SS7 Engineering

3 Days / 5 Live Online Sessions (0900-1230) / Technical Level: Level 3

Course Code: QS2500

Course Summary

SS7 is a key element in the control plane of fixed and mobile networks and in Intelligent Network scenarios. It facilitates communication between SS7 hosted ‘applications’ enabling end-to-end service delivery. This course provides a comprehensive description of SS7 protocols, functions and procedures.

Who would benefit

Those who need a detailed understanding of the implementation and functions of SS7.


An understanding of the PSTN architecture and circuit- and packet-switched concepts, together with a working knowledge of the OSI Model and primary rate (E1/T1) bearers.

Topic Areas Include

  • Overview of signalling and signalling system

  • SS7 architecture: SP, STPs, Links, Link Sets, Routes and Route Sets

  • Point Codes functions and formats

  • Message Transfer Part (MTP) levels 1, 2 and 3

  • MTP error control, routing and loadsharing principles and user identification

  • The ISDN User Part call control and supplementary services

  • Signalling Connection Control Part (SCCP) functions and services

  • SCCP connectionless and connection-oriented services applications

  • SCCP Global Title routing and segmentation function

  • Transaction Capabilities (TCAP) protocol stack and usage scenarios

  • TCAP Component Sublayer and Transaction Sublayer

  • Component-handling and transaction-handling functions and procedures

  • The Dialogue Portion and application context negotiation

  • SS7 applications in Intelligent Networks and Mobile Networks

  • Introduction to SS7 over IP

Includes practical exercises analysing MTP, SCCP, ISUP and TCAP signalling traces.