1 Introduction
2
Scope
3
Related Recommendations
4
General principles of interconnection
5
Network interconnection scenarios
6
Echo control
6.1 General
6.2 Location of
echo control devices
6.3 Network control
6.4 Implementation considerations
7
Roaming
8
Handover
9
History
Annex A – Alphabetical list of abbreviations used in this Recommendation