1. Voice Over IP Peter Cochrane

2. Changes will be mega-destructive… BlueTooth Ultra Wideband WiFi + WiMax MP3 Voice Over Internet Protocol (VOIP) Radio Frequency Identification (RFID) Blogs & Video Blogs …are only the start

3. We can only guess/imagine what our networks will be expected to support in the next decade/s…and it is the customers who decide and not the companies Peter Cochrane 1995

4. Network Laws - Broadcast 1 2 3 4 n Connectivity = < n/2 One way only Not all are always on

5. Network Laws - Telephone 1 2 3 4 n < n/2 Broadcast 1 34 5 2 < n(n-1)/2 ~n 2 Bothways - Customer Control Availability >99%

6. Network Laws - Internet 1 2 3 4 n < n/2 Broadcast Telephone < n(n-1)/2 ~n 2 1 34 5 2 1 2 N 3 4 5 1 2 …n N n Always - customer control Availability >95%

7. How many friends do you have…...how many people do you know? Separation People You Know 0=>30=>300 1=>900=>90,000 2=>27,000=>27,000,000 3=>810,000=>8,100,000,000 4=>24,300,000 5=>729,000,000 6=>21,870,000,000

8. The Telephone Network Dedicated point to point connections based on old analogue technologies spanning >100 years Reliable, dependable, well developed, well understood, but limited and in decline

9. From fixed line to…. …..Mobile From talk to…..Text

10. Millions 199619971998199920002001200220042005 1,400 1,200 1,000 800 600 400 200 0 WEB Mobile Phones Cellular Mobile Customers PC's on Line Fixed Line Phones VOIP Mobile Devices A dying circuit switched network A growing IP network PSTN v Packet Switched (IP - VOIP) Space 1Bn 2003 2005

11. Local Region National International Switches Gateway XXX X X X X X X X AnalogueAnalogue Digital Telephone Basics

12. IP - Packet Switched Networks S R S Server Router/Switch RR R R R R R Packets of bits in serial transmission Packets arrive in wrong order & have to be reassembled correctly

13. Voice Over Packet Switched Networks (VOIP) S R S Server Router/Switch -Telephone -Mobile -Headset RR R R R R R

14. Telco VOIP S R S ServerRouter -Telephone -Mobile -Headset RX Nailed Down Routers & Switches

15. Circuit to Packet …. Cost Reduced to 10%

16. Death to the PBX? X WiFi/BlueTooth Mobile/ PDA PBX VOIP Gateway PSTN Circuit Switched Network Internet Intranet

17. A world of opportunity & risk…. Thank you, cochrane.org.uk conceptlabs.net