an exchange fulfilling a service switching function (SSF) which recognizes trigger definitions of intelligent network services and activate an interaction with the service control point when detecting the fulfillment of trigger criteria
Intelligent Network Term for the Class 4/5 Switch. The SSP has an open interface to the IN for switching signalling, control and handoff.
Computerized switches in a local exchange carrier (LEC) network that distinguish 800 calls from ordinary telephone calls. Communicates with the service control point (SCP) to obtain appropriate call routing instructions. Located either in a LEC end office or access tandem.
In telephony, a Service Switching Point (SSP) is the telephone exchange that initially responds, when a telephone caller dials a number, by sending a query to a central database called a Service Control Point (SCP) so that the call can be handled. The Service Switching Point uses the Signalling System 7 (SS7) protocols which are responsible for the call setup, management, and termination with other Service Switching Points.