Mobile Telephony

It has really evolved.

Circuit Switching, transitioning to Packet Switching

Call Control

When you dial 1-800-GOODYEAR, you don’t know where you are going.

Service Switching Point (SSP) Service Control Point (SCP)

The SCP helps them route it. SCP has a database. It returns you a local number.

Call Control & Service Logic. And this ties back to the Telecommunications architecture, the separation of the service layer and common core layer.