Name of module | Length | Contents (main topics) |
Drivers and enablers | 0,5 | The driving forces behind the evolution of multimedia over IP networks are studied. |
Standardisation | 0,5 | A quick look at who is doing what regarding standardisation. |
The Session Initiation Protocol, SIP | 2 | SIP is the main protocol used in IMS to enable services. The protocol is studied to a level that makes it possible to understand the use of it in IMS. |
The Session Description Protocol, SDP | 1 | SDP is used to describe the media exchanged between subscribers connected to IMS. The protocol is studied in order to understand how media format is encoded. |
Media transport | 0,5 | The transport of media using Real Time Protocol is studied as well as related areas. |
Media encoding | 0,5 | Standard codecs for voice and video are quickly studied. |
Building-blocks of IMS | 1 | IMS is a completely new subsystem of UMTS with many functions distributed in many different network elements. This module describes so to say what the IMS system consists of. |
Procedures in IMS | 2 | This module describes how registration and sessions are handled by IMS by means of some examples (traffic cases). |
Quality of service | 0,5 | Quality of service must be handled in order to create attractive services. This module describes how IMS interacts with GPRS to guarantee quality of service. |
Charging | 0,5 | IMS is able to charge for usage of services and this module describes how charging has been implemented in IMS. |
Voice services in IMS | 3 | Voice services in LTE is studied in general (Volga, VoLTE and CS Fallback) and then a detailed study of the IMS-based solution VoLTE. |
Introduction
This 2-day course gives a broad overview of the IP Multimedia Subsystem that will be an
essential part of future mobile systems. The course then describes how voice services will be
handled in LTE with special focus on the IMS-based solution referred to as Voice over LTE (VoLTE).
Course Objectives
The main objective of this course is to give an overview over IMS in order to understand its
structure and main characteristics. Part objectives are:
Target Group
The course should be seen as a starter for anyone who will directly or indirectly work with
IMS or services executed by IMS such as VoLTE.
Previous Knowledge
The course will touch areas such as Internet and mobile networks (UMST, LTE) but on a
high level. The more the trainees know about today’s mobile network (UMTS and LTE), the
better. It is recommended that trainees have some basic knowledge in Internet protocols
such as IP, TCP, and UDP. However, this is an introduction course and it is possible to
understand the course without this knowledge.
Contents
The course is planned as a 2-day course with theoretical lessons and theoretical exercises.
This means that there are about 6+6 lessons during these two days.
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