Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
   3.1 Definitions
   3.2 Abbreviations
4 Physical layer requirements
   4.1 General requirements
   4.2 Service dependent requirements
5 Datalink layer - data reception
   5.1 Channel seizure
   5.2 Mark signal
   5.3 Message type
   5.4 Message length
   5.5 Checksum
6 Presentation layer - message interpretation
   6.1 Call set-up message
   6.2 Message waiting indicator message
   6.3 Advice of charge message
7 Safety
8 ElectroMagnetic Compatibility (EMC)
Annex A (normative): DTMF based subscriber line
        protocol
Annex B (normative): Test configuration
Annex C (normative): Test requirements
Annex D (informative): Parameter coding
Annex E (informative): Data format
Annex F (informative): IRA (ITU-T Recommendation
        T.50 [3]) Character Coding; Basic Code
History

Abstract

Explanation of the access requirements for terminal equipment in order to receive data provided by a caller display service based on protocols covered in DE/SPS-03034. These requirements are intended to ensure correct reception of data by a terminal when connected to the PSTN caller display service as specified in DE/SPS-03034

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	ATA
Supersedes	PRETS 300 778-1 : JUN 97