Length: 3 days


Description: This course gives you a quick in-depth look at the SS7 protocol from a wireless service provider’s perspective.  CCS, Common Channel Signaling, architecture and protocol structures necessary to carry mobile applications are thoroughly explained.  Emphasis is placed on gaining practical knowledge to decode critical parameters.

Course Outline

CCS Architecture

  • Network elements
  • Modes of operation
  • Signaling links
  • Signaling Point Codes and Subsystems
  • Interconnection

SS7 Protocol – MTP

  • MTP functions
  • Reliable transport
  • Network routing and SLS
  • Routesets
  • Network Management
    • Link management
    • Route management
    • Traffic management
    • Congestion control

SS7 Protocol – SCCP

  • Services provided by the SCCP
  • SCCP messages
  • SCCP message structure
  • The UnitData message
  • Global Title Translation

SS7 Protocol – TCAP & Applications

  • Services offered by TCAP
  • TCAP structure
  • MAP application – ANSI-41 and GSM
  • MAP parameters

SS7 Protocol – ISDN-UP

  • Services offered by ISDN-UP
  • ISDN-UP message structure
  • Content and parameters for trunk setup
  • Practical call flows using ISDN-UP

Exercises are provided in the course, reinforcing a practical understanding of the material.

What You Will Learn

In this course you will learn how today’s mobile networks rely on Common Channel Signaling and the SS7 protocol for intra and inter-system communication.  Practical examples of SS7 protocol structure and message flows are explained.  You will gain valuable understanding of how to analyze information messages for intersystem handoff, seamless roaming and trunk setup.

Who Will Benefit From This Course

This course will be an invaluable tool for those individuals responsible for maintenance and surveillance of the voice or signaling network.  Others who would benefit would include planners, network or traffic engineers, Network Operations or technical support personnel and interconnection specialists.

Course Prerequisites

Basic knowledge of wireline or wireless telephony and signaling would be helpful, but not essential.


All of our instructors have years of experience developing and teaching technical courses at Telcordia Technologies (Bellcore) Learning Services in Lisle, IL.  They are all SS7 certified  and CompTIA CTT+ Certified Professionals.

* This course is provided through special agreement with Telecom Training Associates, Inc.