GSM Mobile Networks

This online course discusses the structure, components and features of GSM (Global System Mobile) networks and the provision of telephony services using such networks. 

GSM Mobile Networks

Course Description

This course by PTT introduces the provision of a telephony service over the second generation mobile system GSM.  

The GSM course begins by describing the role of, and the interaction between, the components of a GSM network when calls are made to and from a mobile and a telephone in the fixed line PSTN network. Methods of keeping track of the location of mobile devices are described. The way in which information is transferred between mobiles and base station is described. The role of the various protocols employed in GSM networks is described and the application of C7 signalling in a mobile network discussed.

Course Outcomes:
  • Describe the architecture of a GSM network and its component parts
  • Describe telephony services offered by GSM service providers
  • Explain how calls to and from the PSTN (Public Switched Telephone Network) are handled
  • Describe the radio communications between a user's mobile and a GSM mobile operator's fixed network
  • Describe the GSM methods for keeping in touch with mobiles as they move with reference to handover, roaming and location updates
  • Describe the TDMA multiframe structures used in GSM radio channels and the role of the various channels
  • Describe the role of, and relationship between, the various protocols used in GSM systems
  • Describe the application of MAP and ISUP signalling messages to location tracking, call establishment and handover
Course Details:

Target Audience

This online course is designed for those who are, or intend to be, involved in the planning, installation, provisioning or maintenance of GSM (2G) systems.

Access Timeframe

1 Year


Before studying this online GSM course you should have an understanding of the structure of mobile networks, including the components of the core network. You should also be familiar with the terms authentication and authorisation and with the basics of radio propagation. The PTT courses Introduction to Mobile Systems and Mobile Radio Communications cover these topics.
Certificate Info:

Type of Certification

Certificate of Completion

Format of Certification


Method of Obtaining Certification

Upon successful completion of the course, the learner can download a certificate.

Technical Requirements

To access the course, a PC running a browser such as Internet Explorer 6 or above, Firefox 2 or above, Google Chrome or Safari is required. The PC should have Internet access and be running Flash version 8 or above. A screen resolution of at least 1024x768 is necessary.


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