1 Introduction
2
Content of announcements
3
Timing of announcements
4
Speech quality
5
Tones after announcements
6
Concatenated-word announcements
6.1 Fluency problems
6.2 Intonation problems
6.3 Presentation of numerical information
6.4 Update problems
7
Tones and announcements for use in telephone services
8
Preferred listening levels for announcements