Government Support Definitely No World Bank Funding All Community based 2500+ Internet Cafes / Telecenters 1500+ Schools

8. Key Features Neighborhood Network To Reduce Cost

9. Let Us See Some Details

10. US$70-80 Taiwan Made Access Point Details

11. US$30-50 WLAN Cards Details

12. US$10-30 Homebrew Antenna Details

13. US$200 Internet Telephony Gateway

14. 16 lines Office PBX

15. Some Details on VoIP Freeware Gatekeeper (Phone Switch) PC to PC PC to Internet Telephony Gateway (ITG) PC to PBX Use Telco Phone Number..

16. Some Indonesian Facts 2500+ Registered Users 2-3 Times Unregistered Users 150+ Gatekeepers (Phone Switches) Major Gatekeepers Handle 1000 calls / day All home made by volunteers.. All Started First Week January 2003

17. Traditional & Legal Setup

18. Home Made Gatekeeper Using Free Software

19. Create Number 6288 Area Code

20. The GNU “Free” Gatekeeper

23. Status Port of Gatekeeper

24. Connect Internet Telephony Gateway

25. “Borrow” Telco Number 021 5553333

26. Danger Zone