Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
4 General routeing rules
5 Routeing of a call from a subscriber served by the
  HPLMN
6 Routeing of a call from a subscriber in the same
  country as the HPLMN but not served by the HPLMN
  6.1 Interrogation by a Gateway MSC
  6.2 Interrogation by the Originating LE
7 Routeing of a call from a subscriber in a different
  country from the HPLMN
  7.1 Interrogation by a Gateway MSC
  7.2 Interrogation by the Incoming ISC in the
      Destination Country
  7.3 Interrogation by the Outgoing ISC in the
      Originating Country
8 Impact of supplementary services
  8.1 Call Forwarding
  8.2 Closed User Group
  8.3 Barring of Incoming Calls
  8.4 Supplementary Service Incompatibility
9 Unsuccessful call setup
  9.1 Roaming Not Allowed
  9.2 VPLMN Cannot Support The Required Service
  9.3 HLR Restart
History

Abstract

Specifies how the routeing process can be performed, and considers the effect on the routeing process of the capabilities of the exchanges involved.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 3
Supersedes	PRETS 300 524 : MAY 94