Table of Contents

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
4 Introduction
5 Not used
6 Network Characteristics
  6.1 Key Characteristics of Networks Concerned
7 Interworking classifications
  7.1 Service interworking
  7.2 Network interworking
  7.3 Signalling interworking
  7.4 Numbering
  7.5 Supplementary service interworking
8 Compatibility and subscription checking
9 Interworking to PSTN
  9.1 Speech Calls
  9.2 Data Calls
  9.3 Interworking Alternate Speech/Data Calls
10 Interworking to the ISDN
   10.1 Speech Calls
   10.2 Data Calls
   10.3 Interworking Alternate speech data calls
11 Frame Synchronization
   11.1 Initial frame synchronization
   11.2 Action on loss of frame synchronization
12 Call Clearing
Annex A (Informative): SDLs
Annex B (informative): General mapping of V.24 circuits
                       to channel status bits
Annex C (Informative): Change history
History

Abstract

Identifies the Mobile-services Switching Centre/Interworking Functions (MSC/IWFs) and requirements to support interworking between: a) PLMN and PSTN b) PLMN and ISDN The requirements for voice and non-voice (data) calls are considered separately.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 3