Transcript SIP and Softswitch

Service Providers: SIP
and Softswitch
Christian Huitema
Architect, Windows Networking
Microsoft Corporation
The Old World: Services
Tied to Switches
Services
The “Softswitch” Illusion:
Tie Services to Access?
Services
Users and Providers
are both missing
opportunities!
IP access network
Internet
Open Networks: More
Innovation!
Service A
Service B
IP access network
Internet
Services
Service C
Innovation Has to Start
with a Transition
1 Billion
Telephones
On Classic Network
New
& improved
Internet
Peak of the Transition, 100
Million Gateway Lines!
SS-7
1 Billion
telephones
Circuits
Signalization
MGCP
Transmission
SIP
New
and improved
Internet
Packets
Key Messages


Competition, open networks, SIP
bring more innovation
Softswitch/MGCP needed to manage
100 million gateway lines