Table of Contents

Intellectual Property Rights
Foreword
Modal verbs terminology
Foreword
1 Scope
2 References
3 Definitions and abbreviations
4 Introduction
5 Structure of layer 3 functions
6 Services provided by signalling layer 3 at the
   MS side
7 Services provided by signalling layer 3 on the
   Network side
8 Services assumed from signalling layers 1 and 2
9 Interlayer service interfaces on the MS side
10 Interlayer service interfaces on the Network side
11 L3 Messages
Annex A (informative) - MN-Services arrow diagram
Annex B (informative) - Description of CSN.1
Annex C (informative) - GPRS-Services sequence diagram
Annex D (informative) - Change history
History

Abstract

Describes the principal architecture of layer 3 and its sublayers on the GSM Um interface, i.e. the interface between Mobile Station (MS) and network; for the CM sublayer, the description is restricted to paradigmatic examples, call control, supplementary services, and short message services for non-GPRS services.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	3GPP CT 1