• Describe the evolution of SS7.
• Identify the component parts of SS7.
• Describe the basic method of operation of SS7.
• Describe a basic call set-up and clear within SS7.

SS7 training course contents

Introduction
Digital Signalling, CAS, CAS Applications, CCS, Layer 1, Layer 2 (HDLC), Layer 3, Evolution of SS7, Common SS7 functions.

Physical Functionality
SS7 Topology, Service Switching Point (SSP), Signalling Transfer Point (STP), Service Control Point (SCP), Database Types, CMSDB, NP, LIDB, HLR, VLR, Signalling Modes, Link Types, Further Redundancy, Linksets, Signalling Routes.

Addressing
Addressing in SS7, E.164, ANSI PC’s, ITU-T (CCITT) PC’s, Connecting Networks (ISP’s/NSP’s).

Message Transfer Part
SS7 Protocol Stack, MTP Level 1, MTP Level 2, Signalling Units, Flow Control, Fill In Signalling Unit (FISU), Link Status Signalling Unit (LSSU), Message Signalling Unit (MSU), MTP Level 3.

Application and User Parts
Signalling Connection Control Part (SCCP), Transaction Capabilities Application Part (TCAP), Telephone User Part, BTUP, ISDN User Part (ISUP), ISUP – Supplementary Services, ISUP – Call, Call Set-up over SS7.

The Intelligent Network
Function of IN, Evolution of IN, Conceptual Model, Target Services and Service Features, Independent Building Blocks.