1 Introduction
2
Scope and field of application
3
References
4
Abbreviations
5
General model of international PDTS
6
Addressing aspects
7
Performance aspects
8
Call progress signals
9
Multicast operation
10 User classes of service,
categories of access
11 Optional user facilities
12 Closed user groups
13 Permanent virtual circuit
14 Duration of service
15 Outages
16 Service calls
17 General provisions between
Administrations
18 General provisions between
Administration and customer