Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
4 Role, functional composition of MSCs and interfaces
  for handover
  4.1 MSC-A
  4.2 MSC-B
5 Handover initiation conditions
6 General description of the procedures for intra -
  MSC handovers
  6.1 Procedure for Intra-MSC Handovers
7 General description of the procedures for inter -
  MSC handovers
  7.1 Basic handover procedure requiring a circuit
      connection between MSC-A and MSC-B
  7.2 Basic handover procedure not requiring a
      circuit connection between MSC-A and MSC-B
  7.3 Procedure for subsequent handover requiring
      a circuit connection between MSC-A and MSC-B
  7.4 Procedure for subsequent handover not
      requiring a circuit connection between MSC-A
      and MSC-B
8 Detailed procedures in MSC-A
  8.1 BSS/MSC and MS/MSC procedures in MSC-A
      (functional unit 1)
  8.2 Call control procedures MSC-A (functional
      unit 2)
  8.3 Handover control procedures MSC-A (functional
      unit 3)
  8.4 MAP procedures in MSC-A (functional unit 4)
  8.5 Interworking between Handover control
      and MAP procedures in MSC-A
  8.6 Compatibility with GSM Phase 1
9 Detailed procedures in MSC-B
  9.1 BSS/MSC (MS/BSS) procedures MSC-B (functional
      unit 1)
  9.2 Call control procedures MSC-B (functional unit
      2)
  9.3 Handover control procedures MSC-B (functional
      unit 3)
  9.4 MAP procedures MSC-B (functional unit 4)
  9.5 Interworking between Handover control
      procedures and MAP procedures in MSC-B
  9.6 Compatibility with GSM Phase 1
10 Subsequent channel assignment using a circuit
   connection between MSC-A and MSC-B
11 Directed retry handover
12 SDL diagrams
History

Abstract

Specifies a detailed description of the handover procedures to be used in GSM PLMNs.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 3
Supersedes	PRETS 300 527 : MAR 96