CCS7 in GSM Introductory

Overview A comprehensive Introduction to Common Channel Signalling System No 7. Covering the terminology, technology and topology of the Core Signalling System and its application to the GSM network. Duration - 2 Days.

Who will benefit

Network/Systems Engineers/Operators/Planners.

Prerequisites

Introduction to Telecommunications or an understanding of 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: • SS7 Physical Network • Identify the function of the SS7 Network nodes • The functionality of the SS7 Network • The operation of the various protocol elements within SS7 • Functions of the MTP layers • The application of the Network Management procedures • Signalling Connection Control Party protocol and procedures • Transaction Capabilities Application Part protocol and procedures • Mobile Application Part protocol and procedures • The GSM network configuration • The utilisation of SS7 for call setup in the GSM network

Course Content

Introduction Signalling: 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. Signaling Routes. Protocol Overview Overview of the SS7 Layer. The OSI 7 Layer Model, Levels; One, Two, Three, Four. SS7 Protocol, MTP Layers Signalling Message Handling including Message Discrimination, Message Distribution, Message Routing. Signalling Network Management (SNM) including Link Management, Traffic Management, Oute Management. Signalling link alignment including Link states and procedures. SNM message fields and formats. SS7 Protocol, SCCP Layer Signalling Connection Control Part (SCCP) classes. Connection Orientated and Connectionless classes and applications. SCCP protocol structure and primitives. SCCP routing with Point Codes. Subsystems and Global Title Translations. SCCP addressing concepts and message fields. The SS7 Protocol MTP, SCCP, TCAP, TUP, ISUP, 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 Protocol, TCAP and MAP Layers Transaction Capabilities Application Part (TCAP). Transaction Portion message types and Component Portion. Message structure. Unstructured Dialogue. Structured Dialogue. Database types and access. Mobile application part structure and utilities. SS7 in the GSM network GSM network architecture. TCAP functionality. ISUP messages. Call set-up procedures in GSM.