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Architecture of Community Based ICT Infrastructure Onno W. Purbo Onno@indo.net.id Slide 2 References http://sandbox.bellanet.org/~onno/ http://www.apjii.or.id/onno/ Mailing List wifi4d@dgroups.org Slide 3 After 10+ Years.. 4+ Million Indonesian Internet Users 2500+ WiFi outdoor installations 2000+ CyberCafes 1500+ schools on the Internet Not much govt funding & support No World Bank, IMF funding Mostly self-finance Slide 4 The Architecture Slide 5 Key Features Dont Have To Rely On Telcos Existance Slide 6 Key Features Use Unlicensed Band 2.4GHz & 5.8GHz Slide 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 Slide 8 Key Features Neighborhood Network To Reduce Cost Slide 9 Let Us See Some Details Slide 10 US$70-80 Taiwan Made Access Point Details Slide 11 US$30-50 WLAN Cards Details Slide 12 US$10-30 Homebrew Antenna Details Slide 13 US$200 Internet Telephony Gateway Slide 14 16 lines Office PBX Slide 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.. Slide 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 Slide 17 Traditional & Legal Setup Slide 18 Home Made Gatekeeper Using Free Software Slide 19 Create Number 6288 Area Code Slide 20 The GNU Free Gatekeeper Slide 21 Slide 22 Slide 23 Status Port of Gatekeeper Slide 24 Connect Internet Telephony Gateway Slide 25 Borrow Telco Number 021 5553333 Slide 26 Danger Zone