1. Service Providers: SIP and Softswitch Christian Huitema Architect, Windows Networking Microsoft Corporation

2. Services The Old World: Services Tied to Switches

3. IP access network Internet The “Softswitch” Illusion: Tie Services to Access? Services Users and Providers are both missing opportunities!

4. Service A IP access network Internet Service B Service C Open Networks: More Innovation! Services

5. Innovation Has to Start with a Transition New & improved Internet 1 Billion Telephones On Classic Network

6. Peak of the Transition, 100 Million Gateway Lines! 1 Billion telephones New and improved Internet Signalization Transmission CircuitsPackets SIPSS-7 MGCP

7. Key Messages Competition, open networks, SIP bring more innovation Competition, open networks, SIP bring more innovation Softswitch/MGCP needed to manage 100 million gateway lines Softswitch/MGCP needed to manage 100 million gateway lines