CCS7

Overview An overview of Common Channel Signalling System No 7. Covering the terminology, technology and topology of the Core Signalling System. Duration - 1 Day.

Who will benefit

Network/Systems Engineers/Operators/Planners, or any personnel who require a basic understanding of SS7.

Prerequisites

Introduction to Telecommunications technology.

By the end of the course delegates will be able to describe:

By the end of the course delegates will be able to describe: • The SS7 Physical Network • Identify and describe the function of the SS7 Network nodes • Functionality of the SS7 Network • The operation of the various protocol elements within SS7 • The procedure for a free phone (0800) database inquiry • Basic call set-up and clear (ISUP) within SS7 • The functions of the MTP layers • The application of the Network Management procedures • The Signalling Connection Control Part protocol and procedures • The Transaction Capabilities Application Part protocol and procedures

Course Content

Introduction Per Trunk Signalling, Common Channel Signalling. SS7 Signalling Types - Connection Oriented Signalling, Connectionless Signalling. Modes of Operation - Associated Mode, Quasi-Associated Mode. The SS7 Network - Service Switching Point, Signalling Transfer Point, Service Control Point, Call Management Services Database, Number Portability Database, Line Information Database, Home Location Register, Visitor Location Register. Signalling Links - Link Types, Link sets, Signalling Routes. Protocol Overview Overview of the SS7 Layer The OSI 7 Layer Model - Levels 1, 2, 3, 4. The SS7 Protocol Message Transfer Part, Signalling Connection Control Part, Transaction Capabilities Application Part, Telephone user Part, ISDN User Part, SS7 Signalling Units. Network Addressing - Point Codes, Global Title Translations. The SS7 Signalling Units - Overview, Fill-In Signal Units, Link Status Signal Units, Message Signal Units. Signal Unit Fields - Length Indicator, Flag, Service Information Octet, Backward Sequence Number, Backward Indicator Bit, Forward Sequence Number, Forward Indicator Bit. Flow Control - Primitives. SS7 Consolidation and Expansion Overview - Evolution, Abilities. Message Transfer Part - MTP Level 1, MTP Level 2. MTP level 3, Signalling Message Handling, Signalling Network Management. Signalling Connection Control Part - Connection Orientated Signalling, Connectionless Signalling, Global Title Translations. Transaction Capabilities Application Part - Transaction Portion, Component Portion, Unstructured Dialogue, Structured Dialogue. User Part - Telephone User Part, British Telephone User Part, BTUP Messages, ISUP User Part, ISUP Messages, Basic ISUP Call Control.