Page 66 - eBOOK FUNDAMENTAL OF TELECOMMUNICATION NETWORK

Service Switching Point (SSP)

SSP is a network element in SS7, which is integrated

with local telephone exchanges (with attached

subscriber lines to them)

SSP converts the dialed number into SS7 signaling

messages and establishes signaling connection with the

SSP of the called user.

SSP establishes, manages and terminates voice

connections. It sends signaling messages to another

SSP via the STP node to which it is connected.

Functions of SSP node:

1. SSP will convert the dialed number into signaling

.
messages to establish the connection
2. Then, SSP will manage the session during voice

conversation.

3. After conversation is ended, the SSP will terminate

the session.

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